All language subtitles for Big Bigger Biggest Collection 1 Part 2 Train 1080p

traveling at over 300 kilometres an hour

traveling at over 300 kilometres an hour

traveling at over 300 kilometres an hour
the TGV is the pride of france's

the TGV is the pride of france's

the TGV is the pride of france's
high-speed railway now to create the

high-speed railway now to create the

high-speed railway now to create the
next generation of trains engineers are

next generation of trains engineers are

next generation of trains engineers are
planning a daring experiment they want

planning a daring experiment they want

planning a daring experiment they want
to build the fastest train in the world

to build the fastest train in the world

to build the fastest train in the world
a bullet on wheels that will travel at

a bullet on wheels that will travel at

a bullet on wheels that will travel at
over 500 kilometres an hour

over 500 kilometres an hour

over 500 kilometres an hour
when it comes to big speeds nothing on

when it comes to big speeds nothing on

when it comes to big speeds nothing on
Rails will come close

the TGV owes its success to four key

the TGV owes its success to four key

the TGV owes its success to four key
inventions found in a series of landmark

inventions found in a series of landmark

inventions found in a series of landmark
trains each one carries a major

trains each one carries a major

trains each one carries a major
technical innovation that allowed

technical innovation that allowed

technical innovation that allowed
engineers to push the speed limit

engineers to push the speed limit

engineers to push the speed limit
further and further

one-by-one traveling up the scale will

one-by-one traveling up the scale will

one-by-one traveling up the scale will
reveal the incredible stories behind

reveal the incredible stories behind

reveal the incredible stories behind
these machines and the inventions that

these machines and the inventions that

these machines and the inventions that
allowed them to go ever faster

allowed them to go ever faster

allowed them to go ever faster
for ingenious leaps forward from the

for ingenious leaps forward from the

for ingenious leaps forward from the
first intercity railway to the fastest

first intercity railway to the fastest

first intercity railway to the fastest
train on the planet

[Applause]

[Music]

[Music]

[Music]

[Music]
in France nothing beats the TGV for most

in France nothing beats the TGV for most

in France nothing beats the TGV for most
journeys that are gone detests is the

journeys that are gone detests is the

journeys that are gone detests is the
quickest way to travel

for engineer and train enthusiasts gem

for engineer and train enthusiasts gem

for engineer and train enthusiasts gem
Stansfield this machine is nothing less

Stansfield this machine is nothing less

Stansfield this machine is nothing less
than revolutionary I've gotta say I'm a

than revolutionary I've gotta say I'm a

than revolutionary I've gotta say I'm a
fan of the TGV I I like the look of them

fan of the TGV I I like the look of them

fan of the TGV I I like the look of them
I think the kind of classic streamlining

I think the kind of classic streamlining

I think the kind of classic streamlining
along them you can't help that the

along them you can't help that the

along them you can't help that the
gobsmacked by the power

gobsmacked by the power

gobsmacked by the power
when you realize that through those

when you realize that through those

when you realize that through those
overhead wires they're sucking the power

overhead wires they're sucking the power

overhead wires they're sucking the power
of maybe a small town and you look here

of maybe a small town and you look here

of maybe a small town and you look here
at all the people just sat in comfort

at all the people just sat in comfort

at all the people just sat in comfort
chatting yet traveling at 300 kilometres

chatting yet traveling at 300 kilometres

chatting yet traveling at 300 kilometres
an hour no one bats an eyelid at the ggv

an hour no one bats an eyelid at the ggv

an hour no one bats an eyelid at the ggv
control center in northern France

control center in northern France

control center in northern France
operators guide nearly 500 high-speed

operators guide nearly 500 high-speed

operators guide nearly 500 high-speed
trains across the network France has

trains across the network France has

trains across the network France has
almost two thousand kilometers of

almost two thousand kilometers of

almost two thousand kilometers of
high-speed track the biggest network in

high-speed track the biggest network in

high-speed track the biggest network in
Europe but now the French are going to

Europe but now the French are going to

Europe but now the French are going to
make it even bigger an ambitious

make it even bigger an ambitious

make it even bigger an ambitious
expansion project will triple the size

expansion project will triple the size

expansion project will triple the size
of their network and extend it even

of their network and extend it even

of their network and extend it even
further into seven European countries

they'll build new tracks drill tunnels

they'll build new tracks drill tunnels

they'll build new tracks drill tunnels
through mountains and to slash journey

through mountains and to slash journey

through mountains and to slash journey
times they'll introduce a new faster

times they'll introduce a new faster

times they'll introduce a new faster
model of the TGV called the AG

the AGV will use 30% less energy but

the AGV will use 30% less energy but

the AGV will use 30% less energy but
will carry more passengers at a greater

will carry more passengers at a greater

will carry more passengers at a greater
speed and to test this new technology

speed and to test this new technology

speed and to test this new technology
French engineers are building a unique

French engineers are building a unique

French engineers are building a unique
experimental train that will push their

experimental train that will push their

experimental train that will push their
new components to the limit in three

new components to the limit in three

new components to the limit in three
days time this supercharged version of a

days time this supercharged version of a

days time this supercharged version of a
TGV will attempt to break the world

TGV will attempt to break the world

TGV will attempt to break the world
speed record for trains of five hundred

speed record for trains of five hundred

speed record for trains of five hundred
and fifteen kilometers an hour

to understand how the TGV can travel at

to understand how the TGV can travel at

to understand how the TGV can travel at
such speed we need to go back in time in

such speed we need to go back in time in

such speed we need to go back in time in
early 19th century Britain a group of

early 19th century Britain a group of

early 19th century Britain a group of
businessmen want to build the world's

businessmen want to build the world's

businessmen want to build the world's
first intercity rail line but they

first intercity rail line but they

first intercity rail line but they
haven't quite worked out how to power

haven't quite worked out how to power

haven't quite worked out how to power
its

[Music]

[Music]

[Music]
in the 1820s Northwest England is

in the 1820s Northwest England is

in the 1820s Northwest England is
booming the mills of Manchester are

booming the mills of Manchester are

booming the mills of Manchester are
working flat-out to supply textiles and

working flat-out to supply textiles and

working flat-out to supply textiles and
other goods to the world but

other goods to the world but

other goods to the world but
transporting them from the factories to

transporting them from the factories to

transporting them from the factories to
the Port of Liverpool is a painfully

the Port of Liverpool is a painfully

the Port of Liverpool is a painfully
slow business by canal the 50 kilometer

slow business by canal the 50 kilometer

slow business by canal the 50 kilometer
trip can take up to a month to speed

trip can take up to a month to speed

trip can take up to a month to speed
things up

things up

things up
the businessmen of Manchester and

the businessmen of Manchester and

the businessmen of Manchester and
Liverpool take a gamble on a new

Liverpool take a gamble on a new

Liverpool take a gamble on a new
technology they plan to build a railway

technology they plan to build a railway

technology they plan to build a railway
and power it with steam their first idea

and power it with steam their first idea

and power it with steam their first idea
is to attach a roof to a train of wagons

is to attach a roof to a train of wagons

is to attach a roof to a train of wagons
and hook it up to a steam engine sitting

and hook it up to a steam engine sitting

and hook it up to a steam engine sitting
beside the track

beside the track

beside the track
[Music]

this will pull the train along the rails

this will pull the train along the rails

this will pull the train along the rails
like a cable car there has to be one

like a cable car there has to be one

like a cable car there has to be one
engine almost every kilometer or the

engine almost every kilometer or the

engine almost every kilometer or the
cable in between becomes too heavy to

cable in between becomes too heavy to

cable in between becomes too heavy to
pull

pull

pull
get from Liverpool to Manchester they'll

get from Liverpool to Manchester they'll

get from Liverpool to Manchester they'll
need 54 engines and if just one of them

need 54 engines and if just one of them

need 54 engines and if just one of them
breaks down the whole railway grinds to

breaks down the whole railway grinds to

breaks down the whole railway grinds to
a halt

a halt

a halt
the railways chief engineer George

the railways chief engineer George

the railways chief engineer George
Stephenson believes a better place for

Stephenson believes a better place for

Stephenson believes a better place for
the engine is right at the front of the

the engine is right at the front of the

the engine is right at the front of the
Train in a locomotive railway historian

Train in a locomotive railway historian

Train in a locomotive railway historian
Anthony cools explains he was itching to

Anthony cools explains he was itching to

Anthony cools explains he was itching to
be given the chance to show that steam

be given the chance to show that steam

be given the chance to show that steam
locomotives could pull trains long

locomotives could pull trains long

locomotives could pull trains long
distances with a large amount behind

distances with a large amount behind

distances with a large amount behind
them to prove that locomotives are the

them to prove that locomotives are the

them to prove that locomotives are the
way forward Stephenson and his son

way forward Stephenson and his son

way forward Stephenson and his son
Robert planned to build their own called

Robert planned to build their own called

Robert planned to build their own called
the rocket

to do this they must overcome a major

to do this they must overcome a major

to do this they must overcome a major
challenge early steam engines don't

challenge early steam engines don't

challenge early steam engines don't
produce enough power to pull a train

produce enough power to pull a train

produce enough power to pull a train
laden with heavy goods at any decent

laden with heavy goods at any decent

laden with heavy goods at any decent
speed to solve this problem

speed to solve this problem

speed to solve this problem
Stephenson needs to get more steam out

Stephenson needs to get more steam out

Stephenson needs to get more steam out
of the boiler to show how he does it gem

of the boiler to show how he does it gem

of the boiler to show how he does it gem
Stansfield has gone back to the workshop

Stansfield has gone back to the workshop

Stansfield has gone back to the workshop
obviously to produce steam you need to

obviously to produce steam you need to

obviously to produce steam you need to
heat water but what's the most efficient

heat water but what's the most efficient

heat water but what's the most efficient
way of getting the heat from your fire

way of getting the heat from your fire

way of getting the heat from your fire
to the water in your boiler well here

to the water in your boiler well here

to the water in your boiler well here
I've got two almost identical pans

I've got two almost identical pans

I've got two almost identical pans
except in this one I've welded 14 tubes

except in this one I've welded 14 tubes

except in this one I've welded 14 tubes
into the base of it now and put half a

into the base of it now and put half a

into the base of it now and put half a
pint of water in each turn a gas on fall

pint of water in each turn a gas on fall

pint of water in each turn a gas on fall
for each one

and when they boil the steam is gonna

and when they boil the steam is gonna

and when they boil the steam is gonna
come up through these hulls and turn

come up through these hulls and turn

come up through these hulls and turn
these turbines so whichever turbine we

these turbines so whichever turbine we

these turbines so whichever turbine we
see go first is the pan that's been

see go first is the pan that's been

see go first is the pan that's been
heated most efficiently now already the

heated most efficiently now already the

heated most efficiently now already the
top of this one is misting up quicker

top of this one is misting up quicker

top of this one is misting up quicker
than the top of that one which makes me

than the top of that one which makes me

than the top of that one which makes me
think the water in here is heating up

think the water in here is heating up

think the water in here is heating up
more quickly the steam coming up through

more quickly the steam coming up through

more quickly the steam coming up through
here now there's absolutely no steam

here now there's absolutely no steam

here now there's absolutely no steam
here at all it's actually safe to the

here at all it's actually safe to the

here at all it's actually safe to the
touch how very satisfying this little

touch how very satisfying this little

touch how very satisfying this little
steam engines up and running nicely

steam engines up and running nicely

steam engines up and running nicely
where is that one hasn't gone up the

where is that one hasn't gone up the

where is that one hasn't gone up the
starting line yet and the reason for

starting line yet and the reason for

starting line yet and the reason for
this difference is the efficiency of

this difference is the efficiency of

this difference is the efficiency of
that heat transfer from the fire to the

that heat transfer from the fire to the

that heat transfer from the fire to the
water inside the boiler by running pipes

water inside the boiler by running pipes

water inside the boiler by running pipes
through the pan jem has increased the

through the pan jem has increased the

through the pan jem has increased the
amount of hot metal touching the water

amount of hot metal touching the water

amount of hot metal touching the water
so it boils faster and produces more

so it boils faster and produces more

so it boils faster and produces more
steam so the water's being heated around

steam so the water's being heated around

steam so the water's being heated around
the pipes as well as around the edges

the pipes as well as around the edges

the pipes as well as around the edges
and as you can see it's pretty nifty way

and as you can see it's pretty nifty way

and as you can see it's pretty nifty way
of doing it

of doing it

of doing it
[Music]

[Music]

[Music]
Stephenson uses this idea on the Rockets

Stephenson uses this idea on the Rockets

Stephenson uses this idea on the Rockets
boiler instead of a single pipe this

boiler instead of a single pipe this

boiler instead of a single pipe this
boiler has 25 pipes carrying the hot

boiler has 25 pipes carrying the hot

boiler has 25 pipes carrying the hot
gases from the furnace these vastly

gases from the furnace these vastly

gases from the furnace these vastly
increased that contact area with the

increased that contact area with the

increased that contact area with the
water now the same fire generates much

water now the same fire generates much

water now the same fire generates much
more steam to power the Pistons in the

more steam to power the Pistons in the

more steam to power the Pistons in the
wheels to get even more power out of his

wheels to get even more power out of his

wheels to get even more power out of his
engine

engine

engine
Stephenson recycles the steam instead of

Stephenson recycles the steam instead of

Stephenson recycles the steam instead of
releasing it from the Pistons into the

releasing it from the Pistons into the

releasing it from the Pistons into the
air he feeds it through a pipe back into

air he feeds it through a pipe back into

air he feeds it through a pipe back into
the rocket as the steam blasts up the

the rocket as the steam blasts up the

the rocket as the steam blasts up the
chimney

chimney

chimney
it sucks more air into the fire this

it sucks more air into the fire this

it sucks more air into the fire this
makes it burn hotter and generate even

makes it burn hotter and generate even

makes it burn hotter and generate even
more steam

more steam

more steam
with its blast pipe and multi tubular

with its blast pipe and multi tubular

with its blast pipe and multi tubular
boiler the Rockets is a turbocharged

boiler the Rockets is a turbocharged

boiler the Rockets is a turbocharged
powerhouse

powerhouse

powerhouse
[Music]

in October 1829 at rain Hill near

in October 1829 at rain Hill near

in October 1829 at rain Hill near
Liverpool rocket goes head-to-head with

Liverpool rocket goes head-to-head with

Liverpool rocket goes head-to-head with
four other engines in a bid to prove

four other engines in a bid to prove

four other engines in a bid to prove
that locomotives are better than

that locomotives are better than

that locomotives are better than
stationary steam engines the rain Hill

stationary steam engines the rain Hill

stationary steam engines the rain Hill
trials draw thousands of spectators from

trials draw thousands of spectators from

trials draw thousands of spectators from
all over there was a high sense of

all over there was a high sense of

all over there was a high sense of
anticipation and excitement it was

anticipation and excitement it was

anticipation and excitement it was
almost like race day people put bets on

almost like race day people put bets on

almost like race day people put bets on
which locomotives would be the best one

which locomotives would be the best one

which locomotives would be the best one
than the the form of the runners was

than the the form of the runners was

than the the form of the runners was
studied keenly there were two main

studied keenly there were two main

studied keenly there were two main
runners really there was one called

runners really there was one called

runners really there was one called
novelty built by Braithwaite Ericson of

novelty built by Braithwaite Ericson of

novelty built by Braithwaite Ericson of
London it was the crowd favourite they

London it was the crowd favourite they

London it was the crowd favourite they
put it as the London engine it was light

put it as the London engine it was light

put it as the London engine it was light
it was fast but it didn't really have

it was fast but it didn't really have

it was fast but it didn't really have
the guts to pull the skin off a rice

the guts to pull the skin off a rice

the guts to pull the skin off a rice
pudding

pudding

pudding
when novelty retires with a boiler leak

when novelty retires with a boiler leak

when novelty retires with a boiler leak
it leaves only one contender for the 500

it leaves only one contender for the 500

it leaves only one contender for the 500
pound prize

George Stephenson and Robert came on

George Stephenson and Robert came on

George Stephenson and Robert came on
with rocket absolutely told the field

with rocket absolutely told the field

with rocket absolutely told the field
apart it dashed a lot running at nearly

apart it dashed a lot running at nearly

apart it dashed a lot running at nearly
30 miles now

rocket reaches an astonishing 46

rocket reaches an astonishing 46

rocket reaches an astonishing 46
kilometres an hour the fastest machine

kilometres an hour the fastest machine

kilometres an hour the fastest machine
on the planet and it can pull three

on the planet and it can pull three

on the planet and it can pull three
times its own weight with ease

this is a cattle on steroids the

this is a cattle on steroids the

this is a cattle on steroids the
combination of the multitude of the

combination of the multitude of the

combination of the multitude of the
boiler the last pipe is you can hear

boiler the last pipe is you can hear

boiler the last pipe is you can hear
chopping away those were enough to make

chopping away those were enough to make

chopping away those were enough to make
the locomotive the the absolute winner

the locomotive the the absolute winner

the locomotive the the absolute winner
and play that bounty prize for Georgia

and play that bounty prize for Georgia

and play that bounty prize for Georgia
Robert Stevenson Rockets victory is the

Robert Stevenson Rockets victory is the

Robert Stevenson Rockets victory is the
starting gun for a new age of speed when

starting gun for a new age of speed when

starting gun for a new age of speed when
the railway opens rocket carries goods

the railway opens rocket carries goods

the railway opens rocket carries goods
between Manchester and Liverpool ten

between Manchester and Liverpool ten

between Manchester and Liverpool ten
times faster than a canal barge and a

times faster than a canal barge and a

times faster than a canal barge and a
few months later it powers the first

few months later it powers the first

few months later it powers the first
scheduled passenger railway in the world

every steam locomotive built in the last

every steam locomotive built in the last

every steam locomotive built in the last
180 years throughout the world owes its

180 years throughout the world owes its

180 years throughout the world owes its
origins to the combination of the multi

origins to the combination of the multi

origins to the combination of the multi
tubular boiler and the blast point

tubular boiler and the blast point

tubular boiler and the blast point
really that lays the foundation for the

really that lays the foundation for the

really that lays the foundation for the
steam locomotive as we know it the

steam locomotive as we know it the

steam locomotive as we know it the
genius of the Stevenson's starts a

genius of the Stevenson's starts a

genius of the Stevenson's starts a
transport revolution powered by steam

transport revolution powered by steam

transport revolution powered by steam
[Music]

like Stephenson's rocket the

like Stephenson's rocket the

like Stephenson's rocket the
experimental TGV in France is in a race

experimental TGV in France is in a race

experimental TGV in France is in a race
to become the fastest train on the

to become the fastest train on the

to become the fastest train on the
planet to beat the world record it will

planet to beat the world record it will

planet to beat the world record it will
have to travel at over five hundred and

have to travel at over five hundred and

have to travel at over five hundred and
fifteen kilometers an hour as our rocket

fifteen kilometers an hour as our rocket

fifteen kilometers an hour as our rocket
the engines hold the key to success the

the engines hold the key to success the

the engines hold the key to success the
experimental TGV is the most powerful

experimental TGV is the most powerful

experimental TGV is the most powerful
train ever built

train ever built

train ever built
at the front of it sits a souped-up TGV

at the front of it sits a souped-up TGV

at the front of it sits a souped-up TGV
locomotive behind it

locomotive behind it

locomotive behind it
three double-decker carriages each

three double-decker carriages each

three double-decker carriages each
fitted with advanced motors from the

fitted with advanced motors from the

fitted with advanced motors from the
next generation train ages to give extra

next generation train ages to give extra

next generation train ages to give extra
speed a second TGV locomotive is hooked

speed a second TGV locomotive is hooked

speed a second TGV locomotive is hooked
up to the rear all-in-all this train has

up to the rear all-in-all this train has

up to the rear all-in-all this train has
more engine power than all the cars in a

more engine power than all the cars in a

more engine power than all the cars in a
Formula One Grand Prix put together

feeding electricity to these engines is

feeding electricity to these engines is

feeding electricity to these engines is
a real challenge

Engineers rely on a metal contact

Engineers rely on a metal contact

Engineers rely on a metal contact
extending up from the Train it's called

extending up from the Train it's called

extending up from the Train it's called
a pantograph

a pantograph

a pantograph
it's the unsung hero on the TGV as gem

it's the unsung hero on the TGV as gem

it's the unsung hero on the TGV as gem
Stansfield discovers at the TGV service

Stansfield discovers at the TGV service

Stansfield discovers at the TGV service
center in Paris these are the boughs of

center in Paris these are the boughs of

center in Paris these are the boughs of
the pantograph now they have the

the pantograph now they have the

the pantograph now they have the
absolutely pivotal role of taking the

absolutely pivotal role of taking the

absolutely pivotal role of taking the
electricity from the overhead catenary

electricity from the overhead catenary

electricity from the overhead catenary
line down to the motors that drive the

line down to the motors that drive the

line down to the motors that drive the
train they have an extremely difficult

train they have an extremely difficult

train they have an extremely difficult
job to do because they have to cope with

job to do because they have to cope with

job to do because they have to cope with
both the frictional rubbing of the wire

both the frictional rubbing of the wire

both the frictional rubbing of the wire
on the top of them but also the vast

on the top of them but also the vast

on the top of them but also the vast
amounts of current it's transferring

amounts of current it's transferring

amounts of current it's transferring
mean that there's electrical arcing and

mean that there's electrical arcing and

mean that there's electrical arcing and
Waring's do that from that reason

Waring's do that from that reason

Waring's do that from that reason
graphite is the optimal material to use

graphite is the optimal material to use

graphite is the optimal material to use
it's both low friction with regard to

it's both low friction with regard to

it's both low friction with regard to
rubbing and is very good at transmitting

rubbing and is very good at transmitting

rubbing and is very good at transmitting
electricity graphite is an excellent

electricity graphite is an excellent

electricity graphite is an excellent
conductor but it is also quite soft

conductor but it is also quite soft

conductor but it is also quite soft
which creates a problem with the power

which creates a problem with the power

which creates a problem with the power
lines

a straight powerline would wear a groove

a straight powerline would wear a groove

a straight powerline would wear a groove
into the soft graphite strip so on the

into the soft graphite strip so on the

into the soft graphite strip so on the
TGV the line crosses from one side on

TGV the line crosses from one side on

TGV the line crosses from one side on
the other to wear down the strip even

the other to wear down the strip even

the other to wear down the strip even
but if the graphite gets damaged the

but if the graphite gets damaged the

but if the graphite gets damaged the
wire can snag on the pantograph and rip

wire can snag on the pantograph and rip

wire can snag on the pantograph and rip
it to shreds to stop this from happening

it to shreds to stop this from happening

it to shreds to stop this from happening
the pantograph when the TGV is pushed up

the pantograph when the TGV is pushed up

the pantograph when the TGV is pushed up
to the wire with compressed air if any

to the wire with compressed air if any

to the wire with compressed air if any
part of the pantograph is damaged the

part of the pantograph is damaged the

part of the pantograph is damaged the
air escapes and the contact drops down

air escapes and the contact drops down

air escapes and the contact drops down
before the wire can snag the pantograph

before the wire can snag the pantograph

before the wire can snag the pantograph
on the experimental train has to draw

on the experimental train has to draw

on the experimental train has to draw
twice as much power as a traditional TGV

twice as much power as a traditional TGV

twice as much power as a traditional TGV
through a contact the size of a

through a contact the size of a

through a contact the size of a
fingernail it will race along the

fingernail it will race along the

fingernail it will race along the
overhead wires at over 500 kilometres an

overhead wires at over 500 kilometres an

overhead wires at over 500 kilometres an
hour which creates another problem

now you can see if that train went

now you can see if that train went

now you can see if that train went
through it's it's wobbled the the

through it's it's wobbled the the

through it's it's wobbled the the
overhead catenary power lines and that's

overhead catenary power lines and that's

overhead catenary power lines and that's
because that's where it picks up the

because that's where it picks up the

because that's where it picks up the
electricity the pantograph runs along it

electricity the pantograph runs along it

electricity the pantograph runs along it
and disturbs it those hanging weights

and disturbs it those hanging weights

and disturbs it those hanging weights
their form the vital task of tensioning

their form the vital task of tensioning

their form the vital task of tensioning
the overhead power lines without them

the overhead power lines without them

the overhead power lines without them
those lines would sag too deeply for the

those lines would sag too deeply for the

those lines would sag too deeply for the
pantograph on the top of the train to

pantograph on the top of the train to

pantograph on the top of the train to
accommodate the difference in height on

accommodate the difference in height on

accommodate the difference in height on
a regular line the weights stretched the

a regular line the weights stretched the

a regular line the weights stretched the
overhead wire to attention of two and a

overhead wire to attention of two and a

overhead wire to attention of two and a
half tons now they'd form a vital

half tons now they'd form a vital

half tons now they'd form a vital
day-to-day function here but for a world

day-to-day function here but for a world

day-to-day function here but for a world
record-breaking run you're gonna need

record-breaking run you're gonna need

record-breaking run you're gonna need
more tension than that you need to keep

more tension than that you need to keep

more tension than that you need to keep
the wire very taut indeed to prevent

the wire very taut indeed to prevent

the wire very taut indeed to prevent
wobble four tons of tension is what they

wobble four tons of tension is what they

wobble four tons of tension is what they
would require

would require

would require
[Music]

[Music]

[Music]
the experimental TGV is finally ready

the experimental TGV is finally ready

the experimental TGV is finally ready
[Music]

[Music]

[Music]
in two days time it will attempt to

in two days time it will attempt to

in two days time it will attempt to
break the world speed record back in

break the world speed record back in

break the world speed record back in
1829 rocket proves that steam

1829 rocket proves that steam

1829 rocket proves that steam
locomotives are the future of railroads

locomotives are the future of railroads

locomotives are the future of railroads
but as trains get ever faster they face

but as trains get ever faster they face

but as trains get ever faster they face
an invisible obstacle the air

to help trains out with this enemy

to help trains out with this enemy

to help trains out with this enemy
engineers must reinvent their shape at

engineers must reinvent their shape at

engineers must reinvent their shape at
the start of the 20th century there's

the start of the 20th century there's

the start of the 20th century there's
nearly a million kilometres of railways

nearly a million kilometres of railways

nearly a million kilometres of railways
around the world

but in the 1930s rail travel faces

but in the 1930s rail travel faces

but in the 1930s rail travel faces
serious competition motor cars become

serious competition motor cars become

serious competition motor cars become
more affordable and draw customers away

more affordable and draw customers away

more affordable and draw customers away
from the Train in Britain the London and

from the Train in Britain the London and

from the Train in Britain the London and
North Eastern Railway decides to fight

North Eastern Railway decides to fight

North Eastern Railway decides to fight
back they want to build a new faster

back they want to build a new faster

back they want to build a new faster
train that can whisk passengers from

train that can whisk passengers from

train that can whisk passengers from
London to Edinburgh in less than eight

London to Edinburgh in less than eight

London to Edinburgh in less than eight
hours two hours faster than a car they

hours two hours faster than a car they

hours two hours faster than a car they
hand the job to their top engineer Nigel

hand the job to their top engineer Nigel

hand the job to their top engineer Nigel
Gresley no joke Roger was a real

Gresley no joke Roger was a real

Gresley no joke Roger was a real
character he was a big bear of a man

character he was a big bear of a man

character he was a big bear of a man
he's well over six foot he's really

he's well over six foot he's really

he's well over six foot he's really
called the gentle giant he was a very

called the gentle giant he was a very

called the gentle giant he was a very
much hands-on type of person he'd

much hands-on type of person he'd

much hands-on type of person he'd
started from the very bottom he worked

started from the very bottom he worked

started from the very bottom he worked
his way up through the engine workshops

his way up through the engine workshops

his way up through the engine workshops
so he knew the trade inside out to make

so he knew the trade inside out to make

so he knew the trade inside out to make
his trains faster grizzly could simply

his trains faster grizzly could simply

his trains faster grizzly could simply
use more powerful engines but bigger

use more powerful engines but bigger

use more powerful engines but bigger
engines burn more coal without the price

engines burn more coal without the price

engines burn more coal without the price
of tickets grizzly has to find a better

of tickets grizzly has to find a better

of tickets grizzly has to find a better
way to speed up a train he realizes that

way to speed up a train he realizes that

way to speed up a train he realizes that
wind is the key

wind is the key

wind is the key
what they found was that the wind was

what they found was that the wind was

what they found was that the wind was
hitting the front of the train basically

hitting the front of the train basically

hitting the front of the train basically
and been pushed down the side of the

and been pushed down the side of the

and been pushed down the side of the
train and this was restricting the speed

train and this was restricting the speed

train and this was restricting the speed
of the locomotive and the horse of the

of the locomotive and the horse of the

of the locomotive and the horse of the
train could go very fast probably about

train could go very fast probably about

train could go very fast probably about
50 60 miles and I was that was a top

50 60 miles and I was that was a top

50 60 miles and I was that was a top
speed for these to beat the wind grizzly

speed for these to beat the wind grizzly

speed for these to beat the wind grizzly
Steel's an idea from the competition he

Steel's an idea from the competition he

Steel's an idea from the competition he
went to see his friend

went to see his friend

went to see his friend
Ettore Bugatti he was a racing car

Ettore Bugatti he was a racing car

Ettore Bugatti he was a racing car
designer who was an expert at

designer who was an expert at

designer who was an expert at
streamlining Bugatti designs cars with

streamlining Bugatti designs cars with

streamlining Bugatti designs cars with
wedge-shaped noses that make them slip

wedge-shaped noses that make them slip

wedge-shaped noses that make them slip
through the air and go faster

inspired by Bugattis ideas grizzly draws

inspired by Bugattis ideas grizzly draws

inspired by Bugattis ideas grizzly draws
up plans for a sleek new train the a for

up plans for a sleek new train the a for

up plans for a sleek new train the a for
Pacific it's a steam train with totally

Pacific it's a steam train with totally

Pacific it's a steam train with totally
new clothes

to slip through the air hitting the

to slip through the air hitting the

to slip through the air hitting the
front of the Train grizzly gives his

front of the Train grizzly gives his

front of the Train grizzly gives his
loco a wedge-shaped nose just like

loco a wedge-shaped nose just like

loco a wedge-shaped nose just like
Bugattis cars to prevent the wheels from

Bugattis cars to prevent the wheels from

Bugattis cars to prevent the wheels from
stirring up the airflow he covers their

stirring up the airflow he covers their

stirring up the airflow he covers their
top edges with elegantly streamlined

top edges with elegantly streamlined

top edges with elegantly streamlined
panels and to stop turbulence forming in

panels and to stop turbulence forming in

panels and to stop turbulence forming in
the gaps between the carriages he covers

the gaps between the carriages he covers

the gaps between the carriages he covers
them up with sheets of rubber

now grizzly has a train that's not just

now grizzly has a train that's not just

now grizzly has a train that's not just
powerful but also aerodynamic

the streamlined a for Pacific looks

the streamlined a for Pacific looks

the streamlined a for Pacific looks
unlike any train that's gone before

unlike any train that's gone before

unlike any train that's gone before
[Music]

this is part of Jessie's great idea for

this is part of Jessie's great idea for

this is part of Jessie's great idea for
streamlining it's a wedge-shaped

streamlining it's a wedge-shaped

streamlining it's a wedge-shaped
front end as you see see where it

front end as you see see where it

front end as you see see where it
deflects the wind over the top of the

deflects the wind over the top of the

deflects the wind over the top of the
engine and away from the side of the

engine and away from the side of the

engine and away from the side of the
carriages also we've got this beautiful

carriages also we've got this beautiful

carriages also we've got this beautiful
curvature here which again takes the

curvature here which again takes the

curvature here which again takes the
wind away

wind away

wind away
[Applause]

[Applause]

[Applause]
[Music]

graslie bills 35 a4 Pacific's and rolls

graslie bills 35 a4 Pacific's and rolls

graslie bills 35 a4 Pacific's and rolls
them out between London and Edinburgh

them out between London and Edinburgh

them out between London and Edinburgh
they reach speeds of a hundred and forty

they reach speeds of a hundred and forty

they reach speeds of a hundred and forty
five kilometres an hour

much faster than the cars today

[Music]

[Music]

[Music]
in July 1938 an a for Pacific called

in July 1938 an a for Pacific called

in July 1938 an a for Pacific called
mallard steams out of Grantham in an

mallard steams out of Grantham in an

mallard steams out of Grantham in an
attempt to break the world speed record

our graduating class of London 309

[Music]

five miles an hour

when they check these figures up to it

when they check these figures up to it

when they check these figures up to it
you tucked a one 26.1

thanks to its streamlining the maillard

thanks to its streamlining the maillard

thanks to its streamlining the maillard
reaches 202 kilometers an hour and beats

reaches 202 kilometers an hour and beats

reaches 202 kilometers an hour and beats
the world record

the world record

the world record
[Applause]

[Applause]

[Applause]
[Music]

[Music]

[Music]
four steam trains it's a record it holds

four steam trains it's a record it holds

four steam trains it's a record it holds
to this day

[Music]

[Music]

[Music]
in France experimental TGV attempting

in France experimental TGV attempting

in France experimental TGV attempting
the world record is thoroughly

the world record is thoroughly

the world record is thoroughly
streamlined

streamlined

streamlined
the windscreen is completely flush with

the windscreen is completely flush with

the windscreen is completely flush with
the sloping nose a spoiler diverts air

the sloping nose a spoiler diverts air

the sloping nose a spoiler diverts air
around the wheels and just like on the

around the wheels and just like on the

around the wheels and just like on the
a4 Pacific rubber seals cover the gaps

a4 Pacific rubber seals cover the gaps

a4 Pacific rubber seals cover the gaps
between the carriages it needs to be so

between the carriages it needs to be so

between the carriages it needs to be so
slick for a high-speed attempt because

slick for a high-speed attempt because

slick for a high-speed attempt because
air doesn't seem very heavy but it

air doesn't seem very heavy but it

air doesn't seem very heavy but it
actually weighs over a kilo per cubic

actually weighs over a kilo per cubic

actually weighs over a kilo per cubic
metre and if you look at the size of

metre and if you look at the size of

metre and if you look at the size of
this train and the speed it's going it

this train and the speed it's going it

this train and the speed it's going it
has to shift getting on for a couple of

has to shift getting on for a couple of

has to shift getting on for a couple of
tons of air every single second of its

tons of air every single second of its

tons of air every single second of its
journey

the air in front of high-speed trains

the air in front of high-speed trains

the air in front of high-speed trains
creates an unusual challenge for the

creates an unusual challenge for the

creates an unusual challenge for the
engineers expanding the French network

engineers expanding the French network

engineers expanding the French network
to reach countries like Spain they have

to reach countries like Spain they have

to reach countries like Spain they have
to build tunnels through the

to build tunnels through the

to build tunnels through the
Mountains but tunnels create problems

Mountains but tunnels create problems

Mountains but tunnels create problems
for high speed trains

on a well-designed train most of the air

on a well-designed train most of the air

on a well-designed train most of the air
rushes over the top and the sides but in

rushes over the top and the sides but in

rushes over the top and the sides but in
a tight tunnel the air can't escape and

a tight tunnel the air can't escape and

a tight tunnel the air can't escape and
get squashed it turns into a shop one

get squashed it turns into a shop one

get squashed it turns into a shop one
that shoots ahead of the train at the

that shoots ahead of the train at the

that shoots ahead of the train at the
speed of sound like a bullet from a

speed of sound like a bullet from a

speed of sound like a bullet from a
barrel it exits the tunnel with a sonic

barrel it exits the tunnel with a sonic

barrel it exits the tunnel with a sonic
boom that rattles the neighborhood

this is a rare recording of tunnel boom

it takes over a minute before the train

it takes over a minute before the train

it takes over a minute before the train
itself emerges from the tunnel

itself emerges from the tunnel

itself emerges from the tunnel
[Music]

two dead in the boom engineers install a

two dead in the boom engineers install a

two dead in the boom engineers install a
canopy over the tunnel entrance that has

canopy over the tunnel entrance that has

canopy over the tunnel entrance that has
slots cut into its roof

the holes dispersed the energy of the

the holes dispersed the energy of the

the holes dispersed the energy of the
blast so it leaves the tunnel with a

blast so it leaves the tunnel with a

blast so it leaves the tunnel with a
whimper

[Music]

[Music]

[Music]
here in the pyrenees engineers have

here in the pyrenees engineers have

here in the pyrenees engineers have
already installed the slotted canopies

soon the AGV trains will whisk through

soon the AGV trains will whisk through

soon the AGV trains will whisk through
them at up to 350 kilometres an hour and

them at up to 350 kilometres an hour and

them at up to 350 kilometres an hour and
emerge without a boom

emerge without a boom

emerge without a boom
[Music]

[Music]

[Music]
to break the world record the

to break the world record the

to break the world record the
experimental TGV will have to run much

experimental TGV will have to run much

experimental TGV will have to run much
faster than this engineers aren't taking

faster than this engineers aren't taking

faster than this engineers aren't taking
any chances when the TGV makes its

any chances when the TGV makes its

any chances when the TGV makes its
attempt on the world record tomorrow

attempt on the world record tomorrow

attempt on the world record tomorrow
there won't be a tunnel in sight

back in the 1930s the maillard

back in the 1930s the maillard

back in the 1930s the maillard
streamlined shape nudges train speeds

streamlined shape nudges train speeds

streamlined shape nudges train speeds
past 200 kilometers an hour but when

past 200 kilometers an hour but when

past 200 kilometers an hour but when
Japanese engineers try to push trains

Japanese engineers try to push trains

Japanese engineers try to push trains
even faster they face a fundamental

even faster they face a fundamental

even faster they face a fundamental
problem

problem

problem
at high speeds train wheels behave

at high speeds train wheels behave

at high speeds train wheels behave
erratically and the Japanese have to get

erratically and the Japanese have to get

erratically and the Japanese have to get
them back on track

in the 1950s jet planes revolutionized

in the 1950s jet planes revolutionized

in the 1950s jet planes revolutionized
long-distance travel in Japan they whisk

long-distance travel in Japan they whisk

long-distance travel in Japan they whisk
travelers 400 kilometers from Osaka to

travelers 400 kilometers from Osaka to

travelers 400 kilometers from Osaka to
Tokyo in less than two hours

Tokyo in less than two hours

Tokyo in less than two hours
[Music]

to compete with the Jets Japanese

to compete with the Jets Japanese

to compete with the Jets Japanese
railway engineers designed the

railway engineers designed the

railway engineers designed the
Shinkansen also known as the bullet

Shinkansen also known as the bullet

Shinkansen also known as the bullet
train but their prototypes have a

train but their prototypes have a

train but their prototypes have a
serious problem

serious problem

serious problem
at certain speeds the carriages start

at certain speeds the carriages start

at certain speeds the carriages start
moving from side to side inducing a

moving from side to side inducing a

moving from side to side inducing a
snake-like motion this vibration can

snake-like motion this vibration can

snake-like motion this vibration can
become so violent it derails the train

become so violent it derails the train

become so violent it derails the train
this phenomenon is called hunting and

this phenomenon is called hunting and

this phenomenon is called hunting and
the Japanese have dissolvent

the Japanese have dissolvent

the Japanese have dissolvent
they give the job to Tadashi Matsudaira

they give the job to Tadashi Matsudaira

they give the job to Tadashi Matsudaira
an engineer who solved similar vibration

an engineer who solved similar vibration

an engineer who solved similar vibration
problems in fighter planes Matsudaira

problems in fighter planes Matsudaira

problems in fighter planes Matsudaira
has a hunch that the shape of the train

has a hunch that the shape of the train

has a hunch that the shape of the train
wheels is to blame for the hunting now

wheels is to blame for the hunting now

wheels is to blame for the hunting now
it's alright building yourself a railway

it's alright building yourself a railway

it's alright building yourself a railway
but unless you're confident that the

but unless you're confident that the

but unless you're confident that the
trains are gonna stay on the tracks it's

trains are gonna stay on the tracks it's

trains are gonna stay on the tracks it's
not much use and railway wheel design is

not much use and railway wheel design is

not much use and railway wheel design is
a bit more cunning than you might think

a bit more cunning than you might think

a bit more cunning than you might think
if you imagine if you were to use just a

if you imagine if you were to use just a

if you imagine if you were to use just a
car type wheels flat ready to go put

car type wheels flat ready to go put

car type wheels flat ready to go put
them on the track and they do just what

them on the track and they do just what

them on the track and they do just what
you'd expect they stay on there for a

you'd expect they stay on there for a

you'd expect they stay on there for a
little bit but then they come up so what

little bit but then they come up so what

little bit but then they come up so what
about making wheels with a bit of a cone

about making wheels with a bit of a cone

about making wheels with a bit of a cone
on them rubbish but if you turn the

on them rubbish but if you turn the

on them rubbish but if you turn the
cones round and have them sat like this

cones round and have them sat like this

cones round and have them sat like this
it's spookily good have a look at this

it looks almost magic obviously it's not

it looks almost magic obviously it's not

it looks almost magic obviously it's not
magic just kind of looks like it the

magic just kind of looks like it the

magic just kind of looks like it the
subtle conical shape of the wheels is

subtle conical shape of the wheels is

subtle conical shape of the wheels is
the key to keeping a train on its track

but on scale-model tests Japanese

but on scale-model tests Japanese

but on scale-model tests Japanese
engineers find that at high speeds

engineers find that at high speeds

engineers find that at high speeds
these wheels start swinging from side to

these wheels start swinging from side to

these wheels start swinging from side to
side and slide off the Rams Matsudaira

side and slide off the Rams Matsudaira

side and slide off the Rams Matsudaira
realizes that the key to the problem

realizes that the key to the problem

realizes that the key to the problem
lies in the train suspension with

lies in the train suspension with

lies in the train suspension with
nothing to absorb the sideways motion of

nothing to absorb the sideways motion of

nothing to absorb the sideways motion of
the wheels the problem just gets worse

Masoud iris plan is to attach

Masoud iris plan is to attach

Masoud iris plan is to attach
finely-tuned

finely-tuned

finely-tuned
steel springs to the axles this should

steel springs to the axles this should

steel springs to the axles this should
keep a train on track in theory in March

keep a train on track in theory in March

keep a train on track in theory in March
1963

1963

1963
matsudaira puts his Springs to the test

matsudaira puts his Springs to the test

matsudaira puts his Springs to the test
in a high-speed run with a real

in a high-speed run with a real

in a high-speed run with a real
Shinkansen an army of technicians can

Shinkansen an army of technicians can

Shinkansen an army of technicians can
watch as the Train heads out onto the

watch as the Train heads out onto the

watch as the Train heads out onto the
track

track

track
[Music]

[Music]

[Music]
as the train accelerates the instruments

as the train accelerates the instruments

as the train accelerates the instruments
pick up vibration building up in the

pick up vibration building up in the

pick up vibration building up in the
wheels

wheels

wheels
[Music]

Matsudaira himself as his hand on the

Matsudaira himself as his hand on the

Matsudaira himself as his hand on the
emergency stop button but decides to

emergency stop button but decides to

emergency stop button but decides to
keep going

keep going

keep going
and sure enough the train settles down

and sure enough the train settles down

and sure enough the train settles down
and delivers a flawless run reaching a

and delivers a flawless run reaching a

and delivers a flawless run reaching a
record speed of 256 kilometers an hour

record speed of 256 kilometers an hour

record speed of 256 kilometers an hour
the new suspension is an outstanding

the new suspension is an outstanding

the new suspension is an outstanding
success and keeps the Shinkansen firmly

success and keeps the Shinkansen firmly

success and keeps the Shinkansen firmly
on the track over the next decades Japan

on the track over the next decades Japan

on the track over the next decades Japan
railways rolls out the high-speed

railways rolls out the high-speed

railways rolls out the high-speed
service across the country

safe and nearly always spot on time the

safe and nearly always spot on time the

safe and nearly always spot on time the
trains between Tokyo and Osaka carry

trains between Tokyo and Osaka carry

trains between Tokyo and Osaka carry
eighty thousand passengers a day four

eighty thousand passengers a day four

eighty thousand passengers a day four
times more than the planes

the legacy of the Shinkansen is still

the legacy of the Shinkansen is still

the legacy of the Shinkansen is still
visible on the TGV today at the

visible on the TGV today at the

visible on the TGV today at the
Technical Centre on the outskirts of

Technical Centre on the outskirts of

Technical Centre on the outskirts of
Paris a TGV is about to have its wheels

Paris a TGV is about to have its wheels

Paris a TGV is about to have its wheels
replaced

[Music]

the French have built a jacking system

the French have built a jacking system

the French have built a jacking system
that can lift the whole train up at the

that can lift the whole train up at the

that can lift the whole train up at the
touch of a button

it takes just 10 minutes to raise the

it takes just 10 minutes to raise the

it takes just 10 minutes to raise the
trains two engines and eight carriages

trains two engines and eight carriages

trains two engines and eight carriages
two meters into the air

two meters into the air

two meters into the air
[Music]

now the mechanics can get it the four

now the mechanics can get it the four

now the mechanics can get it the four
wheeled trolleys that support the

wheeled trolleys that support the

wheeled trolleys that support the
carriages called bogies their Springs

carriages called bogies their Springs

carriages called bogies their Springs
still use Matsudaira as design but

still use Matsudaira as design but

still use Matsudaira as design but
there's one big difference in the way

there's one big difference in the way

there's one big difference in the way
the bogies are arranged under the Train

the bogies are arranged under the Train

the bogies are arranged under the Train
conventionally you have a bogie at the

conventionally you have a bogie at the

conventionally you have a bogie at the
front and back of each carriage and they

front and back of each carriage and they

front and back of each carriage and they
get linked together to form a train

get linked together to form a train

get linked together to form a train
they're here

they're here

they're here
each bogie has two carriages on it then

each bogie has two carriages on it then

each bogie has two carriages on it then
the bogie is shared by the front and

the bogie is shared by the front and

the bogie is shared by the front and
back of adjacent carriages and they're

back of adjacent carriages and they're

back of adjacent carriages and they're
linked together

[Music]

[Music]

[Music]
traditional trains have one bogey at the

traditional trains have one bogey at the

traditional trains have one bogey at the
end of each carriage

this is a disadvantage in a crash the

this is a disadvantage in a crash the

this is a disadvantage in a crash the
carriages can jackknife against each

carriages can jackknife against each

carriages can jackknife against each
other and derail the Train but on the

other and derail the Train but on the

other and derail the Train but on the
TGV the bogies sit between the carriages

TGV the bogies sit between the carriages

TGV the bogies sit between the carriages
which makes for a stronger connection

the Train is more rigid so in a crash

the Train is more rigid so in a crash

the Train is more rigid so in a crash
it's more likely to stay straight and on

it's more likely to stay straight and on

it's more likely to stay straight and on
the tracks

the tracks

the tracks
keeping the passengers safe inside the

bogies on the experimental TGV also sit

bogies on the experimental TGV also sit

bogies on the experimental TGV also sit
between the carriages but as well as

between the carriages but as well as

between the carriages but as well as
holding the carriages together the two

holding the carriages together the two

holding the carriages together the two
main bogies are fitted with a secret

main bogies are fitted with a secret

main bogies are fitted with a secret
weapon

weapon

weapon
for 1,300 horsepower motors from the

for 1,300 horsepower motors from the

for 1,300 horsepower motors from the
next generation train the AGV

the engineers hope that these will give

the engineers hope that these will give

the engineers hope that these will give
this TGV the extra power it needs to

this TGV the extra power it needs to

this TGV the extra power it needs to
break the world speed record back in

break the world speed record back in

break the world speed record back in
1963 the Shinkansen proves the trains

1963 the Shinkansen proves the trains

1963 the Shinkansen proves the trains
can be super fast and stable

but as French engineers expand their

but as French engineers expand their

but as French engineers expand their
network to run faster trains they face a

network to run faster trains they face a

network to run faster trains they face a
new problem

they must design a foolproof signalling

they must design a foolproof signalling

they must design a foolproof signalling
system to make sure their trains don't

system to make sure their trains don't

system to make sure their trains don't
crash

crash

crash
[Music]

on a foggy day in December 1933 France

on a foggy day in December 1933 France

on a foggy day in December 1933 France
suffers the worst train disaster in its

suffers the worst train disaster in its

suffers the worst train disaster in its
history an express train plows into the

history an express train plows into the

history an express train plows into the
back of a train stopped near the village

back of a train stopped near the village

back of a train stopped near the village
of Lanie 200 passengers lose their lives

of Lanie 200 passengers lose their lives

of Lanie 200 passengers lose their lives
an investigation reveals that the

an investigation reveals that the

an investigation reveals that the
signalling system is to blame for the

signalling system is to blame for the

signalling system is to blame for the
disaster

disaster

disaster
the French used a simple electrical

the French used a simple electrical

the French used a simple electrical
system when they wanted to alert the

system when they wanted to alert the

system when they wanted to alert the
driver of a train when the signal was

driver of a train when the signal was

driver of a train when the signal was
down and they needed to attract the

down and they needed to attract the

down and they needed to attract the
driver's attention a metal strip down

driver's attention a metal strip down

driver's attention a metal strip down
the center of a section of track was

the center of a section of track was

the center of a section of track was
electrified and on the underside of the

electrified and on the underside of the

electrified and on the underside of the
train would be a metal brush like this

train would be a metal brush like this

train would be a metal brush like this
when the brush makes contact with the

when the brush makes contact with the

when the brush makes contact with the
strip it triggers an alarm in the

strip it triggers an alarm in the

strip it triggers an alarm in the
driver's cab sir see how this one goes

driver's cab sir see how this one goes

driver's cab sir see how this one goes
so there's the train off round the track

so there's the train off round the track

so there's the train off round the track
it's got its pickup underneath waiting

it's got its pickup underneath waiting

it's got its pickup underneath waiting
to collect its pulse of electricity well

to collect its pulse of electricity well

to collect its pulse of electricity well
certainly if I was driving the train

certainly if I was driving the train

certainly if I was driving the train
there's no way I'd have missed that kind

there's no way I'd have missed that kind

there's no way I'd have missed that kind
of signal but as the investigation into

of signal but as the investigation into

of signal but as the investigation into
the Lonny crash reveals the system has a

the Lonny crash reveals the system has a

the Lonny crash reveals the system has a
simple floor it's not weatherproof

simple floor it's not weatherproof

simple floor it's not weatherproof
as the Express steams towards Lenny

as the Express steams towards Lenny

as the Express steams towards Lenny
central control activates a stop signal

central control activates a stop signal

central control activates a stop signal
but thick fog hangs over the tracks to

but thick fog hangs over the tracks to

but thick fog hangs over the tracks to
the driver can't see the signal

he now relies entirely on the safety

he now relies entirely on the safety

he now relies entirely on the safety
switch but moisture in the air has

switch but moisture in the air has

switch but moisture in the air has
frozen over it in a thick layer of ice

frozen over it in a thick layer of ice

frozen over it in a thick layer of ice
as the train passes the brush can't make

as the train passes the brush can't make

as the train passes the brush can't make
contact with the metal and pick up the

contact with the metal and pick up the

contact with the metal and pick up the
warning signal

warning signal

warning signal
the steam whistle inside the cab stays

the steam whistle inside the cab stays

the steam whistle inside the cab stays
silent the last thing the driver sees is

silent the last thing the driver sees is

silent the last thing the driver sees is
the back of the other train the next

the back of the other train the next

the back of the other train the next
generation of TGV trains will travel

generation of TGV trains will travel

generation of TGV trains will travel
three times faster than those that

three times faster than those that

three times faster than those that
crashed at lanny stopping them is a

crashed at lanny stopping them is a

crashed at lanny stopping them is a
phenomenal challenge

if you want to stop a train like the TGV

if you want to stop a train like the TGV

if you want to stop a train like the TGV
you need enormous brakes and lot of them

you need enormous brakes and lot of them

you need enormous brakes and lot of them
which is where these huge brake discs

which is where these huge brake discs

which is where these huge brake discs
come into play there are eight of them

come into play there are eight of them

come into play there are eight of them
per bogie and they turn with the wheels

per bogie and they turn with the wheels

per bogie and they turn with the wheels
and when you went to stop the train

and when you went to stop the train

and when you went to stop the train
you have to clamp onto them these brake

you have to clamp onto them these brake

you have to clamp onto them these brake
pads then the whole energy of the Train

pads then the whole energy of the Train

pads then the whole energy of the Train
has to be absorbed as frictional heat on

has to be absorbed as frictional heat on

has to be absorbed as frictional heat on
these discs now that is an awful lot of

these discs now that is an awful lot of

these discs now that is an awful lot of
heat and these get extremely hot but

heat and these get extremely hot but

heat and these get extremely hot but
even with all these brakes it takes

even with all these brakes it takes

even with all these brakes it takes
three kilometres to bring a TGV to a

three kilometres to bring a TGV to a

three kilometres to bring a TGV to a
halt this puts an enormous amount of

halt this puts an enormous amount of

halt this puts an enormous amount of
pressure on the driver at this TGV

pressure on the driver at this TGV

pressure on the driver at this TGV
training school in northern France

training school in northern France

training school in northern France
drivers are learning how to handle the

drivers are learning how to handle the

drivers are learning how to handle the
new faster AGV trains

in the simulator they'll find out that

in the simulator they'll find out that

in the simulator they'll find out that
the speed of this train is simply too

the speed of this train is simply too

the speed of this train is simply too
much for the human eye

we're heading downhill at the moment and

we're heading downhill at the moment and

we're heading downhill at the moment and
it feels exactly like a real train we're

it feels exactly like a real train we're

it feels exactly like a real train we're
approaching 300 kilometers an hour and

approaching 300 kilometers an hour and

approaching 300 kilometers an hour and
his target speed is 320 now at that

his target speed is 320 now at that

his target speed is 320 now at that
speed we're going at nearly a hundred

speed we're going at nearly a hundred

speed we're going at nearly a hundred
meters a second which means you just

meters a second which means you just

meters a second which means you just
don't have time to see trackside signals

don't have time to see trackside signals

don't have time to see trackside signals
with over 800 passengers on board a new

with over 800 passengers on board a new

with over 800 passengers on board a new
agey V train the signalling has to be a

agey V train the signalling has to be a

agey V train the signalling has to be a
hundred percent reliable even in extreme

hundred percent reliable even in extreme

hundred percent reliable even in extreme
weather engineers of the French

weather engineers of the French

weather engineers of the French
high-speed expansion project are rolling

high-speed expansion project are rolling

high-speed expansion project are rolling
out the latest in signalling technology

out the latest in signalling technology

out the latest in signalling technology
it works without any physical contact

they install transmitters at regular

they install transmitters at regular

they install transmitters at regular
intervals along the track these send

intervals along the track these send

intervals along the track these send
electrical signals through the rails

electrical signals through the rails

electrical signals through the rails
which creates a magnetic field around

which creates a magnetic field around

which creates a magnetic field around
them as the train passes an onboard

them as the train passes an onboard

them as the train passes an onboard
sensor picks up this magnetic field and

sensor picks up this magnetic field and

sensor picks up this magnetic field and
relays the information to the driver in

relays the information to the driver in

relays the information to the driver in
the car

and if this signal ever disappears the

and if this signal ever disappears the

and if this signal ever disappears the
onboard computer automatically slams on

onboard computer automatically slams on

onboard computer automatically slams on
the brakes the drivers at the training

the brakes the drivers at the training

the brakes the drivers at the training
school must learn to completely trust

school must learn to completely trust

school must learn to completely trust
the onboard signalling system if

the onboard signalling system if

the onboard signalling system if
something happened 200 metres up ahead

something happened 200 metres up ahead

something happened 200 metres up ahead
you have literally about two seconds to

you have literally about two seconds to

you have literally about two seconds to
register it and do something about it

register it and do something about it

register it and do something about it
that's simply not enough time which is

that's simply not enough time which is

that's simply not enough time which is
why Christophe here is driving his train

why Christophe here is driving his train

why Christophe here is driving his train
almost just completely from these

almost just completely from these

almost just completely from these
control panels he could shut a blind on

control panels he could shut a blind on

control panels he could shut a blind on
that window

that window

that window
and he would still be as good a driver

and he would still be as good a driver

and he would still be as good a driver
because there's very little he could do

because there's very little he could do

because there's very little he could do
you see that corner of a head you're

you see that corner of a head you're

you see that corner of a head you're
there before you can do anything about

there before you can do anything about

there before you can do anything about
it

as the experimental TGV weights on the

as the experimental TGV weights on the

as the experimental TGV weights on the
starting line closing the blinds is the

starting line closing the blinds is the

starting line closing the blinds is the
last thing on driver eric PA Jack's mind

to break the world speed record

to break the world speed record

to break the world speed record
he needs to power his train to over five

he needs to power his train to over five

he needs to power his train to over five
hundred and fifteen kilometers and how

hundred and fifteen kilometers and how

hundred and fifteen kilometers and how
absurd mopar dois aller very suitable

absurd mopar dois aller very suitable

absurd mopar dois aller very suitable
for a cheese curd two more very familiar

for a cheese curd two more very familiar

for a cheese curd two more very familiar
two more bad luck as Eric cranks up the

two more bad luck as Eric cranks up the

two more bad luck as Eric cranks up the
speed engineers on board monitored 350

speed engineers on board monitored 350

speed engineers on board monitored 350
senses distributed throughout the Train

senses distributed throughout the Train

senses distributed throughout the Train
[Music]

[Music]

[Music]
what

what

what
traveling at airline speed just inches

traveling at airline speed just inches

traveling at airline speed just inches
from the ground the engineers are

from the ground the engineers are

from the ground the engineers are
putting their lives in the hands of the

putting their lives in the hands of the

putting their lives in the hands of the
components they have designed

components they have designed

components they have designed
[Music]

[Applause]

[Applause]

[Applause]
don't say kookaburra much less elicited

don't say kookaburra much less elicited

don't say kookaburra much less elicited
amuse on you is about achievement of its

amuse on you is about achievement of its

amuse on you is about achievement of its
of our David Dalton a seal across the

of our David Dalton a seal across the

of our David Dalton a seal across the
bar on an agony over over MC removal

bar on an agony over over MC removal

bar on an agony over over MC removal
fail

as the train hits 515 kilometers an hour

as the train hits 515 kilometers an hour

as the train hits 515 kilometers an hour
it shatters the old record and keeps

it shatters the old record and keeps

it shatters the old record and keeps
going

going

going
[Music]

95% you bow

sustainable world

[Music]

[Music]

[Music]
finally Eric eases off the power it is a

finally Eric eases off the power it is a

finally Eric eases off the power it is a
software song get off so if you read of

software song get off so if you read of

software song get off so if you read of
it well it's a staggering new world

it well it's a staggering new world

it well it's a staggering new world
record and a triumph for the team

record and a triumph for the team

record and a triumph for the team
the spectacular test has shown that the

the spectacular test has shown that the

the spectacular test has shown that the
new AGV train will keep french railway

new AGV train will keep french railway

new AGV train will keep french railway
engineers ahead of the curve

engineers ahead of the curve

engineers ahead of the curve
today the TGV is already faster and

today the TGV is already faster and

today the TGV is already faster and
safer than the aeroplane on most

safer than the aeroplane on most

safer than the aeroplane on most
journeys as high-speed networks expand

journeys as high-speed networks expand

journeys as high-speed networks expand
across europe even more people will put

across europe even more people will put

across europe even more people will put
their lives in the hands of these

their lives in the hands of these

their lives in the hands of these
amazing machines since the day of

amazing machines since the day of

amazing machines since the day of
Stephenson's rocket trains have gone

Stephenson's rocket trains have gone

Stephenson's rocket trains have gone
from fast to faster

from fast to faster

from fast to faster
- now the world's fastest when it comes

- now the world's fastest when it comes

- now the world's fastest when it comes
to big speeds nothing on Rails beats the

to big speeds nothing on Rails beats the

to big speeds nothing on Rails beats the
Trigon Vitesse until someone builds an

Trigon Vitesse until someone builds an

Trigon Vitesse until someone builds an
even faster one

[Music]

you