UTA_flyinghigh
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Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 8:17 pm

Check this thingy out  Wow!

http://www.transatlantys.com/

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OYRJA
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 8:22 pm

Yeah that is nice. Can we have it in English as well please?  Wink
 
Klaus
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 8:29 pm

Purely a topic of science fiction. No chance in hell getting it designed, built or financed.
 
JGPH1A
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 8:46 pm

Hahahah - yeah right ! I suspect this is a poisson d'avril - there is no possible way on Earth.
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NumberTwelve
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 8:48 pm

No chance, I guess/hope.
Maybe it's possible technically but there are lots of safety regulations and issues , f.e. how to put out the people if something happens in the tunnel (water, fire, etc).
Safetyregulations in lots of countries want to see evacuation plans.
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DAL767400ER
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 9:19 pm

Seen a documentary about that idea on Discovery once. Don't remember any exact numbers, but such a tunnel could cost several trillion dollars, essentially flowing in the sea and haing a train that would go Mach 7. And don't even ask for the billions of cubic meters of concrete needed. It's not gonna happen. It's a technical nightmare to construct and financially unacceptable. Hell, a bridge from Scotland via Iceland and Greenland to Canada would likely be more realistic.
 
sacflyer
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 9:21 pm

Yeah, like an airplane cabin isn't claustrophic enough?

This seems like a wild idea that would come during the 1800's when trains became faster than oceanliners and no one could have imagined the ability to hop over the ocean at 600 mph.
I'm just happy that RR ratings can't be in negative numbers!
 
aloges
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 9:24 pm

two words:

plate tectonics
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MD11Engineer
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 9:26 pm

It would be crossing an underwater mountain range which is about twice as high as the Alps and is at the same time one of the most geologically active zones on the earth. I don´t see it happen.

Jan
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707CMF
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 9:50 pm

I wondered the same thing, I saw the add on MSN as you might have done.

The website looks very profesionnal, it appears the project is already well advanced (if you read the website), already training the "pilots".

However, I also tried to google 'transatlantys' look at the results : http://www.google.fr/search?hl=fr&q=...lantys&btnG=Recherche+Google&meta=

For a 'project' this big, having strictly no web legacy gives it really little credibility, don't you think ?

Methinks it is an advertisement for SNCF (French Railway company - they own the Domain transatlantys.fr ), although I do not know for what yet.

Cheers,

707
 
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solnabo
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 10:02 pm

I rather fly Boeing instead of a train under the Atlantic for 8 hours!

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willo
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Tue May 24, 2005 10:34 pm

It's been done before, sadly the long journey times meant it fell into disuse



 Smile
 
lehpron
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Wed May 25, 2005 6:37 pm

It would could take 40+ years to construct and several TRILLION (xx,000,000,000,000) in today's costs, forget inflation, forget going to Mars, etc.

For circa 2005, I'm gonna say hype. Technically anything can be built with enough investment and belief in the project, but in this case they'd have to be crazy. Unless those investors are able to conivince any government affected by such a route to help fund such a project, it is not going to go beyond a simulation. I guaranetee and airline or aircraft company will lobby against such a project is they had enough influence within their respective governments.

That said, noting the size of the Atlantic, IMO, 600mph is not enough. We might as well spare no expense and have it be supersonic or better in a partial vaccum tube. Now that is crazy, why? Imagine how long it would take to evacuate even 90% of the air from a tube 30 feet wide and 15 million feet long...unless it were in sections with multiple pumps, while the tunnel is being built.

Operation would be like moving through a canal, except the route is one giant channel lock. After the train is boarded, it moves into a sealed chamber that depressurizes and a door opens in front and the sucker takeoff. As it approaches the other end it slows into another chamber that resets the pressure such that the train enters ambient pressure to begin unloading.

The micro pressure of the tunnel may allow a maglev to be powered by a two rocket motors with one at each engine, dual purpose and no fuel spent in between, or at least minimal. I think most of the time spent will be in the pressure differential chambers. To be efficient, all electrical power should come from geothermal stations below each tunnel break connected to the seafloor. Yeah, I'm having fun with this thread, been bored all summer break so far.  rotfl 

I'm guessing total time for a round trip being on the order of 4-5 hours for a train of length 1 kilometer with 2500 people aboard. Engines may require two space-shuttle-type-rockets to burn for 10 minutes to accelerate to a groundspeed eqivalent of M3. If the reverse engines do not fire I think for emergency the train will land on tracks and use its own knetic energy to power electro magnetic brakes for an emergency stop. Will it be enough? I donno, I haven't done the math yet, ya'll read pure brain barf.

Hold on, lemme do it up'n I'll get back to ya.  Smile
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whitehatter
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Wed May 25, 2005 8:59 pm

The technology isn't too advanced, but the cost kills it. I'd much rather see Governments stop looking downwards and start funding stuff like the proposed Space Elevator.

One day we need to be able to get off this rock. Getting off it is more important than moving about on it.
Lead me not into temptation, I can find my own way there...
 
planespotterx
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Wed May 25, 2005 9:12 pm

Instead of building a tunnel as "one", why not have it in sections, ie from Portugal to Azores, Azores to Bermuda then to the US.
Also was the Gibraltar straights bridge also deemed as economically impossible?
Its not the fall that kills u, its the sudden stop at the end..
 
Birdwatching
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Wed May 25, 2005 10:18 pm

Well, if you read that web site, it says that the construction will start in june 2005! Which means, like, next week!
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Airboeing
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Wed May 25, 2005 10:22 pm

What a big joke !!

-> The "pilot" says that to be able to "drive" such a train one need an 8-years training....Absurd !
-> The interview of "Sophie" : she says that she'll realise her dream : teaching english to the passengers during the trip... Absurd !
-> "François" talks about the 1st Class passengers who will have a massage-room, casino, pool, golf practice... doesn't that remind you something ? Big grin

Anymway,

Quoting Klaus (Reply 2):
Purely a topic of science fiction

this is the kind of statments people made a few centuries ago talking about flying....
Some times my English is purely fonatiks...
 
Rj111
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Wed May 25, 2005 10:36 pm

It would be more feasible to go via the UK, Faroe Islands, Iceland - where you can hop over the mid Atlantic ridge without trouble, across Greenland, then to Canada and down.

The longest tunnel would only be 200 miles long and 1,000 meters deep. Which is still a ridiculous idea.

The only scientifically (not financially) feasible way to connect Paris with New York is by going across Europe, through Russia, under the Bering Strait and down to New York.

And that would take about a 4 days to complete, so you might as well get a boat.

[Edited 2005-05-25 15:37:28]
 
Airboeing
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Wed May 25, 2005 10:52 pm

Sorry this article is in french only, but it prooves that this thing is a pure marketing coup for the SNCF :

http://www.hoaxbuster.com/hoaxliste/hoax.php?idArticle=37278

And, here is the same tunnel going from London to NY (again, in french, sorry) :

http://www.discoverychannel.fr/engineering/
Some times my English is purely fonatiks...
 
Klaus
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Thu May 26, 2005 8:40 am

Quoting Airboeing (Reply 16):
this is the kind of statments people made a few centuries ago talking about flying....

Sure. And science fiction is exactly what it was at that time! Big grin
 
LH423
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Fri May 27, 2005 3:40 am

Well considering North America and Europe are getting centimetres farther away from each other each year, unless they plan on continously adding to the tunnel there's no way this could work.

LH423
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mauriceb
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Fri May 27, 2005 3:43 am

there are various projects on this at the moment....

but who say's it science fiction? woudn't you say that as well as over the A380 50 years ago?
 
Logan22L
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Fri May 27, 2005 3:50 am

And you thought the Big Dig went over budget. crazy 

Logan
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Greyhound
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Fri May 27, 2005 4:54 am

Quoting Klaus (Reply 2):
No chance in hell getting it designed, built or financed.

With emphasis on the financing part, I agree. Can you imagine how much a ticket on this beast would be?

Quoting Logan22L (Reply 22):
And you thought the Big Dig went over budget.

That might be why they're routing it to New York, and not Boston.  rotfl  I keed, I keed.
29th, Let's Go!
 
Klaus
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Fri May 27, 2005 4:59 am

"science fiction" simply means it´s a fictional exploration of what might be. And yes, 50 years ago the A380 would have been science fiction.
 
flyAUA
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RE: Paris To NY By Train/tunnel - Real Or Hype?

Sun May 29, 2005 9:14 pm

I saw a documentary about this on discovery about 2 years ago. The idea was a suspended tunnel held down by cables... as some have mentioned. It's just a myth and probably always will be. Too many complications involved like tunnel withstanding the pressure, speed of the train, ships destroying the tunnel... etc...

But very nicely done april fools website indeed Big grin
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