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View Poll Results: Should the US build or improve it's HSR network?
Yes 249 89.57%
No 29 10.43%
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Old September 11th, 2012, 02:29 PM   #3541
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Quote:
Originally Posted by Nexis View Post
An Westbound 135mph Acela Express Roaring through Trenton & Rush Hour Photos

That's more around 115, 202 metres in 3.9 seconds.

Is that on one of the fastest stretches?
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Old September 12th, 2012, 06:39 AM   #3542
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I think it does 120 MPH somewhere a bit north of DC.
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Old September 12th, 2012, 11:50 AM   #3543
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Quote:
Originally Posted by Sopomon View Post
That's more around 115, 202 metres in 3.9 seconds.

Is that on one of the fastest stretches?
Maybe 120.....its in the 135mph zone , they were doing upgrades in the area...so speed often gets lowered...its being upgraded to 160mph , then once the Gateway and Elizabeth upgrades are done by 2025 , 190mph from New York to North Philly....



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Old September 12th, 2012, 06:53 PM   #3544
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Can't wait for them to get 190mph from Boston to Washington. What is it that the need to do to get 190mph from New York to North Philadelphia? Smooth out turns, upgrade overhead wires, replace track?
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Old September 12th, 2012, 07:02 PM   #3545
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I was reading about the differences between the Japanese and German Maglev technologies, and Japan's innovations are kind of interesting...
They use a train that has wheels, but once it reaches a specific speed, it switches to the semiconductors and magnets. I think this could bode well for the development of Maglev corridors in small areas, where such a train set could simply "switch" modes depending on the track.

Though, wouldn't this still be really expensive (having trains with both overhead systems for catenaries, and the magnetic components).
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Old September 12th, 2012, 08:31 PM   #3546
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Can't wait for them to get 190mph from Boston to Washington. What is it that the need to do to get 190mph from New York to North Philadelphia? Smooth out turns, upgrade overhead wires, replace track?
That's exactly whats needed. Its easier said than done though.
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Old September 13th, 2012, 01:50 AM   #3547
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That's exactly whats needed. Its easier said than done though.
they better bring it down through Richmond and Norfolk, as planned
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Old September 13th, 2012, 02:21 AM   #3548
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I highly doubt 190MPH service will ever near Boston let alone Long Island Sound ... on the ground...
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Old September 13th, 2012, 03:26 AM   #3549
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We all knows that High Speed Rail projects (250 km/hour and more) in the USA are DEAD.
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Old September 13th, 2012, 04:06 AM   #3550
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We all knows that High Speed Rail projects (250 km/hour and more) in the USA are DEAD.
how come there are plans to build one from san fran to la are all ready
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Old September 13th, 2012, 04:52 AM   #3551
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We all knows that High Speed Rail projects (250 km/hour and more) in the USA are DEAD.
There not , as I pointed out there are alot of upgrades underway as we speak...in Northeast.
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Old September 13th, 2012, 04:53 AM   #3552
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they better bring it down through Richmond and Norfolk, as planned
Richmond isn't getting faster service but 125mph service which is fine.
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Old September 13th, 2012, 09:46 AM   #3553
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Quote:
Originally Posted by phoenixboi08 View Post
I was reading about the differences between the Japanese and German Maglev technologies, and Japan's innovations are kind of interesting...
They use a train that has wheels, but once it reaches a specific speed, it switches to the semiconductors and magnets. I think this could bode well for the development of Maglev corridors in small areas, where such a train set could simply "switch" modes depending on the track.

Though, wouldn't this still be really expensive (having trains with both overhead systems for catenaries, and the magnetic components).
I don't think maglev - conventional setups are viable for the Northeast or the USA because the trains are so heavy. I would also like to point out that the JR maglev uses EMU bogies (each car is powered) rather than having a powerhead at each end; overall this makes the train lighter.

And obviously, with more weight, operating costs are just going to be higher.
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Old September 13th, 2012, 02:26 PM   #3554
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Quote:
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We all knows that High Speed Rail projects (250 km/hour and more) in the USA are DEAD.
Wrong.
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Old September 13th, 2012, 03:55 PM   #3555
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Quote:
Originally Posted by Silver Swordsman View Post
I don't think maglev - conventional setups are viable for the Northeast or the USA because the trains are so heavy. I would also like to point out that the JR maglev uses EMU bogies (each car is powered) rather than having a powerhead at each end; overall this makes the train lighter.

And obviously, with more weight, operating costs are just going to be higher.
Gotcha. I was just wondering if that's their modus operandi: the biggest problem is that maglev connections make sense in some areas but a large line is 1) too expensive and 2) is incompatible with existing rail infrastructure. Seems such an approach would provide a really good solution.

In other words, a maglev line between two cities, such as the proposed Baltimore-BWI-D.C. one, could operate in conjunction with the rest of the conventional rail infrastructure. To be honest however, I think maglev won't make sense unless it gets significantly faster. I remember reading that one of the proposed inter-city maglev lines in China, between Shanghai and Hangzhou, would have only been 15 minutes faster than a conventional HSR line.

But thanks for highlighting that about the JR. I was under the impression that was something all [high speed] trains had adopted.
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Old September 13th, 2012, 05:13 PM   #3556
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Quote:
Originally Posted by phoenixboi08 View Post
I remember reading that one of the proposed inter-city maglev lines in China, between Shanghai and Hangzhou, would have only been 15 minutes faster than a conventional HSR line.
The proposed SH-HZ maglev was planned to run at 450 km/h or 27 minutes single trip time.

The SH-HZ CRH train, once all completed (that's when Hangzhou East Station opens), at 350 km/h, single trip time was planned to be 38 minutes.

Difference = 11 minutes

But for longer route, like Beijing to Shanghai, the difference can be up to 2 hours (2.5 hrs v.s. 4.5 hrs).
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Old September 13th, 2012, 06:00 PM   #3557
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Quote:
Originally Posted by phoenixboi08
I think maglev won't make sense unless it gets significantly faster.
I myself suspect it will become faster, which is one of the reasons why I think it be the choice mode of HSR. The other reason is that elevating HSR might be more logical at skirting wildlife. By the time the USA commits to HSR, I suspect maglev will have become viable
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Old September 13th, 2012, 08:45 PM   #3558
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Quote:
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I myself suspect it will become faster, which is one of the reasons why I think it be the choice mode of HSR. The other reason is that elevating HSR might be more logical at skirting wildlife. By the time the USA commits to HSR, I suspect maglev will have become viable
Well, from the documentary "Hunger Games" a future US maglev train will only go at 200mph.
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Old September 13th, 2012, 09:59 PM   #3559
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Quote:
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Well, from the documentary "Hunger Games" a future US maglev train will only go at 200mph.
Well Hunger Games are unrealistic piece of .... The society as described in it will never need HS land transportation - car+plain would be the only viable transportation options. HSR require multiple moderately distant big and flourishing cities, like North-East agglomeration, SF+LA, etc.
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Old September 13th, 2012, 10:00 PM   #3560
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The wikipedia article on maglevs indicates that the wheels on the JR maglev are only there for low-speed running, as the magnetic fields from the train and track require a speed difference to cause levitation, or something along those lines. This seems to say to me that we won't be having the L0 going from the Chuo Shinkansen to the Sanyo Shinkansen in one fell swoop.

But that's all Japanese HSR stuff; this thread is about 'Murican HSR, which travels at an amazing 110mph right now!!
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