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Some Chinese Hi-speed EMUs
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   Some Chinese Hi-speed EMUs
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   Author  Topic: Some Chinese Hi-speed EMUs  (Read 209 times)
Profever
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Some Chinese Hi-speed EMUs
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« on: Mar 23rd, 2007, 2:29pm »
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1. "Xianfeng"(Pioneer) hi-speed EMU.

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« Last Edit: Mar 23rd, 2007, 2:30pm by Profever » Logged
Profever
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Re: Some Chinese Hi-speed EMUs
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« Reply #1 on: Mar 23rd, 2007, 2:31pm »
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max speed of this train is 200km/h.

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Profever
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Re: Some Chinese Hi-speed EMUs
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« Reply #2 on: Mar 23rd, 2007, 2:35pm »
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2. "Da bai sha"(White Shark). it is only one locomotive and six coaches, may not to be calling"EMU".

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Re: Some Chinese Hi-speed EMUs
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« Reply #3 on: Mar 23rd, 2007, 2:37pm »
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max speed:200km/h

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Profever
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Re: Some Chinese Hi-speed EMUs
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« Reply #4 on: Mar 23rd, 2007, 2:39pm »
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3. "Chang bai shan"(Changbai Mountain) EMU.

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Re: Some Chinese Hi-speed EMUs
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« Reply #5 on: Mar 23rd, 2007, 2:41pm »
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some Chinese railfans preferred that this EMU is somehow looks like German ICE-3.

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Profever
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Re: Some Chinese Hi-speed EMUs
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« Reply #6 on: Mar 23rd, 2007, 2:42pm »
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Signature. max speed of this train is 210km/h.

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Profever
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Re: Some Chinese Hi-speed EMUs
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« Reply #7 on: Mar 23rd, 2007, 2:48pm »
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“Zhong hua zhi xing”(Star of China) hi-speed EMU.

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Profever
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Re: Some Chinese Hi-speed EMUs
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« Reply #8 on: Mar 23rd, 2007, 2:51pm »
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this is the fastest train made by Chinese ourself.

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Re: Some Chinese Hi-speed EMUs
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« Reply #9 on: Mar 23rd, 2007, 2:52pm »
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max speed: 330km/h.

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RDG_4-8-4
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Re: Some Chinese Hi-speed EMUs
 
« Reply #10 on: Mar 28th, 2007, 5:08pm »
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Nice.

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George_Harris
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Re: Some Chinese Hi-speed EMUs
 
« Reply #11 on: Mar 28th, 2007, 11:34pm »
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Where are they being run?
 
Are these EMU's or electricl locomotives and coaches?  From the lack of windows on the end cars, looks more like a loco and coach setup.


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RDG_4-8-4
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Re: Some Chinese Hi-speed EMUs
 
« Reply #12 on: Mar 29th, 2007, 10:10pm »
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Boy the world has come a looooooooooong way from the P&W Bullets!!!!!

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Profever
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Re: Some Chinese Hi-speed EMUs
 
« Reply #13 on: Apr 1st, 2007, 8:23pm »
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on Mar 28th, 2007, 11:34pm, George_Harris wrote:       (Click here for original message)
Where are they being run?
 
Are these EMU's or electricl locomotives and coaches?  From the lack of windows on the end cars, looks more like a loco and coach setup.

good question. The "Pioneer"& "Changbai Mountain" are EMUs; the "White Shark" is exactly one electrical locomotive and six coaches; "Star of China" is two locomotives and eight coaches.


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George_Harris
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Re: Some Chinese Hi-speed EMUs
 
« Reply #14 on: Apr 1st, 2007, 11:45pm »
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Thanks for the info.  
 
I am still wondering what lines these are bing used on or are planned to be used on.  Will the 330 km/h set be used on a dedicated high speed line exclusively or partly on the existing network?
 
I find it most interesting that the 330 km/h Star of China is a locomtive and coach set-up.  I ahve a feeling that long term this choice may be regretted.  Recall that as speed increases, adhesion decreases and the power required to maintain that speed increases so that when you get in the vicinity of 300 km/h the power required per axle is difficult to realiably get to the rail without making the weight on driving axles relatively high.  This causes two problems
 
Unreliablity and very low high speed acceleration due to wheel slip and power reduction to avoid wheel slip.  
 
The need to increase power available to the rail makes heavier axle load desirable, but this increases impact forces resulting from any irregularity which can cause track problems.  While not published, I have heard that problems with rail seat wear on the ties and ballast degredation under ties which in North America are normally associated with heavy axle load service have occurred in some of the high speed lines in Europe with passenger loadings only.


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