Author: senoritazhao

Can a coin balance on its edge on a speeding bullet train? [Copy link] 中文

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Post time 2018-2-12 19:44:48 |Display all floors
This Chinese-designed high-speed train travels at 350 km/h which sets another world record for operational speed unmatched by any foreign-designed high-speed trains including those manufactured under license in China.

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Post time 2018-2-12 19:53:16 |Display all floors
This post was edited by sfphoto at 2018-2-13 17:16
lionstar Post time: 2018-2-12 01:50
really old story

i was on bullet-trains in Japan, France, Germany many years ago did the coin-test  ...

If you’re talking about the bogie which acts to stabilize the EMU, those had to be redesigned to handle the mechanical vibrations and electric traction motors rated for the operational speed of 350 km/h. Only utility inventions not industrial designs can be patented; besides, whatever utility patents that is applicable to high-speed trains must have expired since their invention in the 60s by the Japanese who were the first to launch the Shinkansen. To claim that high-speed trains is the invention of the “West” is racist nonsense. In fact, I could very well argue just the opposite: it’s the Western train-makers who had to violate Japanese patents by copying Japanese high-speed train technology. The Chinese train-makers didn’t violate any Japanese patents because those technologies were transferred to China as part of the JV agreement to manufacture Japanese-designed high-speed trains for the Chinese market. The fact that Chinese-designed trains had surpassed the Japanese-designed trains means that the Chinese train-makers did a better job in designing for dedicated high-speed rail lines than the Europeans who had to design for lower-speed commuter tracks.

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Post time 2018-2-12 19:59:48 |Display all floors
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Post time 2018-2-12 20:03:41 |Display all floors
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Post time 2018-2-12 20:09:50 |Display all floors
This post was edited by sfphoto at 2018-2-12 20:12
seneca Post time: 2018-2-12 19:59
The world record for railway locomotion was set by a TGV about twenty years ago, Deerie. The Shi ...

China holds the world’s record for the fastest OPERATIONAL speed of 350km/h. And yes, the older European and Japanese designed trains are now being phased out because of their lower speeds in favor of Chinese-designed trains which are rated to operate at the MAXIMUM speed of 400 km/h

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Post time 2018-2-12 20:21:18 |Display all floors
This post was edited by sfphoto at 2018-2-13 17:03
seneca Post time: 2018-2-12 20:03
Irrelevant twaddle. "Redesigned bogies", my arse! The high-speed trains that preceded the Chines ...

You’re not an engineer so you don’t understand the difference between trains rated for 250km/h vs 350km/h. The older trains using foreign designs were too slow for the Chinese market. So the Chinese had to come up with their own designs for faster speeds. The result is the Chinese CRH380A which came out in 2010. China has held the world’s record for the fastest OPERATIONAL speed of 350km/h since then. There is now a Chinese EMU Standard called (“fuxing hao”) rated for 400km/h which will replace all the older foreign designs which are rated for 250km/h.

This article most likely is referencing the newly deployed “fuxing hao” trains based on the new Chinese EMU Standard.

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Post time 2018-2-13 16:40:50 |Display all floors
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