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| The Hyperloop: BUSTED |
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| technix:
--- Quote from: apis on June 09, 2019, 02:46:07 pm ---Swedish politicians consider high speed rail every now and then but every local politician of every little municipality, no matter how tiny the population, demand that the train stop in their village or else they will not let the tracks cross their land. And if it's gonna make a stop every few km it's not going to be high speed. In the Schengen area it might make sense with maglev tracks between the largest cities. :-\ --- End quote --- Here in China we have a similar situation. CR handles this by designing the stations to be passable at speed, so most of the faster trains just speed by the minor stations without even slowing down. It is a little bit scary to see a train pass by me at 350kph when standing on the platform... |
| soldar:
A couple years ago we took a train from Xi'an to Linfen on our way to visit the Hukou waterfalls. The distance from Xi'an to Linfen is about 350 Km so not really huge. We were told that there were not any "bullet trains" but there were "high speed" trains which were slower. The train was doing about 240 Km/hr which is pretty good. Immaculately clean and everything well organized and running smoothly, like a well oiled machine. There is a yellow line on the platform and passengers are to stand behind it and well away from the edge. If you even dare put your toe over the line a pretty attendant will immediately correct you. Not surprising if trains may pass at speed without stopping. China is a country where cleanliness is not a priority but I have not seen trains, stations, airports, etc. as clean and tidy in any other country. I have seen projects of high speed trains which could load and unload passengers without stopping. I suppose it could be as simple as releasing the last carriage and speeding up a separate carriage and catching up with the train. A high speed train that has to make six ten minute stops adds over an hour to the schedule. |
| cyrusdreams:
I only found out yesterday that Elon didn't need to dig to the original old patent of this impractical idea. Of all countries, in 1992, Switzerland proposed the "Swissmetro" system which has the exact same features as the the Hyperloop: vacuum tubes, maglev, highspeed, promise of energy efficiency. Look up the Wikipedia article, there is even an official feasibility-study conducted (sorry, German only). Funny enough, all involved research parties were quite favorable, with the small footnote somewhere that the vacuum technology needs further investigation regarding power consumption and sealing of the system :palm: It was stupid a hundred years ago, it is stupid today, and it will still be stupid in a hundred years! |
| EEVblog:
--- Quote from: cyrusdreams on August 22, 2019, 08:47:25 am ---It was stupid a hundred years ago, it is stupid today, and it will still be stupid in a hundred years! --- End quote --- Don't stop more investment money... |
| EEVblog:
--- Quote from: soldar on June 18, 2019, 10:09:14 am ---A couple years ago we took a train from Xi'an to Linfen on our way to visit the Hukou waterfalls. The distance from Xi'an to Linfen is about 350 Km so not really huge. We were told that there were not any "bullet trains" but there were "high speed" trains which were slower. The train was doing about 240 Km/hr which is pretty good. --- End quote --- I've been on the Shanghai Maglev at 430kmh andi t's pretty awesome. Shame it doesn't go anywhere really useful. |
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