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solipsist comments on [LINK] Hyperloop officially announced — predictions, anyone? - Less Wrong
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It would be helpful if this article included a description or definition of Hyperloop.
Big tube in the air rests on pylons / support towers. Maybe goes along a highway. Vehicle inside the tube has batteries for running a compressor. It pumps air away from its front to reduce air resistance, pumps below for suspension and behind. High subsonic speed (~700 mi/hr, 1100 km/hr). Accelerated by occasional linear induction motors on the tube, like a maglev train. Vehicle estimated to cost millions, tube estimated to cost billions. Conventional rails cost tens of billions. That's all from the abstract, much more inside.
No.
Ha, thanks. Fixed.
NOT at all!
Seriously?
o.O
a lot of that cost is in getting property rights for a large amount of land on and around the railroad.
The description starts at "Section 4.2. Tube" on page 24.