Musk Hyperloop New York-DC?
Posted 09 November 2017 - 10:41 AM
I used to be with ‘it,’ but then they changed what ‘it’ was. Now what I’m with isn’t ‘it,’ and what’s ‘it’ seems weird and scary.
Posted 11 November 2017 - 12:43 PM
That certainly seems like a scientifically researched article free of bias and bile. It also ignores that Amtraks capacity is what, maximum 1500 or so an hour on the corridor each way? So a 3300 capacity would allow for more than doubled ridership, and one minute headways would handle current ridership.
The vehicles need to be short to handle relatively tight curve radii, naturally. As for braking, the braking limit is not the machine, its the human body- reverse the polarity of the magnet and your car will stop cold. The occupants will be straberry jam, but the pod will be stopped.
Thirty seconds for stopping would be more than enough to stop the pod without injury to the passengers. I once stopped a friends Rhentech E7.2 (a W210 with a 7.2 liter V12) from 165 to zero in... I think it was a touch over 10 seconds. While it is an excellent demonstration of both the power of enormous twin caliper Brembo brakes and why one should never go that fast on the open road, it didnt even hurt. And that was a three point inertia reel, not a four point harness.
These objections, while sounding impressive, are just bloviation.
Yes, but presuming a certain specific bottleneck were resolved (the Hudson tunnels) Amtrak's capacity becomes a lot higher. Even on the current setup Amtrak were using all four of its slots at the Hudson and running 12-car trains for the Regionals and 400-seaters for the Acelas they could push capacity to about 2300 without that.
If you open it up to 10x hourly trains (I know a some bullet trains run 10-12/hour) then your capacity falls between 4000-4800/hour (for 400-seat trains) and 13-16k pax (for an N700 Series Shinkansen).
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Posted 11 November 2017 - 01:37 PM
Most important: Keep it Simple, Stupid!
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