General > General Technical Chat
The Hyperloop: BUSTED
EEVblog:
--- Quote from: Mark_Of_Sanity on August 11, 2016, 05:58:46 am ---So a team of hyperloop engineers had a reddit session and I thought I'd share the link here.
https://www.reddit.com/r/IAmA/comments/4wck43/hi_were_mostly_engineers_here_at_hyperloop_one/
Also, one of them briefly addressed Thunderfoot, which I will quote here.
--- Quote ---Thunderf00t could have easily looked up our people on LinkedIn, checked their google scholar bona fides, whatever, but seemed more keen on a cheap take down than actually engaging with interesting and ongoing engineering challenges.
--- End quote ---
--- End quote ---
uBeam have (had) the best acoustics experts on the planet, that doesn't make the idea the least bit practical.
--- Quote --- -One symptom of the level of technical effort that went into TF's video is his careless assumption that 1g = 1m/s/s, as though Hyperloop was being built on some tiny moon of Jupiter. As a fellow academic, I was disappointed by TF's lack of intellectual humility in an area in which he is obviously not an expert. One would wonder why TF would put such hastily produced, easily debunked rubbish on his Patreon feed - people actually pay for that!
-Casey"
--- End quote ---
The inability of Casey to actually debunk his argument is duly noted. It was simply hand waving and throwing a few terms around.
StuUK:
http://rationalwiki.org/wiki/Backfire_effect
boffin:
--- Quote from: stj on August 04, 2016, 06:59:29 pm ---i dont know why your all talking about surface-rail.
underground rail is more expensive to build - initially.
*BUT*
surface rail requires years of negiotiations over land leasing / purchase etc.
and you have issues with objects in the way of the route that cant be purchased and leveled,
not to mention the terrain will need to be leveled in places and built-up in others.
it's also more vulnerable to nature, accidents, and sabotage.
--- End quote ---
If you drive from LA to San Francisco you'll realize how easy it is to build surface rail on the bakerfields to gilroy section. It's flat, wideopen, and mostly farmland. No point in tunnels. Google for a picture of "Bakersfield" and you'll get the idea.
Will you need tunnels in and out of LA & San Fran? Yes.
mtdoc:
--- Quote from: Mark_Of_Sanity on August 11, 2016, 05:58:46 am ---UPDATE
So a team of hyperloop engineers had a reddit session and I thought I'd share the link here.
https://www.reddit.com/r/IAmA/comments/4wck43/hi_were_mostly_engineers_here_at_hyperloop_one/
--- End quote ---
Thanks for the link Mark_Of_Sanity. It's an interesting read. Kudos to Hyperloop One for doing that.
--- Quote from: StuUK on August 11, 2016, 07:37:36 am ---http://rationalwiki.org/wiki/Backfire_effect
--- End quote ---
Yep.
Mark_Of_Sanity:
Another update to the discussion.
Note, I personaly don't care for the petty tones of people on either side.
Why not just have an investigative mind and just be willing to find the facts of the matter.
Discussion can only broaden our understanding of the subject.
Both TF, some Hyperloop engineers and this dude needlessly try and make this personal. smh
P.S.
Summary of the video is that in the case of leak, the system is designed to go through a rapid represurization of the tube
in a controlled fashion, and for all the cars to come to a stop. He also states that the shockwave doesn't exist although
I don't quite understand that point entirely. But the controlled repressurization makes sense if it can be done that is.
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