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The Hyperloop: BUSTED
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mtdoc:

--- Quote from: EEVblog on July 29, 2016, 07:29:00 am ---
--- Quote from: mtdoc on July 29, 2016, 07:11:03 am ---How easy would it have been to do back of the envelope calculations to ascertain the potential problems of proposed NASA missions 60 years ago?

--- End quote ---

The Solar Roadways, uBeam, and Fontus apologists make the exact same comparison, and they are massively and demonstrably wrong. Don't go there, you'll only dig an embarrassing deep hole for yourself.

--- End quote ---

That's a false logic and does not address the point - which is that demonstrating potential problems with an idea is not the same as "busting" it.   As many here have pointed out the "Bust" of solar roadways was because it is easy to show that what they claim is physically impossible - not because there are difficult to overcome engineering challenges (which everyone agrees is the case for the hyperloop).

In any case I know better than to go round and round with the host of the party.  As I've said - I agree that a SF to LA hyperloop is unlikely to be built - I just take issue with TF's claim of "busting" it and with the false comparison to the solar roadways scam.
mtdoc:

--- Quote from: System Error Message on July 29, 2016, 10:51:07 am ---
Actually no, if you consider the profile of the main person,

--- End quote ---

Which "main person"?

A quick look over the the Hyperloop One Team shows top execs with past successful careers and  a total of 67 (!) engineers.  Are you arguing that they all scammers?
rrinker:
 There's a big problem comparing costs with the California High Speed Rail thing - that "high speed rail" project is yet another government boondoggle that will make a lot of people rich with taxpayer money - the costs per mile of that project far exceeds any reasonable amount for constructing a nice solid railroad track. No privately owned railroad would ever spend that much per mile for new track. Add in that this so-called "high speed" stuff is nothing at all like Euro high speed or Japanese high speed - it's more like getting BACK to speeds that steam engines hauled trains at 100 years ago. So to say the Hyperloop is dreaming at their cost by comparing it to the California HSR project is not a fair comparison.
StillTrying:

--- Quote from: mtdoc on July 29, 2016, 05:33:46 pm ---and  a total of 67 (!) engineers.  Are you arguing that they all scammers?

--- End quote ---
They get paid to do interesting experiments, while assuming somebody else is doing the hard stuff.

Let's see their designs for an air-lock big enough for a train to pass through while still on it's rails!
retrolefty:

--- Quote from: rrinker on July 29, 2016, 09:23:25 pm --- There's a big problem comparing costs with the California High Speed Rail thing - that "high speed rail" project is yet another government boondoggle that will make a lot of people rich with taxpayer money - the costs per mile of that project far exceeds any reasonable amount for constructing a nice solid railroad track. No privately owned railroad would ever spend that much per mile for new track. Add in that this so-called "high speed" stuff is nothing at all like Euro high speed or Japanese high speed - it's more like getting BACK to speeds that steam engines hauled trains at 100 years ago. So to say the Hyperloop is dreaming at their cost by comparing it to the California HSR project is not a fair comparison.

--- End quote ---

 And all that doesn't even take in the political issues. Do you really think they could build such a system that only served the two end cities without requiring lots of stops at other cities along the route? This idea is a true turkey and a real fiscal boondoggle.
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