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[–] dottel 0 points 1 point (+1|-0) ago 

Isn't the hyperloop concept fundamentally flawed?

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[–] Fibbideh 0 points 1 point (+1|-0) ago 

How? It's a mag-lev rail in a vacuum tube. It's pretty straight forward, if you ask me.

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[–] dottel 0 points 1 point (+1|-0) ago 

https://www.youtube.com/watch?v=RNFesa01llk

Look I want the hyper loop to be real but a lot of people say it just won't happen due to these little annoying thing called laws of science.

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[–] aristotle07 0 points 2 points (+2|-0) ago 

A vacuum tube without sufficient structural integrity, would crush inward killing everyone inside.

I saw the plans for the prototype which has a 2-3 inch walls. The problem for a real tube would need a wall that was about 10 ft thick.

Metal like steel will be very costly. For the thickness needed, at a price of about $400/tonne, I don't see how they can build it for $10billion.

Assuming we take the known values, 383miles to San Fran and LA (20.2million feet). 10 feet by 1 feet thick steel is about 100 lbs. For the hyperloop circumference of about 30 ft diameter is 94ft circumference. or about 9400lbs of steel per foot of the hyperloop. Or about 189.9 billion lbs of steel. Or 95 million tonnes or about $40 billion for the wall of the hyperloop. That doesn't include the build out infrastructure or the hyperloop train. Thats before all the other problems with laws of thermodynamics.

So someone is lying.