Elon Musk unveils Hyperloop, a futuristic, solar-powered supersonic pod-train

January 30, 2016 – 01:39 am

Will the real Tony Stark please stand up?

As promised, Elon Musk has that goes into quite a lot of detail. It really shows that Musk is not just a business person, but is also the "chief product architect" at both Tesla and SpaceX, immersing himself deeply into the technical side of things. With this, he just got closer to outdoing Tony Stark...

Hyperloop Elon Musk/Public Domain

When the California “high speed” rail was approved, I was quite disappointed, as I know many others were too. How could it be that the home of Silicon Valley and JPL – doing incredible things like indexing all the world’s knowledge and putting rovers on Mars – would build a bullet train that is both one of the most expensive per mile and one of the slowest in the world? Note, I am hedging my statement slightly by saying “one of”. The head of the California high speed rail project called me to complain that it wasn’t the very slowest bullet train nor the very most expensive per mile.

The underlying motive for a statewide mass transit system is a good one. It would be great to have an alternative to flying or driving, but obviously only if it is actually better than flying or driving. The train in question would be both slower, more expensive to operate (if unsubsidized) and less safe by two orders of magnitude than flying, so why would anyone use it?

To come up with a solution, he started with these design criteria:

If we are to make a massive investment in a new transportation system, then the return should by rights be equally massive. Compared to the alternatives, it should ideally be:

  • Safer
  • Faster
  • Lower cost
  • More convenient
  • Immune to weather
  • Sustainably self-powering
  • Resistant to Earthquakes
  • Not disruptive to those along the route

That's how the Hyperloop idea was born: a solar-powered, city-to-city elevated transit system that can move people (and cars, in the larger version) from Los Angeles to San Francisco in 30 minutes.

Inside the tubes, the pods would be mounted on thin skis made out of inconel, a trusted alloy of SpaceX that can withstand high pressure and heat. Air gets pumped through little holes in the skis to make an air cushion, Musk says. The front of the pod would have a pair of air jet inlets—sort of like the Concorde. An electric turbo compressor would compress the air from the nose and route it to the skis and to the cabin. Magnets on the skis, plus an electromagnetic pulse, would give the pod its initial thrust; reboosting motors along the route would keep the pod moving. And: no sonic boom. With warm air inside the tubes and high tailwinds, the pods could travel at high speeds without crossing the sound barrier. “The pod can go just below the speed of sound relative to the air, ” Musk says.

It'll take me a bit of time to wrap my head around the 57 pages that Musk has published, so I don't have much more for you right now (more later), but if you want to see for yourself, here's the PDF.

Source: www.treehugger.com

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  • avatar After going public, how does Elon Musk have control over the company?
    • So, I am not a lawyer (thank god) or a professional investor, but in my understanding of how things generally work at a publicly traded company, the stockholders elect a board of directors, who in turn choose a president/CEO.
      Oftentimes after a company goes public, the CEO is still a major stockholder, in which case he has a lot of influence over the board to start with. He (it's usually "he") may also know some of the board members well to start with: big business is a small world. Of course, a CEO who's done their job well can also justify their paycheck to the board on that basis.…