Tesla's Elon Musk posts high speed 'hyperloop' proposal online

Noah Berger/Bloomberg

Elon Musk, co-founder and chief executive officer of Tesla Motors Inc., revealed more details about his proposed Hyperloop on Monday.

Billionaire Elon Musk posted a 57-page PDF online (without page numbers) Monday fleshing out his proposed idea for a superfast train system called a hyperloop that could whisk passengers from San Francisco to Los Angeles in under half an hour.

Musk, the boss who's bankrolled Palo Alto's Tesla Motors Inc. (NASDAQ: TSLA), said he was "quite disappointed" with the high speed rail system proposed for California.

You can read Musk's full proposal right here.

"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?" Musk wrote on Tesla's blog.

Musk hopes his idea -- an ultrafast train where cars are pushed through pneumatic tubes like messages in an old department store or office building -- will be studied and improved on by others. Passengers in the system could, he wrote, be whisked at "high subsonic speeds" for a short trip, from Los Angeles to San Francisco, say. For a transcontinental trip the hyperloop would propel them at "super high speeds," Musk said.

At such speeds, wheels don't work very well, Musk wrote, but an air cushion would support the vehicles. The tube in which they travel would be built above ground on pylons, he said.

Check out the San Francisco Business Times for more on Musk's concept.

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