The Tethered Ring Reference Design

The tethered ring reference design's height is 32 kilometers or 20 miles up, that keeps it above air traffic and weather. Transport could be directly up a vertical cable that's 32 kilometers long or at an angle. We are assuming a transit tube with a diameter of about 12 meters or 40 feet which supports four lanes of traffic. The cars that travel within are 4 meters in diameter and 20 meters long, similar to the fuselage of a business jet. This baseline ring would be expected to be serving tens of thousands of people at a time.

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