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Strategies & Market Trends : 2026 TeoTwawKi ... 2032 Darkest Interregnum
GLD 387.11+0.1%Dec 4 4:00 PM EST
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To: TobagoJack who wrote (193920)11/22/2022 1:36:06 PM
From: Maurice Winn  Read Replies (1) of 218179
 
Space Ship construction.

Escape velocity from Moon = 2.4 km per second compared with Earth 11.2. Moon is a fifth the mass of Earth.

Since there's no atmosphere, a space elevator would be doable. Unfortunately the Moon doesn't rotate so grabbing the hanging down tip would be tricky.

Like the good old days of steam railway, a hook could be put out to the side of the train and grab a mailbag without sliding down. The load could then be pulled up the cable for processing into a 100 kilometre long space ship.

1700 metres per second is the orbital speed at the surface of the Moon so the hook system would need some engineering.

Fortunately, the cable hanging down would act as a very long shock absorber and acceleration cable , like the cable on an aircraft carrier flinging a fighter jet up to speed.

But the space elevator could take kilometres to accelerate the load, being thousands of kilometres long.

The cable would need to power itself back to altitude as the deceleration due to the load's inertia and then levitation pulls it down.

Or, a clever propulsion system could accelerate the load up to 1700 metres per second same as the hook speeding past. That would be doable because huge photovoltaic arrays on the Moon could provide gigawatts of electricity for mining, smelting, rolling, machining, as well as accelerating loads up to speed.

Mr Tesla's microwave transmitters could deliver electricity to the space ship and cable system if orbiting photovoltaics need supplementation.

Mqurice
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