On Wed, 5 Aug 2020, Terry Blanton wrote:
> Similar methods have been proposed to send power to earth from orbiting
solar cell arrays, and probably just as impractical.
https://www.thedrive.com/the-war-zone/33339/x-37b-space-planes-microwave-po
wer-beam-experiment-is-a-way-bigger-deal-than-it-seems
Look at their EMROD "our technology," it's almost certainly just 2.5GHz
unlicenced industrial microwave, same as uWave ovens, and not at all
"tight" unless we have dipole arrays tens of meters wide. Which is
probably what they propose (didn't read the whole thing.) They'll need
little repeaters on floating boats.
Some modern microwave ovens use kilowatt FET oscillators. I've had one
apart on my bench (well, it was an argon-capsule plasma lamp, but used
power pcb modules from a commercial microwave oven.)
The goal: for offshore wind turbines, the underwater cables cost roughly
$1000USD per foot. There's BIG money in any wireless replacements for
submerged megawatt power cables: wireless beams on a scale of tens of
kilometers.
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William J. Beaty https://electricatechnology.com
beat...@gmail.com CTO, Inventor, Research Engineer
bi...@amasci.com
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