Re:Solar-powered aircraft flown for nearly three weeks witho...
by Jeff_Brown on Monday October 11, 2021 @04:55PM
(#28832960)
Also less disturbing to the ecosystem below than a prop.
Re:Solar-powered aircraft flown for nearly three weeks witho...
by adgjlsfhk1 on Tuesday October 12, 2021 @01:58AM
(#28836537)
a sail (especially when luffing) is really f**ing loud
Yes, but it makes less noise.