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REGENT Seaglider Achieves First Flight

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This is a quarter-scale demonstrator of a float, foil, fly technology. It's explained in this Twitter thread: https://twitter.com/billythalheim[er/status/1572556301762449410 but the basic idea is that it's a seaplane with a hydrofoil to achieve stable flight, and forced lift with distributed electric propellers. Once in the air it uses ground effect for economy of operation. If you run out of electricity, you just land on the water. Sure, you're stranded, but at least you're… (vimeo.com) More...

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coinflyer
coinflyer 1
I didn't understand the purpose of the thin black appendages that popped into view after the craft became airborne. My immediate impression was that this would cause a lot of drag underwater.
ravanviman
hal pushpak 1
Those are the hydrofoils (as in a hydrofoil boat) except they retract.
ravanviman
hal pushpak 1
(retract in the air, that is.)
coinflyer
coinflyer 1
Ah. But unlike other hydrofoils I've seen, this vessel never seemed to rise fully above the surface to ride on the hydrofoil itself while it was in the water. It only became apparent when the thing actually took off. But maybe it was the angle and spray that kept me from seeing it...
linbb
linbb -4
Wow just like the Rusans tried and didnt work out another dud to invest in.

RussellNelson
Russ Nelson 7
Well, clearly, since you can see this one flying, "didn't work out" needs more details before I'll believe anything you say.

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