minus-squareGoldenSpamfish@lemmy.ziptoTechnology@beehaw.org•What is a 'toroidal propeller' and could it change the future of drones? An expert explainslinkfedilinkEnglisharrow-up3·2 years agoIt’s been done a lot, but its kinda pointless as any noise improvements from the shape are obliterated by the bad surface finish. linkfedilink
minus-squareGoldenSpamfish@lemmy.ziptoLemmy@lemmy.ml•What's with this abrupt fall?linkfedilinkEnglisharrow-up3·edit-22 years agoWhere can I see this chart? linkfedilink
It’s been done a lot, but its kinda pointless as any noise improvements from the shape are obliterated by the bad surface finish.