Comment on "Efficiency: Perfect pitch UAVs and airboats lead to new propellers (at least some good from UAVs / Drones)"
I'm in aircraft design and testing for the Navy and I can assure you, more blades (along w...nd speed as a factor. Notice you won't find any 6 bladed solar powered aircraft. So then it's a cur...Comment on "Thirteen grand over Portal Peak with a 447. (engine off)"
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