Adopt Good » flight https://www.adoptgood.com A general thought sharing Fri, 23 Apr 2010 23:59:43 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Human powered helicopter flight https://www.adoptgood.com/aerospaceaviation/human-powered-helicopter-flight/ https://www.adoptgood.com/aerospaceaviation/human-powered-helicopter-flight/#comments Tue, 06 Apr 2010 23:55:58 +0000 admin http://www.adoptgood.com/?p=190 If you had a scaled down pair of helicopter blades (made out of something light, such as plastic), how many RPM would it need to lift itself along with 150 lbs? (about 150 lbs for the human, itself (lets just assume the copter was 200 lbs, so 350 lbs total), and if it had a 10 foot wing span? (So, how many RPM would 10 feet of helicopter blade-span need to lift 350 lbs).  (I know you would need to know how efficient the blades were at pushing against air, I just want to know the RPM it would need if it had an average efficiency.

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