Human Power

[Mangoes]

 

[macswan]

People are weird.

 

[Mangoes]

Physics and biology restrict a metabolic engine from producing flight in a body greater than 25lbs. (according to podcasts I've listened to)

Human powered helicopter flight is a significant engineering accomplishment. It took 33 years for someone to win the Sikorsky HPH Competition.
http://en.wikipedia.org/wiki/Igor_I._Sikorsky_Human_Powered_Helicopter_Competition

 

[treehumper]

UofT Skule of Engineering? Cool

 

[BRT]

Very neat Mangoes--thanks for posting. Incredible how long those blades are!