Helicopter powered by human


People are trying to catch up with the birds from the beginning.
We have airplanes, jets, gliders and sailplanes. Now it’s time for a helicopter powered by a man!
Imagine a helicopter which propellers are powered by human muscle, specifically by one man.
The helicopter had already exist, and even rises!
See for yourself.

Originally posted on 4 September 2012 @ 13:21

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