why aren’t there human-piloted quad-rotors?
In: 11
There are human powered helocopters. They are about the size of a football field. They got a professional bike rider to pedal and it maintained flight for about a minute and 10-12 feet off the ground.
[https://en.wikipedia.org/wiki/AeroVelo_Atlas](https://en.wikipedia.org/wiki/AeroVelo_Atlas)
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