why aren’t there human-piloted quad-rotors?
In: 11
There are. They have existed for years.
[https://www.engadget.com/2016-01-06-184-delivery-drone-for-people.html](https://www.engadget.com/2016-01-06-184-delivery-drone-for-people.html)
why aren’t there human-piloted quad-rotors?
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