4 ms·
Human powered planes already exist, using propellers.
by seles 16y ago
Human powered planes already exist, using propellers.
- pfedor 16y agoNo idea why anyone would have downvoted you: http://www.youtube.com/watch?v=sp7yv67B5Sc http://www.youtube.com/watch?v=sp7yv67B5Sc
- seles 16y agoProbably because I was too lazy to post a video, thanks :)
- emit_time_n3rgy 16y agoI'd like to see multiple humans powering a gyrocopter http://www.youtube.com/watch?v=nY8SmllLcIU http://www.youtube.com/watch?v=nY8SmllLcIU