2 ms·
I'd like to see multiple humans powering a gyrocopter http://www.youtube.com/watch?v=nY8SmllLcIU http://www.youtube.com/watch?v=nY8SmllLcIU
by emit_time_n3rgy 16y ago
I'd like to see multiple humans powering a gyrocopter
http://www.youtube.com/watch?v=nY8SmllLcIU http://www.youtube.com/watch?v=nY8SmllLcIU