Weirdest Airplane Experiments (tank tread propeller, spring plane, multi-wing plane)

Submitted ⁨⁨11⁩ ⁨months⁩ ago⁩ by ⁨sexy_peach@feddit.de⁩ to ⁨videos@lemmy.world⁩

https://www.youtube.com/watch?v=AOVTbQcOamM