24:22

Teaching a Dremel Tool to Helicopter

14:11

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

19:33

Giant Magnus Effect Plane

27:55

I built an Omni-Directional Ball-Wheeled Bike

13:45

RC Hot Air Balloon Experiments

11:58

I FINALLY Bought An ELECTRIC Paramotor!

11:44

Flywheel Bike KERS

14:26

JET ENGINE CANOE! (World's Fastest!)