13:44

Super Capacitor Plane

14:14

Air Bottle Helicopter

15:25

Optimising an Air Engine

19:21

Mousetrap Powered Airplane??

14:03

Building a Turbine Car

26:17

Battling 200 RC Airplanes With a Giant Flying Ceiling Fan

17:42

Building a fully AUTONOMOUS submarine

9:53

Magnetic Air Engine