Variable pitch props for indoor airplanes.
17:47
Rolled Tube Fuselages for F1D and other Free Flight Airplanes
13:48
Nason Clutch Construction
42:39
Variable pitch prop build - Part 2: screw holder, prop holders, tension spring
19:10
Variable Pitch Propellors for Indoor Free Flight
22:33
F1D 2018 World Championship
12:38
RC contra-rotating, variable pitch prop for a Westland Wyvern
18:49
Jetco Eaglet small rubber powered endurance airplane
31:00