Variable pitch props for indoor airplanes.
42:39
Variable pitch prop build - Part 2: screw holder, prop holders, tension spring
19:10
Variable Pitch Propellors for Indoor Free Flight
21:26
Radio control equipment for rubber powered airplanes
11:22
This glider wasn't supposed to set a record, but it did it anyway!
21:54
My first Pennyplane!
13:48
Nason Clutch Construction
11:47
Does this $12 Aliexpress "F1D" airplane kit actually fly???
8:24