12:39

Making a 3 Speed MANUAL Gearbox For RC Cars!

8:24

3D-printed shredder

9:59

Making a GOOGOL:1 Reduction with Lego Gears

21:23

Harmonic vs Cycloidal Drive - Torque, Backlash and Wear Test

5:53

3D-printed double helical gear pump/water pump/hydraulic pump *watertight*

10:20

Homemade a Super Powerful Gearbox Full Metal

14:44

3D Printed Double Shaft Gearbox - Perfect for RC Vehicles

12:21

powerful gearbox for my homemade rc car