7:42

#86 Trampa Board - The change the drive system from belt to spur gear

5:27

10 Fastest Electric Skateboards with Dangerous Speed (68 MPH)

15:10

Custom DIY Gear Drive Electric Mountainboard (Update)

12:26

The Mecanum Wheel Is So Weird, It Is Genius. How It Works

19:46

Ultimate Beginners Guide to Using Electric Motors for Makers and DIY Projects; #068

7:46

#96 Trampa board mini DIY test ride

18:58

I invented a NEW KIND of ENGINE (New Rotary Design)

18:29

The World's Most POWERFUL Skateboard