Toroidal Propeller Testing on my Electric Surfboard
16:28
Propeller Killer? High Efficiency Paddle Vs. Propeller
24:08
Testing 8 Innovative New Boat Propeller Designs
13:42
This Car Travels Farther Than You Push It
16:14
We built a JET powered surf board
27:42
Upgrading my $1,000 Electric Boat Ordered From China
11:48
The Unexpected Genius of Bionic Propellers
16:47
I Build RC Fighter Plane with 3d Printed EDF #aeroplane #3dprinting
12:29