I Found the Most Efficient Propeller Design - Competition Ep. 3
1:30:44
I spent TOO much on a Krusty Old Lobster Boat
24:13
Testing 12 Ultra Efficient Electric Boat Propellers
36:57
Testing Futuristic Propeller Designs on my Solar Powered Boat
11:55
Stepped Airfoils for Model Airplanes - Are They Better?
16:33
The "Impossible Torpedo" was real
25:50
I Built a Powerful R/C Tow Boat
11:48
The Unexpected Genius of Bionic Propellers
20:32