Rubber band powered boat

by sdarlington Oct 21, 2017
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how do you make it work??? i want to put this on my youtube channel

Printed the axle at 92% on my Ender 3 and it fit perfectly. Great project! Thanks!

Had to shave some of the material to fit the propellers, then use a mallet with light taps to get them on. Feels sturdy. Make sure to use a long weak rubber band as a strong one will spin the axle so fast it will just throw water everywhere and not move.

very cool ! sending you a inbox regarding a project