Water Jet Propulsion System

by JaniKabalin Sep 28, 2018
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hi, what size boat did you run this with and do you have a link for the motor you used.


This won't work well without a stator housing after the impeller with an integrated bearing holder. Google jet ski pump and see what I mean. As you have it the shaft will be free to move and the impeller will hit all over. Also the water will come out in a spiral instead of straight.

I've printed it and it worked well for me. I've put a second bearing on the other side of the hole where the first bearing is and everything stayed in place and rotated freely. The water comes out in a little bit of a spiral but when i put the nozzle on it's fine.