Water Jet propulsion unit
cults3d
This is a jetpropulsion unit which can be completly under water, for example to fix it on the fin of a surfboard. You will need 2 ballbearings 16x5x5, a stainless steel shaft 5mm diameter with a M5 thread on one side, a motor coupler from aluminium or stainless steel, and the impeller mount from aluminum. Some screws, and a rubber ring 14x2mm to fix rear bearing cover.
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