In that time you have to insert M8 nut inside (it is tight fit. This is the time you will hit pause button and stop priting complete impeller. Impeller- first calculate time for printing not completed impeller. You can check video of my 30mm bigger jet unit in the added link. All you need to assemble it is: 2x skateboard bearing (8mm ID, 22mm OD, 7mm thickness), lip seal (same dimension as bearing), 6mm M4 brass thread insert-6x, 7mm M4 brass insert-x3 (for motor mount), 6x M4 bolt, 2x m4 nut, 2x kniping screw, 1x 150mm long shaft 8mm thick with 37mm thread at one end, 1x M8 nut which is inserted in impeller while printing process. Walls are 3mm thick and this makes it very robust design.Įasy to print (hard parts with PLA and gaskets with flexible filament). You can choose between normal difusor or steering difusor. With brass inserts witch are inserted very easily using soldering iron. Great design with big steering angle, low drag for maximum water flow, high angle of attack impeller. My 50mm design water jet thruster for bigger rc boats.
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