Currently I have plan replace it by 3674 inrunner with water cooling jacket. Result is 80A (930W) measured electric power.ĮDIT(): This motor is little bit overloaded and after few hours it is dead. I am using 3536 1700KV motor+ESC combo (re-flashed by SimonK firmware O_POWER=470 O_GROUND=47 POWER_RANGE=1600*CPU_MHZ/16+MIN_DUTY) with 6000mAh 40C 3S LiPol battery. It is necessary to have motor and shaft perfectly concentricall. Do it ONLY with mounted shaft to the motor together not without it. MainPart and motorHolder need to be glued together. It is good enough for my funny boat just for fun. NOTE: impeller lead isn't optimal for jet efficiency. Insert in "jetRudler_v12.stl" are drilled by 3.2 drill. Printed from PLA except impeller from PETG. Do not forget read comments, it contain many useful informations.ĭesigned for approximately 1m model boat. ![]() It is complete open source (only for non-commercial use, another license on request)ĭo not hesitate to add comments about this design. ![]() I suggest using inox 316 stainless steel shaft. After print is done just follow the instructions on the picture. I was inspired by jet ski jet pump and i made this type of impeller. I am try to create new another water jet boat propulsion for RC models. Strong design of jet ski propulsion based impeller.
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