It has been 3 days since I contacted ProBoat about my sons 3 month old Shockwave (the green one). It has about 20 runs on it and the flex shaft broke, ok it happens. I replaced the flex shaft and prop and the next run it happens again. It has always been kept greased usually every 2 runs. After further inspection I noticed the strut had become ovaled out. I removed the strut and the stuffing tube goes thru the strut and one side was worn away. There is no bushing to support the shaft if just floats there. This seems to be a very bad design.
My plan now it to give up on ProBoat and make it more reliable. I have an old impulse 26 that I put a 2000KV brushless in that has never broken a shaft. Using that as my guide I ordered new stuffing tube the same diameter as the impulse 26. I bored out the strut to accept the larger tube and plan to use an impulse 26 shaft and the bushing that comes with the shaft. I will have to shorten it a bit but Iām hoping this will fix the design defect.
My plan now it to give up on ProBoat and make it more reliable. I have an old impulse 26 that I put a 2000KV brushless in that has never broken a shaft. Using that as my guide I ordered new stuffing tube the same diameter as the impulse 26. I bored out the strut to accept the larger tube and plan to use an impulse 26 shaft and the bushing that comes with the shaft. I will have to shorten it a bit but Iām hoping this will fix the design defect.
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