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Showing results for tags 'hand cranked'.
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anyone here made one? did it work well? was it easy to make? I can see 2 areas of concern 1) gearing to get required speed 2) making an impeller that is suitable I am looking into both of these at the moment and I have some ideas to play with, for gearing I know of a source of geared motors that may have a suitable ratio, will be checking that out when I can and will also have to check the gearbox is removable and can be turned by the output shaft, if it is worm and wheel it cant. for the impeller I was thinking of laser cutting it and making it self jigging