ThomasPowers Posted November 2, 2017 Share Posted November 2, 2017 If you are near farm country go to an implement repair place and ask about speed reducers in their bone yard.. If you know the correct sprocket sizes for using a chain you can calculate the speed reduction very simply as pi x diameter x rotations of one == pi x the diameter x rotations of the other---and you can divide out pi from both sides! Quote Link to comment Share on other sites More sharing options...
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