Driving a PTO based starter requires a substantial gear reduction. Considering that a 540 PTO spins at about a 3.33 to one ratio slower than engine speed, the driver needs to be geared maybe 3 times the ratio of a flywheel ring gear to starter pinion which is in the relm of 10 to one reduction. Thus a 30:1 ratio is about right if a starter motor was used on the device. A shaft from tractor to tractor would require a reverser gear set to turn the engine correctly CW looking at the radiator. Turning a standard overrunning clutch end for end, or flipping the sprag internally would allow the motion to be controlled, but the reverser would be the difficult issue. There are torque reaction issues that need to be addressed as well. The reverser housing will need to be held from turning by being anchored to the ground, or the driving or receiving tractor frame. Jim
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Today's Featured Article - Show Coverage: Godfrey, Illinois Country Days - by Cindy Ladage. Except for last fourth of July's Old Gold show in Springfield, Illinois, I don't remember when it was so hot. Nevertheless, the heat didn't keep vendors and visitors alike from enjoying the third annual Country Day's Event. Jane Elliott said the event was originally a one man show. "Barry Seiler, owner of Country Town Farm Supply store used to invite people up to the Johne Deere store. He would give hats and a free meal for everyone that brings a tractor." Elliott said while this
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