If you are determined to use chain and sprokets instead of a belt drive, have someone who has done some driveline design look over your plans. There are a large number of things to be considered on chain drive. At 3600 rpm, a 2" sprocket is probably too small. The drive will not be as smooth if the sproket is too small. The ratio of 6.66 to one has to be figured into the calculations. The number of cylinders the engine has changes the service factor in the calculation. A chain drive needs to be lubricated. A belt drive does not. Sprocket alignment is more critical than pulley alignment, although it should be as close as possible. Noise is also a consideration. The nosier the drive, the less efficient.There are many other considerations. Please take all these things into your decision.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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