Author Topic: Drive Ratio for direct drive  (Read 4576 times)

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Offline Jay19LM

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Drive Ratio for direct drive
« on: February 25, 2011, 09:33:09 am »
I am looking for a optimum overall drive ratio for launching only. After toasting a cheap comet centrifugal clutch I need to go a different route. What I have now is a 8" to 8" thru a 1=1 RAGB 10T to a 60T. That gives me about a 5:45 ratio. The clutch was 10Tooth. If I remove the clutch I will have to use a 11 tooth sprocket, as I can't find any sprockets smaller to fit the 1" shaft RAGB. I also wonder if I will be turning the Ragb too slow, putting too much torque on it. I don't want to go super fast, just want to go quick in a short distance. I was think about a 6-1 ratio. Don't know if that would be to tall a gearing for a 1/2 belt. Engine is 23hp 4k rpm. Trying to keep things in the range of affordable or should I just go with a quality racing clutch. any input appreciated.

J19LM

 

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