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Heymow - Lawnmower Racing Forum
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Driveline
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Gear ratio conversion
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Topic: Gear ratio conversion (Read 2715 times)
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boxcar
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Brookings, SD
Gear ratio conversion
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on:
July 05, 2015, 07:20:05 pm »
Ok here I go, I have a 8" pulley on my motor, a 6" on a 1.92 to 1 gearbox. Right now I'm running a 12t driver to a 44t axle sprocket with 15" rear tires. I want to convert my belt to a chain clutch on motor and sprocket on gearbox. What am I running now and what should I buy for teeth on clutch and teeth on gearbox??? Does this make since to you all
Thanks, boxcar
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Raabe Racing
PJG56
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Re: Gear ratio conversion
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Reply #1 on:
July 05, 2015, 09:34:30 pm »
Right now you have a 5.29-1final ratio.
So just a couple of examples to duplicate your ratio with chain and sprockets 16 teeth on clutch 12teeth on gearbox,20 teeth on clutch 15 teeth on gearbox.
Hope this helps
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Paul Guptill (oppy) #238modX
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boxcar
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Brookings, SD
Re: Gear ratio conversion
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Reply #2 on:
July 06, 2015, 07:10:04 am »
Thanks, I didn't realize I'd have to go so small on the gearbox.
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Raabe Racing
PJG56
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Re: Gear ratio conversion
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Reply #3 on:
July 06, 2015, 10:52:30 am »
You could change 12 tooth on rear to 16 tooth and use 18 tooth clutch and 18 tooth on gear box and maintain your current final ratio
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Paul Guptill (oppy) #238modX
2012 slmra mowstock champion(builder/owner)
2013 slmra mowdified champion(builder/owner)
2013 ARMA national champion Mod-X(builder/owner)
2014 ARMA national champion Mod-X(builder/owner)
2014 All American Champion Mod-X/CP(builder/owner)
2014All American Champion FXT (engine builder)
2014 All American 2nd place SP(builder/owner)
2015 All American 2nd place BP (builder/owner)
2016 OutlawTriple Crown FXT Champion (engine builder)
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Heymow - Lawnmower Racing Forum
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Mower Building / Setup Help
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Driveline
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Topic:
Gear ratio conversion
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