Best I could do in a few minuets.
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| MPH @ set RPM based on Tire and Gear Ratio http://www.woodsbuggy.com/phpBB3/viewtopic.php?f=12&t=9095 |
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| Author: | nitro_mudder [ Sat Mar 20, 2010 1:23 pm ] |
| Post subject: | MPH @ set RPM based on Tire and Gear Ratio |
Instigator helped me crunch some numbers last night and I made up a chart that might help some people. It is in MS excel and not sure how to put it on here to download. But shoot me ur e-mail and I can send you a copy if you want. |
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| Author: | hillaholic [ Sat Mar 20, 2010 6:47 pm ] |
| Post subject: | Re: MPH @ set RPM based on Tire and Gear Ratio |
email it to me I will post it. |
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| Author: | Terry fryer [ Sat Mar 20, 2010 7:03 pm ] |
| Post subject: | Re: MPH @ set RPM based on Tire and Gear Ratio |
Here is the formula. rpm x tire height / ring gear / gear/ 336 = mph 7000 x 28" / 4.86 / 3.44 /336 = 34.89 mph |
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| Author: | hillaholic [ Sat Mar 20, 2010 7:25 pm ] |
| Post subject: | Re: MPH @ set RPM based on Tire and Gear Ratio |
sorry oscar21275@oh.rr.com |
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| Author: | hillaholic [ Sat Mar 20, 2010 7:52 pm ] |
| Post subject: | Re: MPH @ set RPM based on Tire and Gear Ratio |
Best I could do in a few minuets.
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| Author: | hyde [ Sat Mar 20, 2010 8:34 pm ] |
| Post subject: | Re: MPH @ set RPM based on Tire and Gear Ratio |
GO to cb preformence there is a gear calculater & engine calculater |
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| Author: | nitro_mudder [ Sat Mar 20, 2010 8:40 pm ] |
| Post subject: | Re: MPH @ set RPM based on Tire and Gear Ratio |
If you use the excel version that I made it tells you the speed for each combination. Just doesnt work as a pic 
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