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500cc max RPM
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[QUOTE="nitropimp, post: 845066, member: 49009"] Could be, I am using a formula from tsrsoftware, it's in the tech articles under gearing formulas. engine rpm = mph x rear axle gear ratio x 336 divided by tire diameter. How do I include primary reduction, which is 2.625, in the calculation? I do know that there is more left in high gear. I ran it out a good 100' past the finish line and it was still pulling good. [/QUOTE]
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500cc max RPM
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