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I am currently working on calculating vehicle performance. I have found a formula to calculate max theoratical velocity that is:

V= engine RPM x Wheel circumference / transmission Ratio x Rear Axle Gear Ratio

but I could not be able to calculate my actual speed and its effect on increasing my GCW.

What I am know are

Max Torque at given RPM

Power at given RPM

Gear Ratios

Rear Axle Ratio

Wheel Diameter

Load on Rear Axle

Is there any solution to my situation?

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# Effect of GCW on vehicle speed

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