Apr 15, 2016 · Mathematically, horsepower equals torque multiplied by rpm. H = T x rpm/5252, where H is horsepower, T is pound-feet, rpm is how fast the engine is spinning, and 5252 is a constant that makes the ...

Kv Rating: The Kv number is the RPM per volt supplied to the motor. The KV number's useful because it let's you figure out how many volts you need to achieve a certain RPM, or vice versa. For example, a 1200 Kv motor, supplied with 3 volts, will run at a nominal 3600 rpm.

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