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Airboat Prop Speed Calculator

Formula

To calculate the airboat prop speed:

$PS = \frac{RPM}{GR}$

Where:

Prop speed is defined as the total rotations per minute an airboat propeller is spinning at given an engine RPM and a gear reduction.

Let's assume the following values:

Step 1: Divide the engine RPM by the gear reduction:

$PS = \frac{3000}{2} = 1500 \text{ RPM}$