Airboat Propeller Speed Calculator calculator can be used to determine the speed of an airboat propeller based on engine RPM, propeller diameter, and gear ratio.
Learn how to use the Airboat Propeller Speed Calculator calculator and its working principles
The Propeller Speed is the rotational speed of the propeller in revolutions per minute (RPM). The Linear Speed is the speed of the airboat in miles per hour (mph).
Propeller Speed (rpm) = Engine RPM * Gear Ratio
Linear Speed (mph) = (Propeller Speed (rpm) * (Propeller Diameter / 12)) * 0.514444