Prop Slip Speed Calculator
- Mike Hill
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- Sep 20, 2024
- 2 min read
Updated: Sep 18
Welcome to Buckshot Racing #77 free online Prop Slip Speed Calculator! This tool helps you estimate the speed of your boat based on engine RPM, propeller pitch, and gear ratio, taking into account a 10% prop slip.
Dial in your setup with a precision propeller slip calculator—optimize RPM, pitch, and gear ratio for clean acceleration.
It's a quick and easy way to calculate your boat's expected performance with a change in the propeller.
How to use the Prop Slip Speed Calculator?
Engine RPM: Enter the engine’s revolutions per minute (RPM). This is the speed at which your engine is turning.
Propeller Pitch: Input the pitch of your propeller in inches. This is the distance the propeller would move forward in one full rotation, assuming no slippage.
Gear Ratio: Enter the gear ratio between your engine and propeller. This is the ratio of how many engine turns it takes to rotate the propeller once.
Once you’ve entered all values, click the "Calculate Speed" button to see the estimated speed with a 10% slip factor. The result will be displayed in miles per hour (mph).
Change your variables to learn how different pitch props will run with different lower unit gear ratios, turning different rpms.
Our calculator is particularly simple and user-friendly, allowing high-performance boaters the ability to quickly input values and get accurate results. It simplifies the process, making it accessible for both seasoned racers and newcomers.
By routinely using a prop slip calculator, racers can refine their setup for maximum speed, better fuel efficiency, and enhanced handling, ultimately leading to better results on the water.
Prop slip %, ideal pitch, and theoretical speed—built for tuners, racers, and weekend speed junkies.
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