Jul 1, 2023 · Propeller pitch charts, offered by boat manufacturers, outboard motor companies, or aftermarket propeller suppliers, provide a starting point for selecting the right propeller for your …

This easy-to-use boat prop calculator will help you to determine how a change in pitch size will impact your boat's top speed.

Apr 28, 2025 · Here’s a comparison of two common propeller sizes, 15 pitch vs. 17 pitch and 21 pitch vs. 19 pitch. It will help you decide which is best for your boating needs.

You can use this boat propeller calculator to determine one of five variables: boat speed, propeller slip, propeller pitch, engine gear ratio, or engine revs. To use the calculator, input four of the …

Aug 19, 2025 · This article gives you a real-world prop calculator workflow (with formulas you can use right now), explains why those numbers matter, and shows how to use them to pick a prop …

Propeller pitch is the distance the prop moves forward in one rotation if it were moving through a soft solid. This post explains how to calculate propeller pitch and why it is important.

Use this tool to calculate the prop pitch of a boat from its speed, gear ratio, engine speed, and propeller slip.

That’s where our Propeller Pitch Calculator comes in—a powerful, user-friendly tool that helps you find the optimal propeller pitch for your boat based on real-time input like engine RPM, gear …

Ideal Tip Speed varies depending on the H.P. per square ft of the prop disc. The efficiency of a propeller is reduced as the tip speed approaches the speed of sound.

Aug 18, 2025 · Moving from a 3-blade to a 4-blade propeller, a 4-blade generally turns 50 to 100 RPM less than a 3-blade propeller with the same pitch. Switching from an uncupped to a …