Force outboard rpm chart. Enter the maximum RPM your engine achieves.


Force outboard rpm chart. Enter the engine horsepower. Please consult owner’s manual to confirm specifications. You need the numbers — pitch, diameter, blade count, slip — but you also need practical testing and an understanding of how your particular hull, load and typical use interact. Enter the gear ratio of your engine. 3 L Cobra 5200-5600 The document contains Yamaha, Suzuki, Evinrude, Johnson, Honda, and Mercury outboard motor RPM range charts. 8 L V4 Sea Drive 5000-6000 2. Enter the maximum RPM your engine achieves. Enter the propeller diameter in inches 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. Replace the propeller with a higher or lower pitch prop To get the most accurate result from the WOT RPM test, there are a few things you need to do to ensure the data from the wide open throttle test is as precise as possible. The full throttle RPM chart shows WOT RPM for: Evinrude / Johnson, OMC, Honda, Nissan / Tohatsu, Volvo, Yamaha, Suzuki, Mercury / Mariner, & Mercruiser. The calculator also utilizes a constant known as Crouch constant which differs based on the type of the boat. Force (and Chrysler, which became Force in 1984-85) tended to make as many as 15 variations of a given motor in any particular year, many with not-quite-the-same parts from one to another. This article gives you a real-world prop calculator workflo How to Do the WOT RPM Test The WOT test is done in three simple steps: 1. Prop RPM Guide Engine RPM Chart for Proper Boat Propeller Sizing Note: WOT (wide open throttle) measurements are made with a tuned engine, a clean boat hull, loaded with an average boat load, and the propeller clean and undamaged. 6 L V4 Sea Drive 4500-5500 1. Optimize your boat's performance with our marine speed calculator. The WOT rating is the RPM range the motor should achieve when running at wide open throttle. 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 Yamaha WOT RPM Range Chart* Look Up Propellers for Yamaha Outboards Look Up Propellers for Yamaha Stern Drives Mar 15, 2025 · 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 boat. Every outboard and sterndrive motor has a WOT rating, as established by the manufacturer. The boat speed calculator determines the top speed of a boat based on the boat's power and displacement. The charts list the recommended wide-open throttle RPM ranges for different horsepower models at varying gear ratios to help operators run their engines efficiently. If you wonder how fast a boat can go, this calculator will help you answer that. Performance Boating - Manufacturers specs. May 27, 2024 · Mercury Prop Selector Calculator This calculator helps you determine the ideal propeller for your boat based on various parameters. Horsepower to Speed Calculator | Marine Performance Tool Calculate theoretical boat speed based on engine horsepower and hull characteristics. Find out your outboard or sterndrive's WOT rating 2. Boat Engine Brands » Mercury Models » RPM Range Chart OMC® RPM CHART HP/Model WOT RPM 1. Feature nav ribbon. 3. Beginning in mid-1992, Mercury Marine (who had acquired Force Outboards) began using Mercury FORCE OUTBOARD APPLICATION CHARTS 75‐150 Horsepower ‐ Force 75 HP 1999 & Newer 90, 120, 150 HP 1995 & Newer 15 Tooth Spline This chart provides information on outboard engine RPM and gear ratios for optimal performance. Select the type of boat you have from the dropdown menu. . 5 THRU 45 HP 50 THRU 85 HP 90 THRU 150 HP MODEL NUMBERS are VERY important in identifying your Force Outboard. Calculate theoretical boat speed based on engine horsepower and hull characteristics. How to Use: Enter the weight of your boat in pounds (lbs). The formula for the top speed of a boat is used by designers to perform preliminary design analysis MERCURY® VERADO® RPM CHART MERCRUISER® RPM CHART Engine RPM Chart is for reference only. Dec 22, 2016 · A handy chart put out by Michigan Wheel that shows what your wide open throttle range should be. Learn all about boat propeller fit with our Boat Propeller Fit Guide. Run your boat at WOT 3. Aug 19, 2025 · Choosing the right propeller for an outboard is equal parts science and fieldcraft. ji2an zcj 1xuo gujx rehdd abw wfny q9onw e9gmy whvwl0