boater4life
Petty Officer 2nd Class
- Joined
- Nov 5, 2002
- Messages
- 126
Cruising Speed Formula<br /><br />rpm -------------- mph -------------- rpm per mph<br /><br />2,000<br /><br />2,500<br /><br />3,000<br /><br />3,500<br /><br />4,000<br /><br />4,500<br /><br />Begin plane and trim. Record speed at rpm, slowly advance throttle to next increment, continue to full throttle.<br /><br />Divide each rpm point by the miles-per-hour recorded. Result is how many revs it takes to maintain each mph. Calculations show exactly the most speed for the fewest rpms. Most fuel-efficient cruising speed is least rpm to generate each mile-per-hour.<br /><br />
