Now, with this information, you can easily calculate a rough ratio by taking the input speed divided by the output speed, or 1800 divided by 1.667, which gives you an approximate number of 1080. This is where it
The best bet is a compromise between these extremes, a prop size that puts the engine in the sweet spot of its RPM range for everyday use. Conclusion When selecting a boat propeller, you should go for a higher pitch if you care about boat speed. However, a lower pitch will be the be...