The Prop Blog

Inboard Propeller Installation Process (Provided by Michigan Wheel) 1. Push propeller snugly onto shaft taper WITHOUT key in either keyway (propeller or shaft). 2. Make sure the … Read More

How Altitude Affects Outboard / Sterndrive Prop SizingWe get calls from customers who after propping their boat at a lower elevation have trouble reaching their RPM when they take the boat to a higher … Read More

If you are having trouble figuring out what diameter shaft, or prop bore you have, below you will find a handy chart with measurements for both propeller bores and shaft diameters. In order to do the … Read More

Why are Wide Open Throttle (WOT) RPM so important? As I have mentioned in a previous blog post, what WOT RPM you are getting along with your current propeller size and pitch are the most important … Read More

As mentioned in a previous blog entry, your engine has a range that the manufacturer would like you to be able to reach when running at wide open throttle (WOT). Even if you do not usually run your b … Read More