The ever-changing variety of hull designs, engine configurations, and general boat capabilities place new demands on propeller performance. For beginners and old pros, Prop School offers tips and tricks to help understand and maximize propeller performance.
Working in performance boating is exciting: It’s fast-paced. Propulsion systems and hull designs are in continual evolution.
Rake is the angle of a propeller blade face relative to its hub. If the blade face is perpendicular to the hub, the prop has zero-degree rake.
Continuing from Prop School…Part 3. Here I will explain everything you need to know about Blade Cup. Cup is a curl formed or cast into the trailing edge of a propeller blade.
For this, the fifth installment of my Prop School series I will review the various propeller blade designs and how they – along with rotation – affect propeller efficiency and overall boat performance.
Response to my Prop School series has been gratifying. It has generated a lot of good discussion (online and off) regarding propeller design, function and application.
The length and size of a barrel on a propeller is often overlooked, yet it is one of the most important features when dialing in a boat.
The “finish” on a high-performance propeller refers to how the raw propeller casting is transformed into a ready-to-use propeller.
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