Propeller Basics - Rake
Rake
 Rake is the degree that the blades slant forward or backwards in relation to the hub. Rake can affect the flow of water through the propeller, and has implications with respect to boat performance.

Aft Rake helps to trim the bow of the boat upwards, which often results in less wetted surface area and therefore higher top end speed. Aft rake propellers also typically "bite" better on ventilating type applications.

Forward, or negative rake, helps hold the bow of the boat down. This is more common in workboat type applications.

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P is for Propeller Propeller Basics
How To Choose A Prop
Diameter Pitch
Cupping Rake
Ventilation Cavitation

We tell you everything you need to know about props from cupping to ventilation.

 		Learn About Prop Characteristics Prop Characteristics
3 Blades VS. 4
Left-Handed Props
Performance
Exhaust
Aluminum vs. Stainless Steel

If you want to modify your boat's performance, consider the above before making your selection. 		Learn About Engine RPM Determining RPM's
Effect of pitch on RPM
Test for Maximum RPM


For safety and efficient performance, it is critical that your engine operates within the RPM range recommended by the manufacturer.