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Mercury Racing Releases new 300-HP CNC Cleaver Propeller

June 09, 2020

An outboard as exciting as the Mercury Racing 300R deserves its own propeller and Mercury Racing has just delivered. The new surface-piercing Mercury Racing 300HP 5-Blade CNC Cleaver propeller is designed expressly to maximize the performance of the Mercury Racing 300R. Its proprietary blade profile delivers stronger acceleration and more top-end speed than the Mercury Racing 400HP CNC Cleaver prop when run on the Mercury Racing 300R outboard. This new prop will also improve the performance of the legacy Mercury Racing 300XS and 300X outboard models.

“While mainly aimed at twin-outboard catamaran applications, this new propeller design will also take single-engine, padded-vee bottom and tunnel boats to a new level of performance,” said Steve Miller, Mercury Racing director of marketing, sales, and service. “There’s no room for error when driving these high-performance boats and that’s the approach we take when building propellers.”

The state-of-the-art CNC machining process offers unparalleled benefits compared to standard cast propellers. Pitch, diameter, and rake are perfectly true on every Mercury Racing CNC propeller to ensure that lift, handling, and speed characteristics are absolutely consistent. Designed to make the most of the Sport Master gearcase and elevated engine heights, the 300HP 5-Blade Cleaver prop dramatically reduces slip percentages in outboard Sport Master applications, averaging 4.5 percent at WOT.

Thousands of pitch, rake and diameter combinations are available to dial in the maximum performance of almost any boat. Each CNC Cleaver propeller is custom made to order. Diameter range is 14.5 to 15.5 inches, pitch range is 26 to 40 inches in one-inch increments, with a choice of 15-degree or 18-degree rake.