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Machine Pitch
Machine Pitch (MP)/Heavy Duty (HD)
8" - 60" Diameters — 0.51 E.A.R.
62" - 96" Diameters — 0.47 E.A.R.

Machine Pitch™ (MP) is the finest and best know three blade for all-purpose use. The style and design is primarily used on vessels with speeds less than 15 knots. MP style propellers incorporate a semi-elliptical shape, constant pitch and ogival blade sections.
The Heavy Duty (HD) is identical in design to the MP, but includes thicker blade edges engineered specifically for severe conditions. Its heavy duty edges resist abrasion and blade fracture.

Work Horse
24" - 60" Diameters — 0.71 E.A.R.
62" - 96" Diameters — 0.622 E.A.R.

The Work Horse™ is the best known four blade propeller in the world for its ability to push hard working boats. It is designed for tug boats, push boats, and applications requiring maximum thrust — where low speeds do not necessitate skewed blades. The semi-elliptical blade shape and constant pitch allows for excellent revers thrust performance that is necessary in many workboat applications.

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