Controllable Pitch Propellers

Product catalog summary

Overview of Controllable Pitch Propellers (CPP):
Controllable Pitch Propellers (CPP) offer significant advantages over fixed pitch propellers, including higher propulsion efficiency and better maneuverability. The ability to smoothly transition from 'ahead' to 'reverse' without dead time enhances safety and reduces stopping distances. CPPs allow for constant engine operation at optimal speeds, reducing fuel consumption, maintenance costs, and clutch disc wear.

Models and Specifications:
The document lists various models of CPPs, categorized into MMS and MMI types. MMS models have pitch actuators built on the gearbox output flange, while MMI models have actuators built in the propeller hub. The models vary in power ratings, hub diameter, shaft diameter, and propeller diameter, catering to different vessel types and operational needs.

Technical Advantages:
CPPs enable efficient use of diesel engines, maintaining 100% engine power availability in various situations such as cruising, trawling, and maneuvering. They also support power take-off drives, allowing auxiliary machinery to be powered efficiently, reducing the need for additional engines.

Design Specificities:
The propellers can be integrated with the hub or separated, offering flexibility in design. They are compatible with non-reversing gearboxes and can operate in feathering mode. Masson Marine has supplied over 1000 propellers, indicating reliability and widespread use.

Applications:
CPPs are used in various vessels, including sailing boats, passenger boats, towing tugs, and chemical tankers, with specific models and diameters suited for each application.

Contact Information:
Masson Marine SAS, located in Saint Denis Les Sens, France, provides contact details for further inquiries.

Catalog excerpts

Controllable Pitch Propellers ropellers Controllable Pitch Propellers (CPP) Heavy duty ratings and dimensional data Dimensions (mm) kW/rpm (hp/rpm) Model types: • MMS : pitch actuator built on the gearbox output flange • MMI : pitch actuator built in the propeller hub

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Major Advantages of a Controllable Pitch Propeller Higher propulsion efficiency than with a fixed pitch propeller, optimizing speed and bollard pull performances. Better maneuverability: passing from "ahead" to "reverse" occurs smoothly and without dead time, simply through propeller pitch inversion. The very short response time while maintaining full power ensures higher safety for the ship and crew, and considerably redu reduces the stopping distance of the vessel. More efficient use of the diesel engine: 100 % engine power remain available at the propeller in every situation (cruising, trawling,...

Open the catalog to page 2

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