controllable-pitch propeller

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controllable-pitch propeller

[kən¦trōl·ə·bəl ′pich prə′pel·ər]
(mechanical engineering)
An aircraft or ship propeller in which the pitch of the blades can be changed while the propeller is in motion; five types used for aircraft are two-position, variable-pitch, constant-speed, feathering, and reversible-pitch. Abbreviated CP propeller.

controllable-pitch propeller

A propeller whose pitch can be altered by the pilot in flight. Unlike in a constant-speed propeller, where the governor automatically controls the pitch, here the pilot carries out the pitch adjustments. Takeoff is made with a low blade angle, so that the engine develops maximum power. The blade angle is increased during cruise, so that the engine operates at a slower and more economical speed.
References in periodicals archive ?
China's controllable pitch propeller industry started late, and domestic propelling system which uses controllable pitch propeller is still in its infancy phase.
in conjunction with Doosan Heavy Industries, has been selected to supply controllable pitch propellers for the Republic of Korea Navy's new KDX III Destroyer program.
Each vessel will be powered by a Wartsila 50DF engine, a Controllable Pitch Propeller (CPP), a gearbox and related systems.
WEnrtsilEn recommends that ship owners consult with the propulsion original equipment manufacturers to confirm EAL compatibility for controllable pitch propeller systems.
These vessels are powered by 2 x 1068KW medium speed main engines driving Azimuthing Stern Thrusters with Controllable Pitch Propellers.
Bird-Johnson, a leader in the manufacture of marine controllable pitch propellers for more than 30 years, entered the fixed pitch propeller market in 1986.
8 metre controllable pitch propellers (CPP) and special render recovery winches.
has successfully developed Controllable Pitch Propellers (CPP).
For the 2011-2012 race, PUMA Ocean Racing has proudly partnered with BERG Propulsion, one of the world's leading designers and producers of Controllable Pitch Propellers for commercial shipping.
Rolls-Royce Naval Marine in Walpole manufactures controllable pitch propellers for naval and commercial ships and has the capability to design and manufacture state-of-the-art controllable pitch and fixed pitch propeller systems up to the largest sizes and highest power requirements.
Each vessel will be powered by four EMD 16-645-F7B engines driving two controllable pitch propellers and developing bollard pull of approximately 155 metric tons.
Long lead materials consist of items such as the main engines, generators, controllable pitch propellers, and reduction gears.