Description
An adjustable propeller (also known as an adjustable-pitch propeller) is a type of aircraft or marine propeller where the pitch (angle) of the blades can be manually or automatically adjusted during operation. This allows for more efficient performance across various flight or cruising conditions.
Key points:
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Efficiency: It optimizes the engine’s performance by adjusting the blade pitch to match the changing speed and load conditions, improving fuel efficiency and overall performance.
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Types:
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Manual adjustable propellers: The pitch is adjusted by the operator, typically before takeoff or during cruise.
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Constant-speed propellers: These adjust the pitch automatically to maintain a constant RPM as the aircraft or boat changes speed or load.
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Applications: Commonly used in aviation (particularly in general aviation aircraft) and in marine vessels, especially where varied conditions require flexibility in power delivery.
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