Manifold Pressure vs. RPM: What’s the Difference?
Pilot Institute
JANUARY 21, 2025
The pitch lever (blue lever) adjusts the propeller blade angle to control RPM. Fixed Pitch Propeller With these propellers, the blade angle remains constant and cannot be adjusted during flight. RPM shows how fast the engines crankshaft and propeller spin. Increase the throttle, and both the MP and RPM rise.
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