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Engine Run Up Checks

Asked by: 1733 views Aircraft Systems, General Aviation, Private Pilot, Student Pilot

Why does the Oil Pressure drop when you coarsen the propeller?

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1 Answers

  1. Lucas on Dec 10, 2012

    Because some of the same oil that is used by the engine is released to the propeller to push the blades to a higher angle of attack, therefore decreasing the oil presure.


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