Highest pressure in CPP hub at low pitch?

Discussion in 'Props' started by tsimon, Jul 27, 2012.

  1. tsimon
    Joined: Jul 2012
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    tsimon New Member

  2. jehardiman
    Joined: Aug 2004
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    Location: Port Orchard, Washington, USA

    jehardiman Senior Member

    Blade AoA is always highest at bollard (well...crash back for highly skewed blades), even when de-pitched. So therefor the blade moment (and so CP gear torque) is greatest. FWIW, most propeller sections are designed around blade moment and root bending at bollard, and some are installed with RPM limits in that (and crash back) condition to prevent blade failure.
     
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