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My propellor leaks, still

I have a unsolvable(?) propellor grease leak. The prop has been off twice and sent for reseal. The prop shop (Sensenich) says they cannot find any reason for the leaks... yet it streaks large amounts of prop grease all over the front of the plane and windscreen. It is not a small leak, 30 minutes of running produces and even coat of grease around the air inlets and on the windshield and wing roots. Its a original Beech 2 blade prop. Any motherhood on how to solve this issue short of replacing the prop with a new one? Resealing doesn't seem to be the answer.

Model: Bonanza M35
Posted 9/8/2023 - 5 months ago
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Unfortunately, lack of replacement parts is catching up to the 278's. A common place for these to leak is excessive clearance on the pitch change rods in the hub. Those rods have not been available for a long time, and lore has it that the FAA clamped down on efforts to re-size them through chroming, not sure of the accuracy on whether that was even a viable option.

Mike
ABS Technical Advisor

Posted 9/8/2023 - 5 months ago
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Look at the bright side, at least Dr. Agerton has the option of shopping for a replacement propeller. Those of us with earlier E series Bonanzas are stuck with either the original Beech electric prop or Hartzell hydraulic conversions. Good props, just OLD! Doc, give Jimmy Gaither a call at South Coast Propeller. He has a stash of vintage propeller parts and has had many repairs FAA approved (205) 426-7025.

Posted 9/8/2023 - 5 months ago
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My propellor leaks, still