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Vibration

in 912 / 914 Technical Questions 7 years ago

  • Re: Vibration

    by » 7 years ago

    Thanks Roger. Will check for any air leaks and resynch!
      
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  • Re: Vibration

    by » 7 years ago

    Wow... thanks for the lead on a possible cause!
      
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  • Re: Vibration

    by » 7 years ago

    Mr David Bird , when available could you please send me a picture of your damage prop shaft
    thank you
    Phil
    casair@cooptel.qc.ca
      
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  • Re: Vibration

    by » 7 years ago

    Hi David,

    That erosion looks like a lot of water and or acidic reaction because of 100LL lead in the oil and moisture?
    How many hours on that engine and where does it live and is it always hangared?

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
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  • Re: Vibration

    by » 7 years ago

    Negative Roger, never had any sign of condensation in oil, never use avgas, vibes started at around 1000 hours, always hangered in desert enviroment.

    Note, once this eroded shaft was discovered i condemed the engine.
    Alot of shaveings through the hole unit.
    One of those" could only happen to me" things.
    Iv done over 7000 hours on 912/914 engines and never had an issue cept for this ne.
      
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