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Oil psi drops the higher I climb

in 912iS Technical Questions 6 years ago

  • Re: Oil psi drops the higher I climb

    by » 6 years ago

    Rob or Bill any thoughts here?

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

      
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  • Re: Oil psi drops the higher I climb

    by » 6 years ago

    I looked back at some of your pictures. Are these oil hose at least 13mm ID or are they smaller? The one in the picture looked small, but really hard to tell from the picture.

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

      
    Report

  • Re: Oil psi drops the higher I climb

    by » 6 years ago

    ... Bill any thoughts here?


    I am still waiting for the results of the check that the bottom metal plate in the Oil Tank is Domed Side Down.

    Also if you blow from the Oil Pump back to the Oil Tank, is the hose unrestricted?

    You might also try placing the Oil Hose from the pump into a container and pressurizing the Oil tank as if you were doing an Oil Line purge.
    I would think you should be able to empty the Oil tank in less than a minute with about 5psi of pressure.
    If you only get a dribble... there's your problem!

    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Clicking the "Thank You" is Always Appreciated by Everyone.

    Thank you said by: Roger Lee
      
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  • Re: Oil psi drops the higher I climb

    by » 6 years ago

    Hi Bill,
    Good ideas.

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

      
    Report

  • Re: Oil psi drops the higher I climb

    by » 6 years ago

    Have we been overlooking the obvious?
    Could it be the Oil Cooler is restricting the flow?
    Once the Oil has heated up, the Oil Thermostat is closed and is out of the picture and all the flow is through the Cooler.
    Remove the Oil Cooler and back flush it with Kerosene. See what comes out.

    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Clicking the "Thank You" is Always Appreciated by Everyone.

      
    Report
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