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Thread: Coolant and Oil

  1. #11
    Senior Member jiott's Avatar
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    Default Re: Coolant and Oil

    Yes Steve you are a rebel alright, but whatever floats your boat. But how do you accurately check oil level in the tank during preflight if you don't burp the engine? I suppose you will say preflight is for old ladies.
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

  2. #12
    Senior Member Slyfox's Avatar
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    Default Re: Coolant and Oil

    I always check the oil after flight. kind of backwards, but it works.

    with that being said, I've never had to add any oil in a rotax. now my lyc in the rv. that's another story
    steve
    slyfox
    model IV 1200-flying
    912uls
    IVO medium in-flight
    RV7A-flying
    IO-360
    constant speed prop

  3. #13
    Senior Member Esser's Avatar
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    Default Re: Coolant and Oil

    Next question, with the aluminum rad and a heater core, how much coolant will it take? 2 jugs enough?
    ------------------
    Josh Esser
    Flying SS7
    Rotax 914iS
    AirMaster Prop

    Edmonton, AB, CWL3

  4. #14
    Senior Member jiott's Avatar
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    Default Re: Coolant and Oil

    One gallon jug is plenty of the premixed.

    Still curious Steve, after a flight I still find I need to burp to get an oil fill reading.
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

  5. #15
    Senior Member Slyfox's Avatar
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    Default Re: Coolant and Oil

    mine has always shown full.
    steve
    slyfox
    model IV 1200-flying
    912uls
    IVO medium in-flight
    RV7A-flying
    IO-360
    constant speed prop

  6. #16
    Senior Member jiott's Avatar
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    Default Re: Coolant and Oil

    One further question Steve, with your Model IV high mounted oil tank what keeps all the oil from draining back to the sump the moment you shut off the engine?
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

  7. #17
    Senior Member Slyfox's Avatar
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    Default Re: Coolant and Oil

    I knew you were going to ask that. I have an oil thermostat that I got from lockwood years ago. I mounted it on top of my gear box. believe it. it keeps the oil in the tank. unless I don't fly for a couple weeks it stay up at the lower line pretty much all the time. have checked oil before flight which I still do a lot. not an old woman am I.
    steve
    slyfox
    model IV 1200-flying
    912uls
    IVO medium in-flight
    RV7A-flying
    IO-360
    constant speed prop

  8. #18
    Senior Member jiott's Avatar
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    Default Re: Coolant and Oil

    OK, interesting. Now we have "the rest of the story". Thanks for indulging my curiosity.
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

  9. #19
    Senior Member Slyfox's Avatar
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    Default Re: Coolant and Oil

    the rest of the story being, my oil level doesn't go down very much between flights, hay wait I fly a bunch.
    steve
    slyfox
    model IV 1200-flying
    912uls
    IVO medium in-flight
    RV7A-flying
    IO-360
    constant speed prop

  10. #20
    Senior Member jiott's Avatar
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    Default Re: Coolant and Oil

    I fly a bunch too and I used to put in about 1 cup between 50 hr oil changes. Then I had 15 minutes of overheating when I lost my old copper radiator; ever since then I never add any oil between changes. Guess I finally had a good engine break-in.
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

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