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  • Re: Carb sync for beginners

    by » 10 years ago


    So I'll check wire tomorrow.
    By leaning idle mixture i solved problem with changing vacuum readings when changing throttle from idle to wot.
    Now engine isn't shaking and work smooth in all throttle range. If it's not affecting engine at 4200-4500 rpm so it shouldn't be a problem (I think).

    Elevation is 200ft amsl.

  • Re: Carb sync for beginners

    by » 10 years ago


    I checked wires today. I can't find anything..
    I made today short flight an in flight temperatures have still big spread.

    I checked on 4300 and 5000rpm
    http://youtu.be/f9nXzW0bVuE
    https://www.youtube.com/watch?v=2NgcfZSHomk&feature=youtu.be

    Temperatures looks stable, oscylating for about 1-2 *C on EGT's.
    Oil pressure is no stable and maybe it's not good pressure sender - not affecting egt.

  • Re: Carb sync for beginners

    by » 10 years ago


    Nothing wrong with 780c (1436F) and 765c (1404F) EGT temps. That spread is perfectly normal. Some people's temps my be 50F lower or higher depending and several factors, but all are in the normal range. Some engine Temps will be changing with the changing of the weather this time of year.

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


  • Re: Carb sync for beginners

    by » 10 years ago


    780 and 765 its only 15*C - its ok but 767-682 (first movie, right side) is 85*C spread - it's normal?

  • Re: Carb sync for beginners

    by » 10 years ago


    Your EGT's move around so much it leads me to believe it is electrical in nature and not a real EGT moving so fast and with such a spread. Could also be a probe going bad.

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


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