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Thread: 912UL fuel burn

  1. #1
    84KF
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    Default 912UL fuel burn

    912UL operators.....
    What are your typical fuel flows/burns at various rpms?
    Say like 3500, 4000, 4500 and 5000 rpm. Something like that.
    I'm still playing with the new flow meter and I like what its showing, but I'd like to get some feedback before I post any numbers.

  2. #2
    Administrator DesertFox4's Avatar
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    Aug 2008
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    Arizona
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    Steve, from memory now, my model 3 with a 912 would burn right at3.8 gals. at 5500 rpm.
    5000 would show 3.2 gph
    4000 2.5 gph
    3500 1.8 gph
    I never ran the 912 continuously between 4500 and 4800 rpm. so can't give you a gph for that range. The 912 is extremely kind to your pocket book as far as gallons burned per hour. My 912S will easily burn 5.5 to 5.8 gals per hour at a setting of 5500 rpm. Full throttle and 7 gph will be relieved from my tanks.
    By the way my old model 3 is still going strong at 1850 hours and at last annual the new owner called me a said his A & P showed 80/80 on all 4 cylinders.
    Great engines. Best of luck with yours

    Steve Kellander
    Desert Fox Squadron
    Phoenix, AZ
    Model 4 nose gear, widebody
    Rotax 912 S Ivo prop
    625 hours and counting

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