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Thread: Tech Question

  1. #1
    Senior Member Steve Y's Avatar
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    Jun 2013
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    Indian Wells, CA
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    Default Tech Question

    Can someone explain the 35% ROP at top right for me?

    Thanks in advance.

    Steve
    Attached Images Attached Images

  2. #2
    Junior Member
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    Feb 2013
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    Charles Town, WV
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    Default Re: Tech Question

    Instead of one condition, could it be that it is reporting on two conditions? Maybe the first line is indicating that your engine is putting out 35% of rated power, AND second, you're running your mixture in the Rich of Peak side of the power chart.

  3. #3
    Senior Member Pete D's Avatar
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    Jan 2010
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    Yakima, WA
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    938

    Default Re: Tech Question

    You should have gotten a FlightDEK-D180 Pilot's User Guide in your box of goodies that came with the airplane. Also available on Dynon's web page under "Support" in PDF form. Here

    Refer to page 9-2 and you will see an explanation:

    "On some engines, when given the proper set of inputs, the EMS can also calculate percent power and lean-of-peak or
    rich-of-peak operation in real time. To do this, the EMS needs access to OAT, MAP, RPM, Altitude (from EFIS or GPS)
    and fuel flow, and be used on a normally aspirated engine that is close in performance to a “stock”
    Lycoming/Continental engine. This information is based on Lycoming and Continental power charts, is updated in real
    time, and is displayed near the manifold pressure gauge. The leaning information has three states, LOP, ROP, and PK
    (Peak). This information can be used to determine when it is safe to lean the engine, and if the current operating state is
    near peak or not. While this information is based on published charts, you should independently verify via manual
    leaning that this data matches your install and engine. "

    The power information is based off of a similar Lycoming engine as a setting for the 340 isn't available in setup. But it should be pretty close.
    Pete Dougherty
    R & D Shop Manager
    Cub Crafters Inc

  4. #4
    Senior Member Steve Y's Avatar
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    Jun 2013
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    Indian Wells, CA
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    Default Re: Tech Question

    Many Thanks Mr. Pete. I understand this to be then "Real Time Percent Power" basically. Another neat bit of Gee WiZ !
    What will they think of next…. (-:

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