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Thread: % power IO-360

  1. #1

    Question % power IO-360


    has anybody figured out the correct % power values for an IO-360 180+h.p. with electronic ignition and horizontal induction?
    i'm trying to use a lycoming IO-360-M1B chart as a reference from the operators manual as the best i could find, but it is overly complicated to "reverse engineer" as it was meant to be used in the other direction.

    i'm aware that it will be impossible to find a chart for our exact engine config: TMX-IO-360 with ECI cold air induction, ECI fuel injection, 1 mag, 1 pmag.

    thanks for pointers,

  2. #2
    John Goldsmith was kind enough to share his data-mining work.

    feel free to reuse.

  3. #3
    Thanks for sharing John and Bernie!


  4. #4
    Thanks for the INFO

    Rush McKelvey

  5. #5
    Quote Originally Posted by View Post
    John Goldsmith was kind enough to share his data-mining work.

    feel free to reuse.

    Hopefully, this will work with a Superior XP-IOF-360 as well. Almost anything beats seeing 40% on takeoff!

  6. #6
    Does anyone have a similar spreadsheet for the IO-390?
    John Kazickas
    Sands Point, NY
    Glasair Sportsman N9GZ

  7. #7
    And maybe one for the IO360 200HP Angle valve TIA Don VS

  8. #8
    Junior Member
    Join Date
    Mar 2010
    Sydney, Australia
    Does anyone out there have the % power figures for an IO390EXP?

  9. #9
    I have a power table from Lycoming for the 390 and tried to convert this. But the result was not good.
    Can anybody give me some help to find the proper numbers


    Lancair LNC2 OE-VCM

  10. #10

    % power IO-390

    Here are my % power settings for the IO390.
    Make sure there are no empty set points. This was my problem for a long time...


    Name:  HP-settings-io390.jpg
Views: 992
Size:  78.1 KB
    Lancair 390 OE-CCM
    AFS 4500EEA - AFS Pilot
    Austria / Europe

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