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Thread: Trim actuator cable

  1. #1

    Join Date
    Nov 2012
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    Battle Creek, Ne
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    165

    Default Trim actuator cable

    Hello everyone, I notice my last flight, that trim indicator was not moving when I went up or down with trim motor (jack screw works fine). I found the cable caught and bound up the nylon tube. I cut out the bad and reattached to fittings. Should I put a cable lube into the nylon tube??? What kind??

    Thanks Patrick
    Kitfox series 6, trigear 100 hp

  2. #2

    Join Date
    Nov 2012
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    Battle Creek, Ne
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    165

    Default Re: Trim actuator cable

    Has anyone else had problems with the cable binding up. It was installed per instructions.

  3. #3
    Senior Member
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    Feb 2011
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    Dupuy,Qc
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    309

    Default Re: Trim actuator cable

    I found this ...https://www.aircraftspruce.ca/catalo...lickkey=779091

    It is a cable lubrification kit for 26$ ...it is can prevent a other problem..


    Jf

  4. #4
    Senior Member
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    Feb 2011
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    Dupuy,Qc
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    309

    Default Re: Trim actuator cable

    My friend use that kind of produc for his bike..Honda CRF

  5. #5
    N981MS's Avatar
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    Dec 2012
    Location
    Dexter, GA
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    161

    Default Re: Trim actuator cable

    While I was building I had an award winning builder suggested I not bother putting it in stating his was either nonfunctioning or unreliable. I did not put it in. Here is the logic.

    You only really need to visually know where the trim is before takeoff. I turnaround and look. Therefore I KNOW where it is trimmed. I am not depending on a mechanical device which obviously can fail. If it can fail how much do you trust it? Will you feel the need to look back and check anyway? If you do, you did not need the device in the first place. Once flying you let stick pressure be your guide.

    As a caveat, as I get older turning around to look is not quite as easy as it used to be. I still would not put it in.

    If you can't get yours lubed and working - take it out.
    Maxwell Duke

    Kitfox S6 IO-240 Built it (Flying since 2003)
    Maule M7-235C Sold it (liked it though)
    RV-10 IO-540 Bought it
    Zenith CH-750 Built with 7 friends (DAR Vic Syracuse)

  6. #6
    Senior Member jiott's Avatar
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    Jun 2010
    Location
    Portland, OR
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    2,960

    Default Re: Trim actuator cable

    Here's what I do since I did not put in a trim indicator:
    After I have landed, or part of the checklist before takeoff, I run the trim to full nose down (you can tell by watching the stick with your hands off-it moves slowly then stops). Then I push nose up trim and count to two (one thousand one, one thousand two). This puts the trim in perfect takeoff position without looking. Works for me.
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

  7. #7

    Join Date
    Nov 2012
    Location
    Battle Creek, Ne
    Posts
    165

    Default Re: Trim actuator cable

    Good info I may do that!!! Thanks of course when in the air I adjust according to stick pressure!

    Patrick series 6

  8. #8
    Senior Member Maverick's Avatar
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    Mar 2017
    Location
    Phoenix
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    295

    Default Re: Trim actuator cable

    So, is the consensus to not put in the trim indicator? I did not put it in my first KF5 but, I thought I might do that this time. However, I did not miss it in the first plane and in looking in the S7 build manual, I do not find a reference to it. Does Kitfox even address this in the newer kits?

  9. #9
    Senior Member Esser's Avatar
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    Jul 2011
    Location
    Edmonton, AB
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    2,048

    Default Re: Trim actuator cable

    It’s an option that I did not order.
    ------------------
    Josh Esser
    Flying SS7
    Rotax 914iS
    AirMaster Prop

    Edmonton, AB, CWL3

  10. #10
    Senior Member
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    Jul 2011
    Location
    milwaukee wi
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    490

    Default Re: Trim actuator cable

    It is nice to have them just before takeoff.

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