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Thread: Could I see your trim tabs!

  1. #1
    Senior Member Kitfox Pilot's Avatar
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    Default Could I see your trim tabs!

    I need some right rudder in level flight and would like to see the different tabs you guys have installed on your rudders. Thanks in advance.
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  2. #2
    Senior Member
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    Default Re: Could I see your trim tabs!

    Take some aluminum and cover it with oratex and then use 3m adhesive to your rudder. Make the rudder tab long enough that you can bend it by hand to adjust it. Set it for how you fly most of the time because any other config will take rudder pedal. I did mine for full fuel and by myself so when on long flights I can set the autopilot and take my feet off the pedals. I can take a photo for you tomorrow. These planes are very sensitive to rudder. If I build again I think I would install an adjustable rudder trim.
    Dustin Dickerson

    Building 7ss STI x 2
    Oratex
    29" shock monster
    EP912STI 155hp
    Garmin
    N33TF......FLYING!
    N53TF......FLYING!

  3. #3
    Senior Member Kitfox Pilot's Avatar
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    Default Re: Could I see your trim tabs!

    I agree with very sensitive to rudder! Thanks for the trim tab info.
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  4. #4
    Senior Member jrevens's Avatar
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    Default Re: Could I see your trim tabs!

    This works well for me... I did paint it after testing and adjusting size.

    IMG_1038.jpgIMG_1044.jpg
    John Evens
    Arvada, CO
    Kitfox SS7 N27JE
    EAA Lifetime
    Chap. 43 honorary Lifetime

  5. #5
    Senior Member
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    Default Re: Could I see your trim tabs!

    This question comes up a lot when someone finishes and start flying their new Kitfox, Congrats Harlan! I did a history of my rudder trim journey back in 2008 with photos under a post started by Dave S. title "Rudder trim" on 10/22/2008 (post #5) but because I lack tech savvy I haven't figured out how to grab that post and move it here, little help here moderators. At any rate in summation, rudder trim like elevator trim is dynamic and I found one size doesn't fit all. Airspeed, power settings, airplane attitude etc . all obviously cause changes in rudder requirements . Especially if you have an autopilot, you need a way for absolute ball centered trim authority inflight or the plane will fly wing low to compensate for the yaw. Never liked having to weight a rudder pedal with my foot on a long cross country. Bruce N199CL

  6. #6
    Senior Member 109JB's Avatar
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    John Brannen
    Morris, IL
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  7. #7
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    Default Re: Could I see your trim tabs!

    I knew one of you smart guys would step up, Thank you John. Bruce N199CL

  8. #8
    Senior Member Kitfox Pilot's Avatar
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    Default Re: Could I see your trim tabs!

    Quote Originally Posted by jrevens View Post
    This works well for me... I did paint it after testing and adjusting size.

    IMG_1038.jpgIMG_1044.jpg
    1. That looks very nice and easy John. Thanks. Is there a specific location to put or not put a trim tab on an rudder?
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  9. #9
    Senior Member Kitfox Pilot's Avatar
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    Default Re: Could I see your trim tabs!

    Thanks John for linking that, and Bruce I really like your power trim. Wish I'd seen that while I was building. Thanks
    Harlan and Susan Payne
    Flying FarmFox STI Kitfox N61HP
    Rotax 915is, Airmaster prop.
    https://www.youtube.com/@KitfoxPilot/videos

  10. #10
    Senior Member jiott's Avatar
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    Default Re: Could I see your trim tabs!

    219.jpgThin piece of bent aluminum, attached directly to fabric with 3M double stick foam tape. Been on for 1050 hours with no sign of coming loose. Easy-peasy.
    Last edited by jiott; 04-12-2022 at 02:04 PM. Reason: add photo
    Jim Ott
    Portland, OR
    Kitfox SS7 flying
    Rotax 912ULS

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