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Thread: Kitfox S7 trim assist spring size

  1. #1

    Join Date
    Nov 2017
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    Default Kitfox S7 trim assist spring size

    Can anyone who has the series 7 trim assist spring system please let me know the spring measurements and wire size please.

  2. #2
    Senior Member Eric Page's Avatar
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    Jun 2020
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    Toledo, WA
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    Default Re: Kitfox S7 trim assist spring size

    My plane is a Series 5, but I can't imagine there would be any difference in the springs supplied for Series 5, 6 or 7 assist kits. Perhaps someone with a Series 7 can confirm similar measurements.

    The overall length of the spring is 5.25". The coil section, excluding the end hooks, measures 3.875" long and 0.75" in diameter. The wire measures 0.107" in diameter.

    Spring.jpg
    Eric Page
    Building: Kitfox 5 Safari | Rotax 912iS | Dynon HDX
    Member: EAA Lifetime, AOPA, ALPA
    ATP: AMEL | Comm: ASEL, Glider | ATCS: CTO
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  3. #3

    Join Date
    Nov 2017
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    Swadlincote uk
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    Default Re: Kitfox S7 trim assist spring size

    Quote Originally Posted by Eric Page View Post
    My plane is a Series 5, but I can't imagine there would be any difference in the springs supplied for Series 5, 6 or 7 assist kits. Perhaps someone with a Series 7 can confirm similar measurements.

    The overall length of the spring is 5.25". The coil section, excluding the end hooks, measures 3.875" long and 0.75" in diameter. The wire measures 0.107" in diameter.

    Spring.jpg
    Thanks Eric, a great help.

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