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Thread: Tri Pacer Rear Seat Harness Options

  1. #1

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    Default Tri Pacer Rear Seat Harness Options

    Short Wing Friends, your help is needed!
    To better protect rear seated passengers, I would like to install H or Y type shoulder harnesses.
    On this and other forums, I could only find info on front seat installations.

    Any ideas, tips and suggestions are very much appreciated.

  2. #2
    Administrator Steve Pierce's Avatar
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    Default Re: Tri Pacer Rear Seat Harness Options

    I think your best structural support would be the streamline tube that the seat sling is attached to. I believe it will be above most passenger's shoulders as well.

  3. #3

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    Default Re: Tri Pacer Rear Seat Harness Options

    Quote Originally Posted by Steve Pierce View Post
    I think your best structural support would be the streamline tube that the seat sling is attached to. I believe it will be above most passenger's shoulders as well.
    Thank you for the advice. Seems like a very plausible solution. Can I just buy any H-style harnesses available for the Tri Pacer and loop the shoulder straps around the said tube and a A&P mechanic sign-off?

    Do you know if this has been done before? Does some aftermarket supplier have an STC for mounting the harness to this tube.

    (I would still have to find a location for attaching the two lap belts in the center as currently it is a single belt for two passengers)


    Thank you very much again for the answer.

  4. #4
    Administrator Steve Pierce's Avatar
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    Default Re: Tri Pacer Rear Seat Harness Options

    Logbook entry. Look at this document and the AC 43.13-2B.
    Attached Files Attached Files

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    Default Re: Tri Pacer Rear Seat Harness Options

    Thank you very much!

  6. #6

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    Default Re: Tri Pacer Rear Seat Harness Options

    Still looking for Pacer and Tri Pacer owners to share their experience on rear seat harness installations.

  7. #7
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    Default Re: Tri Pacer Rear Seat Harness Options

    I took some time to work through this thread. I think there's something in there regarding rear seat install. Maybe I'm mistaken but I thought there was some discussion regarding the geometry of the rear seat area and optimal function of a harness...maybe somewhere along the lines of what steve mentioned above concerning most folks shoulder height?
    https://www.shortwingpipers.org/foru...oulder+harness

  8. #8
    Wag-builder's Avatar
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    Default Re: Tri Pacer Rear Seat Harness Options

    If you have the PA-22 parts catalog, go to section III, Figure 11, index 12. The Piper P/N for the rear seat Shoulder harness is 13129-05. The affected S/N is 22-2424 and up, so it is not new and should not be hard.

  9. #9

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    Default Re: Tri Pacer Rear Seat Harness Options

    Quote Originally Posted by 59pacer View Post
    i'm in europe at the moment, so i couldn't give you exact dimensions for another month, but generally speaking, i had brackets welded to the streamlined cross piece when the aircraft was being rebuilt.
    Then i made up two short lengths of 1/8" 7 x 19 cable with shackles at both ends.
    One end attaches to the bracket, then runs through a neat hole in the back panel of the 'parcel shelf' to attach to the y type shoulder harness.
    I had an aeronautical engineer look over the modification and he was happy.
    I can't see why you couldn't replace the welded bracket with a strap around the tube. Ac43 should give a number of options there.
    thank you for your help!👍😀

  10. #10

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    Default Re: Tri Pacer Rear Seat Harness Options

    Quote Originally Posted by Wag-builder View Post
    If you have the PA-22 parts catalog, go to section III, Figure 11, index 12. The Piper P/N for the rear seat Shoulder harness is 13129-05. The affected S/N is 22-2424 and up, so it is not new and should not be hard.
    Thank you so much. Will search!

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