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Thread: PA12 Adjustable Front Seat Options

  1. #1

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    PA12 Adjustable Front Seat Options

    What are the best options for modifying a PA12 front seat to allow forward and aft movement?

    The original seat position is fixed in place. As such, it doesn’t allow as much knee movement as I would like, especially since the plane has been converted to toe brakes. An adjustable seat would greatly enhance the plane’s utility by allowing pilots to position the seat to where they are most comfortable.

    I know some install a PA18 type seat base, but I haven’t been able to find clear photos of the mod and I was wondering if there is a better option available.

    Any pictures, sourcing, and/or advice would be helpful.

    Thanks.

  2. #2
    BC12D-4-85's Avatar
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    I had a previously installed C-180 seat in mine. Cessna seat rails on the floor and lots of cranks on the seat to make it fit anybody. Heavier than others probably.

    Gary
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  3. #3
    www.SkupTech.com mike mcs repair's Avatar
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    SA02418AK Installation of the Piper PA-18 Front Seat Base onto a Piper PA-12 series fuselage frame

    http://www.fadodge.com/documentation/stcs/

    think that will only be with -18 gear and truss removed

  4. #4

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    Thanks for the replies.

    Where can I get the parts to do the FAD STC? I looked at their website and, unless I missed something, it indicates STC only. Is this a mod that can be easily done or should I send the seat off to somebody like Mike or Javron?

  5. #5
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by Paul Heinrich View Post
    Thanks for the replies.

    Where can I get the parts to do the FAD STC? I looked at their website and, unless I missed something, it indicates STC only. Is this a mod that can be easily done or should I send the seat off to somebody like Mike or Javron?
    Atlee provides some of the parts. Welds into floor. Then mounts a pa-18 seat. Not simple on covered plane. Rebuild time project.


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  6. #6
    gntw's Avatar
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    Here is what my seat and toe brakes look likeClick image for larger version. 

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    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  7. #7

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    It shouldn’t be difficult to convert your seat pedestal to accept an -18 sliding seat.

  8. #8
    www.SkupTech.com mike mcs repair's Avatar
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    Quote Originally Posted by stewartb View Post
    It shouldn’t be difficult to convert your seat pedestal to accept an -18 sliding seat.
    Funny man....


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    Where do I get an 18 sliding seat?

    I had thought of using an aluminum rear seat from a Beaver and spacing widgets in 2 or 3 positions.

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    Javron? Cub parts are seriously expensive, I bought a wreck to get usable parts. Like a seat.

  11. #11
    Gordon Misch's Avatar
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    Quote Originally Posted by Paul Heinrich View Post
    Where do I get an 18 sliding seat?

    I had thought of using an aluminum rear seat from a Beaver and spacing widgets in 2 or 3 positions.
    Cert, or EAB? If Cert probably best to go with the STC. If EAB, your good ideas are the limit.
    Gordon

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  12. #12

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    I was serious about modifying a -12 seat. Here’s a pic of the Airframes Cub seat pedestal. The tracks are simple. It should be doable to chop the back off a 12 seat and add tracks to use a sliding seat.

    Click image for larger version. 

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  13. #13
    WhiskeyMike's Avatar
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    For my taste, I don't like Cessna seat rails as regards crash worthiness. 2 little prongs holding you in place? Same in sliding PA-18seat. Best to attach seat belt to the frame! FAD STC. We also used to wrap a cable around the front seat brace of the PA-12 to the frame, as the weak channels tend to break out of the 2 AN-3 bolts and the seat can tip over backwards when they get older and people get bigger. Happened to me on rotation during a banner pickup. (Obviously I regained control but it wasn't fun) Whenever we modified a PA-12 as a banner plane, we welded the seat in - back and down a little and well reinforced. Your milage may vary, but I try to... Keep It Sweet and Simple. It only has to protect you once.
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  14. #14
    Eddie Foy's Avatar
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    Cessna seat belts do anchor to the airframe. At least on my 69 C-180.

    Quote Originally Posted by WhiskeyMike View Post
    For my taste, I don't like Cessna seat rails as regards crash worthiness. 2 little prongs holding you in place? Same in sliding PA-18seat. Best to attach seat belt to the frame! FAD STC. We also used to wrap a cable around the front seat brace of the PA-12 to the frame, as the weak channels tend to break out of the 2 AN-3 bolts and the seat can tip over backwards when they get older and people get bigger. Happened to me on rotation during a banner pickup. (Obviously I regained control but it wasn't fun) Whenever we modified a PA-12 as a banner plane, we welded the seat in - back and down a little and well reinforced. Your milage may vary, but I try to... Keep It Sweet and Simple. It only has to protect you once.
    "Put out my hand and touched the face of God!"

  15. #15
    aktango58's Avatar
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    Quote Originally Posted by WhiskeyMike View Post
    For my taste, I don't like Cessna seat rails as regards crash worthiness. 2 little prongs holding you in place? Same in sliding PA-18seat. Best to attach seat belt to the frame! FAD STC. We also used to wrap a cable around the front seat brace of the PA-12 to the frame, as the weak channels tend to break out of the 2 AN-3 bolts and the seat can tip over backwards when they get older and people get bigger. Happened to me on rotation during a banner pickup. (Obviously I regained control but it wasn't fun) Whenever we modified a PA-12 as a banner plane, we welded the seat in - back and down a little and well reinforced. Your milage may vary, but I try to... Keep It Sweet and Simple. It only has to protect you once.
    seatbelts to the frame anyway, no questions asked!!
    I don't know where you've been me lad, but I see you won first Prize!

  16. #16
    flybynite's Avatar
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    Paul

    This is the FAD -18 seat STC install on my -12. I think you may be able to see the attach points to the frame. The STC offers two options for mounting the base. One with the truss removed and the other option with the truss remaining.

    Click image for larger version. 

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    Let me know if you need more detail and I can send you a bigger pic or a different view.

    Wayne
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  17. #17
    hotrod180's Avatar
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    Friend of mine put one of these sliders in his PA12 not long ago, it still has the original truss.
    Cessna Skywagon-- accept no substitute!

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