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Thread: Wing extension/flaps

  1. #1

    Join Date
    Sep 2019
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    Wing extension/flaps

    I ‘inherited’ a pa18 project. It has flaps with a clipped wing 28’. 0-290.


    1. What’s the possibility of extending the wing?

    2. Would it even be necessary with the flaps? I’m actually looking for stall speed specs.

  2. #2
    PerryB's Avatar
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    Aug 2007
    Chico, CA
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    If I'm envisioning your wing correctly, you'd basically have to get new spars and a few new ribs, and rebuild to original configuration. I would definitely take it back out to stock span. Eight feet is a LOT of lost wing area. I don't see a clipped 18 doing much of anything very well.
    After Monday and Tuesday, even the calendar says WTF !
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  3. #3

    Join Date
    Jan 2007
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    Did they change the strut attachment point? If so I would follow the above advice. If they have the stock strut attachment you should be able to add spar length as long as the splice is beyond the stock strut attachment point. Lots of bent spars laying around you could get 4-6 feet out of.

  4. #4
    skywagon8a's Avatar
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    Mar 2008
    SE Mass
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    Which end of the wing was clipped, inboard or outboard? If it was the outboard, just splice on a new section of spar using Piper's approved spar splice method. If the inboard end, there will be a lot of work involved including changing the angle of the strut fitting on the fuselage along with new struts.

    Farmboy has a clipped wing Wag -18 which matches your description.

  5. #5
    Steve Pierce's Avatar
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    Mar 2002
    Graham, TX
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    Sounds like a Clipper, Pacer or Tri-Pacer wing. Certified or experimental? Pictures?
    Steve Pierce

    Everybody is ignorant, only on different subjects.
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