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Thread: Shoulder Width of fat body 18 compared to 18???

  1. #1
    Alex Clark's Avatar
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    Shoulder Width of fat body 18 compared to 18???

    Does anyone know offhand the should width at the front seat of a fat-body PA-18 verses a Stock PA-18?

    IS it the same as a PA-12 (33 inches at the front seat shoulder and 36 in the rear) or something different?

  2. #2

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    Fat-body is a relative term I tell my wife it is just winter emergency gear. Three types of fat cubs out now. 4 in wide body (that should be 4 inches wider). Airframes experimental 3 place (same as a 12 I believe). STC 4 place cub (wider than a 12). Call Airframes Gabe may have the real numbers in his head or can tell you who to call.
    DENNY
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    Alex Clark's Avatar
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    Odd that Air Frames 4 seat double wide is certified, but the 3 seat PA-12 type is not.

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    The 4 place is an old STC, Ron Sullivian if I remember right they just make the frame. The 3 seat is a newer project STC's take a lot of time and money.
    DENNY
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    Airframes widebody.Click image for larger version. 

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    Thanks for that, 4JJ. My Backcountry is within 1/8" of your widebody. I had wondered.

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    Bill Rusk's Avatar
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    Click image for larger version. 

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    Stock airframe.

    Bill
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  8. #8

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    As I stuff myself into a my standard width airframe, it reminds me of WalMart on a Saturday afternoon...
    Remember, These are the Good old Days!
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  9. #9
    Alex Clark's Avatar
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    Thanks for all the measurements. I was thinking that a AirFrames wide body would be more like a PA-12 in width. ( around 33 inches at the front seat back and 32 inches at the front of the door. ) but I guess not.
    Instructing from the back seats of regular width Cubs gets to be a pain with wide shouldered clients sitting up front. For years I sat up on cushions with my head twisted sideways up in the tubing.
    PA-12s work fine for instructing from the back seat, but they do not have the angle of incidence nor all the available STCs. Thus the idea for a wide body 18...

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