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Rib Stitching

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29 Apr 2021 09:04 #1 by Kevin Gassert
Replied by Kevin Gassert on topic Rib Stitching
What do you mean the 337 comes with the material? Did they add the Ercoupe to the AML or did they send an example 337 from a previous approval?

Thanks,
Kevin

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29 Apr 2021 05:34 #2 by Dale Kohler
Replied by Dale Kohler on topic Rib Stitching
The 337 comes with the material order.

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10 Oct 2020 20:35 #3 by Kevin Gassert
Replied by Kevin Gassert on topic Rib Stitching
Did you get a field approval for your Oratex wings? I would like to do this also so if I could get a copy of your 337 that would help me get my approval.

Thanks,
Kevin

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10 Oct 2020 20:32 #4 by Kevin Gassert
Replied by Kevin Gassert on topic Rib Stitching
The ribs are not stitched. They are screwed. The tailing Edge is laced. The process is showed in the maintenance manual.

Kevin

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13 Jul 2020 06:57 #5 by Dale Kohler
Replied by Dale Kohler on topic Rib Stitching
That information discribes application of the covering stoping at the trailing edge of the wing.
There, the material has to be stitched no matter what the material is. Current practices, where material is wrapped around the edges and anchored, this is current materials practice. That is what I have found, from restoriers that I have talked to so far.
I am not arguing, I am trying to clarify what others are doing.

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11 Jul 2020 00:02 #6 by Matt Gunsch
Replied by Matt Gunsch on topic Rib Stitching
mine are metal wings.
CAM 18 is the repair and maint specs from the CAA days, it was superseded by AC 43.13. I have a copy in the files section of the Ercoupe Discussion Group on facebook

A&P, IA, PPSEL
30+ years GA and Warbird Maint
Check out the Ercoupe Discussion group on facebook

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