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Rib Stitching

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13 Jul 2020 06:57 #2851 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 #2847 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CAM 18 is the repair and maint specs from the CAA days, it was superseded by AC 43.13.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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09 Jul 2020 20:44 #2845 by Dale Kohler
Replied by Dale Kohler on topic Rib Stitching
Matt,
Do you have fabric covered wings?
Are the trailing edges stiched on your plane, if it is fabric?
What is Cam that you are refering to?
Thanks.

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06 Jul 2020 13:36 #2840 by Matt Gunsch
Replied by Matt Gunsch on topic Rib Stitching
for the spacing and tie off distances, that would have been laid out in CAM 18, which should be the same as AC43.13

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

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05 Jul 2020 19:58 #2839 by Dale Kohler
Replied by Dale Kohler on topic Rib Stitching
That is what I said, as the oem specified.

My question, is to whom ever reads this, is your wings rib stitched?
Just a overall question to what ever system is used. I know it is required.

I am amazed that the time frame 1967 to 1994 no one notice that these wings where not stitched.
Also, the service manual does not specify how often you should tie off. Unless I missed it.

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05 Jul 2020 18:39 #2837 by Michael Hainen
Replied by Michael Hainen on topic Rib Stitching
The following is from the Q&A section of the Oracover 6000 site.

Is rib stitching required?
That just depends on the requirements as set forth by the designer of your aircraft. If the plans call for rib stitching, then you must rib stitch. If the plans call for rivets, you will use rivets.

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