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How to Rivet Lower Skin On - Wing Orientation and Sequence

jackking123

Well Known Member
Patron
I am ready and have wings in JIG, verticle, with NOSE up, trailing edge down.

What is the BEST way to position of wing for riveting lower skins on?

I noticed some position wing vertical and nose down and trailing edge up.

The instructions are clear ish. Start from inboard skin rear spar and work up and inboard. Than do outboard skin similarly, with lap splice last.

If someone has a MAP of the sequence of lower skin riveting that would be great?

If you have 3 ft long skinny arms, small hands but with a grip like an ape, expert bucking bar'er, not doing anything tomorrow let me know... ha ha. Kidding I am buttering up the usual suspects.
 
Leading edge up. Start inboard/aft corner and work im an "L" pattern toward leading/outboard corner.
Two people works best. I'm short.
I fabricated a wood shim for the trailing edge rivets along the rear spar. It was taped to the bar. It positioned the bar face perfectly so the rivets would set without clinching.
Make a lanyard for the bar and secure it to your wrist. Nothing worse than droppig the bar.
 
I did leading edge down. Working around the skins would be more difficult with the leading edge up I think. My 9 wing has less depth to deal with than the 7, but I would imagine similar approaches work for both. I started in the middle of each skin and worked my way out, doing 3 or 4 rows of rivets at a time. I was able to do all riveting myself.

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I just did the inboard bottom skins last weekend with a buddy. They were in the cradle leading edge down. It wasnt too bad all together, i was on the bucking bar and he was on the gun.
 
I did the bottom wing skins on my -14 last week. Leading edge down. I did the riveting myself. Wasn't that bad but it took a while.
 
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