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Help finding these in the plans

Chipper G

Well Known Member
Working on my QB and I am trying to figure out when to rivet these open holes. I know the two small holes are for the fuel tank attach bracket but I can’t seam to find the rivet callout for the bigger holes or when I should rivet them. Any help would be appreciated TIA
 

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I think they are countersunk bolts?
 

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I believe those are for countersunk screws. You can refer to the skin drawings for fastener callouts.
 
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You have the correct drawing and it identifies two different length screws to use for those holes. Looks like one bottom row hole should have a 1/8 in rivet installed.
 
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Thanks all. Any idea when they should be installed? I can’t seam to find it. I think they can go in now.
 
When to install

I installed those fasteners after I did final mounting of the landing gear, and when I had a helper to assist me!
 
I installed all the remaining fasteners in that area after the bottom forward skins were riveted.
 
They install in the forward bottom skin section page 8-40. It looks like you can install them now.
 

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