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RV-7 Construction Log
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Date:  12-16-2012
Number of Hours:  5.20
Manual Reference:  
Brief Description:  Right Wing - Skins

Today I had planned on getting the top skins riveted onto the right wing skeleton. Right after I got the top skins clecoed on, I noticed that I hadn't installed the nutplates for the wing root fairing. I wanted to do this before riveting the skins so I could dimple them rather than countersink. On the top side, I drilled the seven screw holes out to #19, removed the skins, and deburred and dimpled the screw holes. I then re-clecoed the wing walk doubler, clecoed nutplates in place, and back-drilled through the nut plate rivet holes. After deburring, I re-clecoed the wing walk doubler and countersunk the nutplate rivet holes for NAS1097-3 rivets. After re-priming the skin, doubler, and rib, I riveted the nutplates in place.

I kind of hurried through this process, as I was expecting help from my riveting buddy. There must have been some miscommunicaton between him and me, as I had understood he was going to drop by after flying his RV-7, but he didn't show. Oh well, beggars can't be choosers...

To get some good out of the day, I went ahead and prepped the bottom side of the root rib and skin for its ten nutplates. I pretty much followed the same process as for the top, except that there is no doubler, so I countersunk the skin instead. Of course I'll wait until riveting the bottom skins to install these nutplates.

I had forgotten to torque the tiedown bar in place before riveting the leading edge yesterday, so I went ahead and took care of that. It turned out to be easier than I expected. I also installed seven of the rivets through the outboard top skin and main spar in the bellcrank bay, as access to them will be limited if I get around to installing the bellcrank brackets before my bucking partner comes by to help.

Rivets Today: 21
Rivets Total: 5757
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Top wing skins on for the last time. Or so I thought...

Top wing skins on for the last time. Or so I thought...

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Set up for drilling nutplates for the right wing root fairing.

Set up for drilling nutplates for the right wing root fairing.

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Countersinking the wing walk doubler for  NAS1097-3 rivets.

Countersinking the wing walk doubler for NAS1097-3 rivets.

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