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RV-7 Construction Log
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Date:  2-4-2012
Number of Hours:  9.50
Manual Reference:  Section 6
Brief Description:  Rudder Assembly - Part 1

Started the day by dimpling all rudder stiffeners, and while I was at it, all the elevator stiffeners. Next, I backriveted the rudder stiffeners to the skins. I've never had good results with the backrivet plate on the workbench, so I did what works for me and set up in the floor. I have a 1/4" sheet of plywood with a cutout for the backrivet plate, and overlaid with indoor/outdoor carpet.

Next I countersunk the AEX rudder trailing edge wedge. I drilled and clecoed the wedge to a 1/8" thick galvanized steel angle. This angle appears to be bent by a brake which makes it much straighter than the cheaper choice, hot rolled steel angle, which had about one inch of bow over its 6-foot length. Counter sinking went well, with only very minor hole enlargement, as expected. I checked the countersinks with a dimpled 0.016 coupon, which sits flush with no lateral play.

Rivets for Part 1: 232
Rivets total: 1155
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Taping rivets in place for backriveting rudder stiffeners.

Taping rivets in place for backriveting rudder stiffeners.

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Countersinking the AEX rudder trailing edge wedge.

Countersinking the AEX rudder trailing edge wedge.

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Checking the countersink with a dimpled 0.016 coupon.

Checking the countersink with a dimpled 0.016 coupon.

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