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RV-7A Construction Log
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Date:  1-14-2009
Number of Hours:  1.00
Manual Reference:  
Brief Description:  Main Skins - Top Skin Scarf Joint 1

I'm back to the main skins. LEs and Tanks are installed. Time to finish the main skins. I've gotta make the scarf joint, roll the overlaping edge a bit, dimple, prime, and rivet. But before I rivet them on I'll be installing the pitot bracket.

The instructions seem pretty short and simple for making this scarf joint. I read a bunch on other people's sites and there seems to be a lot of thinking about this. I just followed the simple directions and I think it turned out just great.

I taped off the overlapping triangle and used my sander to shave down the skins. I worked from edge inward which made the edges thinner. I measured with my calipers to make sure I didn't go below .030 thinkness.
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Taped in preparation for sanding

Taped in preparation for sanding

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Sand from outside in

Sand from outside in

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Pair of scarfs

Pair of scarfs

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