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K rv
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Date: 7-28-2007
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Number of Hours: 0.00
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Manual Reference:
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Brief Description:
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Debur, Dimple, Prime - 4 hours
I deburred the VS skin today and then dimpled the skin and all the ribs. I was able to dimple the skin entirely by myself with the C-frame. I put the male die on top and the female die on bottom and removed the "return spring" on the C-frame. I then was able to put one side of the skin sort of under the table and dimple from the top. I used the pneumatic squeezer where possible to dimple, but had to use the hand squeezer in the nose area of some of the ribs, since I only have the longeron yoke and the 4" no-hole yoke for my squeezer.
I used Alumiprep and a scotchbrite to prepare all the surfaces for priming, and used Alodine on the rear spar doubler. Then I primed everything where there will be metal-metal contact, and primed the entire doubler.
VS Finished - 5 hours
Tonight dad and I finished the vertical stabilizer. It went together pretty smoothly. I think dad got over his fear of drilling rivets, because we had to do a few. The hardest part was putting the spars and ribs together. We squeezed all the rivets in the rear spar assembly. We decided to buck all the skin rivets - even the ones around the aft side. We had a few issues with the pneumatic squeezer here - the universal rivets in the rear spar were causing misalignment issues when squeezing the skin rivets, and we had to drill one out. Dad used the hand squeezer on all the skin/top rib and skin/bottom rib rivets, except for the two closest to the leading edge on the top rib, which I had to get with the pneumatic squeezer and the 4" no-hole yoke.
Now it's on to the rudder...
8/02/2007
Rudder stiffeners - 4 hours
Today I started work on the rudder. I pulled both skins out of the box and spent a few minutes getting all the super sticky duct tape off of them. I then studied the prints closely and marked which skin was the left and which was the right, as well as denoting which was the inside part of each skin.
After that dad and I spent the rest of the evening cutting the rudder stiffeners to size. All 16 st
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