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Section Hours: 9.3 Section Status: In-Work


Page 3
Page 3, Step 1:  Cleco & match drill the main ribs to the spars.
Page 3, Step 2:  Final drill the hinge brackets to the main ribs & spar.  
Page 3, Step 3:  Countersink the holes in the doubler.
Page 3, Step 4:  Do all that same stuff above to the second pair of main ribs.
Page 3, Step 5:  Cut the stiffeners.

July 21, 2007:  While working on the fuel tanks I cut the stiffeners as filler between proseal periods.  Here are the 8 pre-punched sticks that make up the 32 aileron skin stiffeners.  These have to be separated and cut to their final shape (you can just barely see I've already measured out and drawn the cut lines)



Using the band saw I cut all the stiffeners, and then started deburring them on the scotchbrite wheel.  I only got through 9 of them before calling it a night though.
Page 3, Step 6:  Cleco the skins on to determine proper orientation, then disassemble.
Page 3, Step 7:  Final drill the stiffeners and the top skins.
Page 3, Step 8: Repeat above steps for the bottom skins.  Disassemble, debur and dimple the skins.  Prime the skins & stiffeners, and rivet the stiffeners to the skins.


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