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RV-7 Construction Log
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Date:  3-14-2012
Number of Hours:  1.10
Manual Reference:  p 6-13
Brief Description:  Trim Tab Hinge

Tonight I riveted the forward half of the trim tab hinge to the elevator. I was able to buck all but the three most outboard rivets in the trim tab hinge. For the rest I used the no-hole yoke with a 1/2x12x1/8 square of steel taped to the end to keep from distorting the hinge eyelets. I had used the same shape to back up the yoke for the aft half of the hinge, but it dented too easily to use again. After riveting the hinge, I drilled out the four holes on top and bottom of the trim spar outboard of the trim tab to 7/64 and blind riveted.

Checking the operation of the trim tab, there was a very slight interference between the bottom forward edge and one trim spar rivet on the elevator. I put a few degrees upward bend in the section of skin forward of the trim tab spar, and in now has full, interference-free travel.

Rivets this Session: 23
Rivets Total: 2180
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Bucked all but the outboard three rivets on the forward half of the trim tab hinge.

Bucked all but the outboard three rivets on the forward half of the trim tab hinge.

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Left elevator complete except for rolling the leading edges.

Left elevator complete except for rolling the leading edges.

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