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Date:  11-10-2007
Number of Hours:  1.50
Manual Reference:  
Brief Description:  Trim Tab - 02 - Bending Tabs

- HAPPY BIRTHDAY DEVIL DOGS!!
- Created bending blocks for trim tab ends. They turned out to be too wide and didn't allow the tabs to overlap.
- Marked bend line on trim tab and applied carpet tape to hold blocks.
- Put bending blocks in trim tab and clamped to bench.
- Began to bend the tabs and realized despite all the planning and studying I was bending the wrong tab first. It actually was the correct tab to create a water shed to prevent water from rolling down the trim tab and into the part but the pilot holes to rivet the two halves together was wrong.
- I slightly bent the tab back and started bending the other side. It seemed to work at first but either I was missing the correct tab or hitting them both at the same time. I started to use the rivet gun with a mushroom bit and this did work until the bending block moved and messed up the part. The skin cracked and was bent in the wrong place...Ugghhhh!!!!!
- Ordered New Part from Van's. I needed some other stuff too (more MK-319-BS rivets, etc.), so no big deal.
- WHAT'S LEFT TO DO:
- ReDeburr new Elevator Trim Tab skin (when it comes in).
- ReFold trailing edge of Elevator Trim Tab skin.
- Recreate jigs to bend trim tab (The ones I made are too wide).
- Final drill and pop rivet trim tab.
- Drill spar, hinge and trim tab horns.
- Prep and prime parts.
- Attach trim tab to elevator.
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Marked bend line (backed off 1/32

Marked bend line (backed off 1/32").

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Put in a piece of double sided Carpet tape.

Put in a piece of double sided Carpet tape.

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Clamped bending blocks into place.

Clamped bending blocks into place.

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