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Date:  2-15-2017
Number of Hours:  10.00
Manual Reference:  
Brief Description:  Flap Drive and Wing Fold Mechanism

I asked one of my neighbors over to help me install the wings to enable clean up of a few details.

I had removed the upper wing spar guides for painting, so they were readjusted to allow the locking pins to slip into place easily.

With the wings pinned in place, the flap handle locked in the flaps up position, and the flaps against their up-stop, the junctions of the flap drive assembly and the flap drive arms were drilled. A small drill fixture was fabricated to insure the hole was drilled through the centerline of the assembly with a #40 drill first, followed by a 3/16” drill, then a 3/16” reamer. After deburring, the hardware was installed, and the flaps checked for proper operation.

The left wing fold tripod was mounted, a couple of ¼” I.D. spacers were fabricated and installed on the inboard side of the universal joint, and the outboard side was coupled to the aluminum tube previously installed in the wing.

The wing was pulled out to test the fold mechanism, and it operated well.

I expect to install the right wing folding mechanism tomorrow.
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Used Fixture to Center Hole on the Flap Drive

Used Fixture to Center Hole on the Flap Drive

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Finished Flap Drive Coupling

Finished Flap Drive Coupling

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Completed Left Wing Fold Mechanism

Completed Left Wing Fold Mechanism

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