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Buck's RV-8
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Date: 1-7-2015
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Number of Hours: 3.50
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Manual Reference:
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Brief Description: WIngtip lights; fuel vent lines; flap planning
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Did some minor projects this evening:
1. Fabricated the fuselage ends of the fuel tank vent lines that go between the tanks and the fuselage fittings. I made the bends and got them close to where they will be cut and flared on the wing end. The final connections will be made after the wings go on for the final time.
2. Completed the wingtip nav lights:
a. Bonded and screwed the R wing reflectors in place, then installed the light assembly itself.
b. Installed the nav light electrical connector in the R wing.
c. On the left wing, I had previously painted a black border on the outside of the lens to hide some very minor imperfections on the polycarbonate. A week ago, I found out that although the paint is very tough, it has a weakness that shows up when a piece of painter's tape touches it. Then it peels off fairly readily. Tonight, I had intended to re-mask and repaint the affected areas, but I decided to just peel off all the paint and install the lens "au naturale." So that's what I did. I screwed on both lenses, and they look fine.
3. The flaps will have an "up" microswitch that will cut off the flap motor before the mortor housing touches the underside of the aft armrest. But it has no "down" microswitch. The motor reaches the end of its travel and just stops. However, I am not totally pleased with how far the flaps are extended when this happens. They are down too far, and are too close to "running out of skin," so to speak. I spent some time looking at shortening the pushrods and/or raising the upper attach point of the motor arm. I'll try the pushrod route first, But I now have a backup plan in case I can't get enough of an improvement.
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L wing fuel vent line, intitial fit.
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My multi-racial pair of wingtips, ready to be installed at last.
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