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RV-9A: Project Entry

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The mysterious vernier control

Why mysterious? Because I don't know Jack about them. None of the airplanes I have flown had one. First off, the instructions say to remove the button from the center of the knob to disable it's ability to "let go" of it's current setting. Sounds like a mental disorder remedy. The instructions also say to "Pry up the rubber button with a small screwdriver". I tried and tried to do this and couldn't do anything except put scratches on the outer plastic knob. So I just cut the damn knob off with my pocket knife. Just as I did, the knob spilled it's guts (or gut) and the buttom rod fell out. I immediately thought "Oh crap, I broke it!". Nope, that's just what needed to happen.

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