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Sid & Houston Mayeux Project
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Date: 10-11-2014
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Number of Hours: 1.50
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Manual Reference: prop
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Brief Description: Prop Spinner Installation, part 1
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My brother-in-law Tony Malley came out out help me conduct final alignment and install on the prop spinner. We mounted and clamped the spinner to the front/back plates, and used a pencil clamped to a step ladder as an alignment reference. However, unlike the typical technique of pointing the pencil at the spinner's front-center reference, we set the point of the pencil on the spinner's top surface about 3 inches back from the tip. Reason: Every time we pushed the prop to rotate it, the entire aircraft moved, messing up our pencil/spinner alignment. With the pencil point sitting atop the spinner, we now watched the gap between the pencil and the spinner. If the spinner wasn't aligned, it would push the pencil upward on one side of its rotation, but a gap appeared on the other half of the prop rotation. We would then turn the prop until the gap was at its greatest, adjust the spinner 1/2 way toward the pencil, readjust the pencil to touch the spinner, then rotate it again. We did this repeatedly until the pencil stayed in contact with the pencil.
Satisfied that the spinner is centered, we drilled through the spinner to the screw holes in the front/back plates.
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Hey, it looks like an airplane!!
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