Santa Clara County Model Aircraft Skypark

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Back plate for Tru-Turn spinner. G-38 flange is fitted with drive pins. This required drilling the prop. So having a machinist drill the holes for the drive pins in the backplate also provided drive surface for prop without need to drill prop. Also allows for positioning of prop. Center bore was filled with JB weld. Machinist cut inner bore to proper bolt hole size, creating permanent backplate bushing.
04.JPG 05.JPG drive.JPG P1.JPG P2.JPG
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