Prop Fabrication by Rick Willoughby
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This graph shows the rate of blade twist. You can see that the rate of pitch changes about halfway down the blade.
 This image details how to twist the blades.
 This image shows how to trim the blades are create a welding jig.
This image details welding the prop to the hub. 
This image details welding the fastening nut, and the spinner washer. 
This image details grinding the wing profile 
Finished prop 

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