Tileflyer:
If you want to make something lighter than an alum. version..
Nut is G10 FG rod cut drilled & tapped, trued on drill press and then balanced on prop balancer. An 1/8" spacer washer used for this prop. White VHMW spacer same routine.
Works fine with the blue cone on Tower hd starter.
Word is tuna at the Bajo.