Here's a blast from the past- Ray's Propeller System Board
Don M
Posts: 1,652
I was cleaning shop and came across this. Free to anyone in the US via USPS rather than tossing it out. I don't have a use for it. Works. PM your address.
Comments
I should have done this earlier, but I did indeed send off the important PM to you @"Don M" .
Gregg sending it your way...