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Hi,
A man after my own heart!
A machine shop can melt together ideas, nicely, when standard tooling is incorporated.
I can see where using the piece of raw stock would greatly facilitate combining the two threads.
I’m curious how long was the scrap piece was, as you didn’t need all that much.
I didn’t quite the follow the first adaptation of how the center of a 1/4 FNPT fitting held the 3/8” bolt diameter, head or no head, without welding the two. The base opening or tap drill size is a 7/16” diameter.
From the way I understand it, you drilled and tapped the one end of the aluminum stock with a I/4” NPT.
Did you turn down the other end for threading a 3/8”-16 male thread with a small hole in it or tapped out the Aluminum body’s base for the 3/8-16 threaded bolt and still use it with the copper washer as a seal?
Either way it’s a neat package, so neat, I hope you don’t misplace it, like I do things and forget what the heck did I make that for?
A word of advice I’ll share, is to attach a note to it and keep it with the Port-a-Power unit. (An old term used among mechanics over the years with out branding attached so much!)
The adapter cannot be used without the pump.
Thanks for sharing your experience with “unlocking” the overdrive mechanism!
Phil
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