paulkish
old fart
I found this site where it appears they sell new uncut blank rotary valves.
https://www.speedparts.co/parts/komet-b-bomb-blank-rotary-valve
I'm not asking about what shape to cut it into but how to physically cut it?
What tools are used to cut it?
https://www.speedparts.co/parts/komet-b-bomb-blank-rotary-valve
I'm not asking about what shape to cut it into but how to physically cut it?
What tools are used to cut it?