Dear Chris,
Do you have access to a metalworking lathe and a drill press?
Use a two-inch diameter piece of Lucite rod, drill a 1/2" hole
about halfway through on one end.
Drill a #36 hole on one edge through to the 1/2" bore.
Drill a #25 hole just about halfway down.
Tap with a 6/32 thread, run a 6/32 set screw in.
15 minutes and you got a knob.
Hal
W4HBM
On Tue, 11 Jan 2005 12:11:24 -0800 "Chris" <rfcrazy@cox.net> writes:
> Any suggestions from the group on where I may find large control
> knobs
> for vacuum variable with ½? shaft?
>
> Thanks for any suggestions,
>
> Chris
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