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Re: Brass Corona Rings
Original poster: David Speck <dave-at-davidspeckmd-dot-org>
Gerry,
Shops that repair lamps and lighting items will stock brass tube in a
variety of sizes, though most of what I've encountered is hard drawn
brass. It might be possible to anneal it. I know you can soften copper by
heating it to a red heat and quenching it on water (works the opposite of
tempering steel). I'm not sure the same works for brass, it being an
alloy, but a metalworking reference might be able to help you out there.
Bending it into a ring without kinking it would be a challenge, though you
might be able to fill the tube with a hard wax, bend it around a wood
mandrel, and then melt out the wax. It may also be possible to fill the
tube with hard packed sand instead.
Just be sure to leave a gap in the ring to keep it from acting as a shorted
turn.
HTH,
Dave
>I'm looking to make a corona ring for my big 8x36 coil and I think it
>would look cool if it were made out of brass. Is there such a thing as
>soft brass tubing like the copper tubing that we use? I'm thinking 3/4 or
>1 inch diameter (minor) and making the ring 11 or 12 inches in diameter
>(major).
>
>Gerry R