RE: Brass Corona Rings

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Yurtle Turtle <yurtle_t-at-yahoo-dot-com> 

Before shelling out $9 for the book, then investing
time and money building the thing, I'd try and visit a
commercial or industrial construction site and talk to
the electricians. You can probably bribe them into
bending your tubing for a six or twelve pack.

Adam

--- Tesla list <tesla-at-pupman-dot-com> wrote:
 > Original poster: "Daniel Kline"
 > <daniel_kline-at-med.unc.edu>
 >
 >
 >
 >  > -----Original Message-----
 >  > From: Tesla list [mailto:tesla-at-pupman-dot-com]
 >  > Sent: Tuesday, March 02, 2004 9:57 AM
 >  > To: tesla-at-pupman-dot-com
 >  > Subject: Re: Brass Corona Rings
 >  >
 >  >
 >  > Original poster: "Willem Bosma"
 > <wbosma-at-stud.tue.nl>
 >  >
 >  > Gerry,
 >  > Hard drawn brass tube has high internal stresses
 > which can be
 >  > relieved by
 >  > heating in an oven for an hour at a temperature
 > of about 300 degrees
 >  > centigrade under protective gas. Quenching with
 > oil or water
 >  > will barily
 >  > help softening because of its bronze nature.
 > Plumbers have
 >  > bending aparatus
 >  > for pipes, but I don't know to what diameter.
 >  > Wish you luck,   Willem
 >
 > I don't know how much trouble you want to go to, but
 > if I was
 > determined, this is where I would start...
 > http://www.lindsaybks-dot-com/dgjp/djgbk/pipe/index.html
 > Hope this helps,
 > Dan K.
 >
 >