Re: Polishing Lexan or Plexiglass

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

Original poster: "Yurtle Turtle by way of Terry Fritz <teslalist-at-qwest-dot-net>" <yurtle_t-at-yahoo-dot-com>

I'd rethink this if it's not too late. While Lexan is
easy to work with and makes a beautiful primary, it is
VERY flamable. May not be a problem with a lower
powered coil, but check out what happens with primary
strikes:

Before:
http://www.hot-streamer-dot-com/adam/primary.htm

After: (halfway down the page)
http://www.hot-streamer-dot-com/adam/disasters.htm

Adam

--- Tesla list <tesla-at-pupman-dot-com> wrote:
 > Original poster: "Mark Broker by way of Terry Fritz
 > <teslalist-at-qwest-dot-net>" <mbroker-at-thegeekgroup-dot-org>
 >
 > After much thinking and internal debate, I decided
 > to make my next TC
 > primary base out of 1/2" thick Lexan and the primary
 > winding supports out
 > of 1/4" lexan.  The base will be 18" in diameter,
 > there will be 6 radial
 > supports for the primary winding (about 13 turns of
 > 3/16" copper tubing).
 > (3.5"x 18" secondary with 28AWG, 12/60 input, sync
 > triggered gap, GeekCap,
 > FWIW)  I'm wondering if there is any way to polish
 > the edges to
 > reduce/remove machining marks from the Lexan.  I
 > have only attempted fire
 > polishing with a blow torch once, and the results
 > were abysmal. :/
 >
 > Thanks,
 >
 > Mark Broker
 > Chief Engineer, The Geek Group
 >
 >
 >