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RE: Sealing Plexiglas
John: Thanks for the tip. I plan to use the Minwax I have. Additional
checking over the weekend shows no bad effects at all.
I am finishing the winding jig. Sorry, no lathe. But the jig is going well
and I hope to wind the secondary sometime before the weekend.
Unlike others on this list, I plan to build one coil and build it correctly.
It's use is planned for a local Haunted House for next October. Between the
noise and the sparks it should scare the %$&-at- out of the patrons (who will
be kept an appropriate distance by plexi sheeting and 2x4 walls).
Regards
Ted
Subject: Re: Sealing Plexiglas
Original Poster: FutureT-at-aol-dot-com
In a message dated 99-12-09 18:10:23 EST, you write:
<< Original Poster: Ted Rosenberg <TRosen1-at-Tandy-dot-com>
> Robert: I think you probably wore out the Spell Check Dictionary. But it
> seems I have some testing to do. Perhaps plain, old, (really not too old)
> varnish? I'm guess here folks.
> Has anyone actually sealed a secondary on Plexiglas with a 'material' that
> worked? if so, what and where and how much (US$ please). My head is
spinning
> more than the winding jig at this point.
> Ted >>
Ted,
I use a water based polyurethane coating called Carver Tripp Poly. I
think it comes in a shiny and a matte finish. I use the shiny variety.
It doesn't seem to ruin the plexiglas, at least not visibly. I bought a
quart can of it 9 years ago, and I'm still using the same can. I don't
remember what it cost.
Regarding all the concerns about different kinds of form materials, etc.
It depends on what you're trying to accomplish. If you a new coiler and
just want reasonable sparks, the nature of the coil form is the least of
your concerns. If you were trying to build a coil that will be the best in
the world, or give a tremendously long spark, or last "forever", or win a
prize for perfection, etc, then the form might be more important.
Probably the most important things are:
Be safe and have fun.
Holiday Cheers,
John Freau