Re: Saltwater Caps

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

Original poster: "Gregory Hunter by way of Terry Fritz <twftesla-at-uswest-dot-net>" <ghunter31014-at-yahoo-dot-com>

Hi Adam, All,

Good question!  Now that you mention it, the wine
bottle cap I built for the 15kv NST junk box coil was
made of clear glass bottles.  This was not by
design--just by chance.  Clear bottles were what was
available , so I bought them.  It never occurred to me
to worry about the color of the glass.  Of course, it
is my early success with this cap that has led me to
build successively bigger and more refined SWCs.  My
choice of bottle for the later SWCs is also
coincidental--they are what my favorite brew happens
to come in.

What is brown and green glass colored with?  Metalic
salts?  Could be!  That might explain why some coilers
find success with SWCs and others don't.  Perhaps
clear, colorless glass is superior!  Surely we have a
chemist on the list who can tell us about pigmented
glass.

Best Regards,

Greg
http://hot-streamer-dot-com/greg

> 
> Interestingly enough, it was a Seacor caps MMC (at
> 15
> kV) that has proven successful with my coil. Greg
> Hunter, on the other hand, (at 12 kV) had problems
> blowing his Seacor MMC, and ended up returning to
> beer
> bottle caps. However, he used clear glass bottles.
> 
> My question is this:
> Has anyone ever determined whether clear glass caps
> are better than brown glass caps? My limited
> knowledge
> of glass thinks that clear glass has less impurities
> than colored glass. Thoughts?
> 
> thanks
> Adam
> 
> =====
> Adam Minchey
> yurtle_t-at-yahoo-dot-com
> www.geocities-dot-com/yurtle_t/index.htm
> 
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