Re: Rotary SG Safety

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

Original poster: robert heidlebaugh <rheidlebaugh-at-desertgate-dot-com> 

Yes......UV dose dammage plastics. The white PVC plastic arround my spark
gap quickly turns yellow and LDPE becomes brittel, so your question about
Lexan is valid. even teflon gets crumbly on the surface in time. I have not
tested  lexan . I suspect it acts like other plastics.
      Robert   H
-- 


 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > Date: Fri, 18 Jun 2004 12:51:28 -0600
 > To: tesla-at-pupman-dot-com
 > Subject: Re: Rotary SG Safety
 > Resent-From: tesla-at-pupman-dot-com
 > Resent-Date: Fri, 18 Jun 2004 13:02:19 -0600
 >
 > Original poster: "Malcolm Watts" <m.j.watts-at-massey.ac.nz>
 >
 > On 17 Jun 2004, at 17:08, Tesla list wrote:
 >
 >> Original poster: FIFTYGUY-at-aol-dot-com
 >>
 >> In a message dated 6/17/04 11:49:17 AM Eastern Daylight Time,
 >> tesla-at-pupman-dot-com writes:
 >
 > <snip>
 >
 >> Has anyone noticed bad effects from UV to the plastics used in
 >> coiling?
 >> Granted that the total exposure times are small, but at a RSG I bet
 >> the intensity makes up for it. With all the UV, vibration, electrical
 >> stresses, and ozone, are the plastics weakening? Especially with
 >> non-UV-stabilized/coated types?
 >>
 >> -Phil LaBudde
 >
 > That is a most interesting comment given that the Lexan shields on my
 > car headlights are showing various signs of deterioration due to
 > being out in the sun a lot. Crazing and discolouration are both
 > present.
 >
 > Malcolm
 >
 >
 >