Re: MMC or Maxwell? Which is better?

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

Original poster: humanb-at-chaoticuniverse-dot-com 

Hi Bert, thanks for posting this info. I remember now
that I just missed out on Scott's group buy, and
ordered mine on my own just before the failiers. My cap
took some time to come and when I enquired I talked to
a engineer about the failiers, and he told me thet they
had to redesign my cap. Thus the delay...

Regards,

David Trimmell

On Sun, 29 Feb 2004 19:05:45 -0700, "Tesla list" wrote:

 >
 > Original poster: Bert Hickman
<bert.hickman-at-aquila-dot-net>
 >
 > Hi Terry,
 >
 > I had one of these CP caps explode in my lab when
 > testing it for Don
 > Froula, a local coiling friend, back in 1996. It
 > created a loud bang, and a
 > ball of yellow flame exited, creating one heck of an
 > oily mess to clean up
 > afterwards. The wife was not amused. The posting and
 > discussion can be seen
 > in the archives from 1996:
 >
http://www.pupman-dot-com/listarchives/1996/october/msg00169.html
 >
 > I've resurrected some of the pictures of the capacitor
 > remains and an X-ray
 > of a good cap (taken by another owner of one of these
 > caps) that shows the
 > four internal series elements. The elements are
 > soldered to thin copper
 > straps and then slid into the PVC tube. See:
 >
 > http://205.243.100.155/photos/HVStuff/CapExp/CAP2.GIF
 > http://205.243.100.155/photos/HVStuff/CapExp/CAP4.GIF
 > http://205.243.100.155/photos/HVStuff/CapExp/CAP5.GIF
 > http://205.243.100.155/photos/HVStuff/CapExp/CAP6.jpg
 >
http://205.243.100.155/photos/HVStuff/CapExp/CapXray.JPG
 >
 > CP later made good to all buyers in the group by
 > offering to replace the
 > caps. Unfortunately, CP later decided to exit the
Tesla
 > Coil capacitor
 > business. The failure mode analysis of the defective
 > cap can be found here:
 >
http://www.pupman-dot-com/listarchives/1996/october/msg00729.html
 >
 > Best regards,
 >
 > -- Bert --
 > --
 >
--------------------------------------------------------------------
 > We specialize in UNIQUE items! Coins shrunk by
 > Ultrastrong Fields,
 > Lichtenberg Figures (electrical discharges in
acrylic),
 > & Scarce OOP
 > Technical Books. Stoneridge Engineering --
 > http://www.teslamania-dot-com
 >
--------------------------------------------------------------------
 >
 > Tesla list wrote:
 >
 > >Original poster: Ed Phillips <evp-at-pacbell-dot-net>
 > >"Hi,
 > >I saw one of Chips blown caps that I "think" was
 > involved in all this.
 > >The
 > >caps had several sections that were connected
together
 > "casually" so RMS
 > >current and peak currents were the problems.  In a
 > mild NST system, they
 > >may very well do just fine.  Chip blew his with a pig
 > system and a gap
 > >with
 > >a ton of points and a 10,000 RPM motor....  I would
 > think and NST system
 > >would have a hard time blowing one.
 > >Cheers,
 > >          Terry"
 > >     Was Chip the one who arranged that purchase?
 > Haven't seen his name
 > >here for quite a while.  Why?
 > >Ed
 > >
 > >.