Re: Arctronics capacitors

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

Original poster: "Virtualgod" <mike.marcum-at-zoomtown-dot-com> 

I've ran them at 12kv/90ma for 5 min runs. If it was resonant, probably had
the gap too wide. Speaking of which, what would be a good spacing for a
needle (just 2 wires) safety gap to "milk it for all it's worth" without
blowing it up?


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, February 21, 2004 3:27 PM
Subject: Re: Arctronics capacitors


 > Original poster: Kreso Bukvic <kreso.bukvic-at-kc.htnet.hr>
 >
 > My previous maxwell exploded. For a few minutes after exploded, he ...
died!
 > What isa the maximum AC voltage for this cap? I used 10 kV 100 mA nst
 > resonant?
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Saturday, February 21, 2004 8:48 PM
 > Subject: Re: Arctronics capacitors
 >
 >
 >  > Original poster: Christoph Bohr <cb-at-luebke-lands.de>
 >  >
 >  > Hello Kreso!
 >  >
 >  > Ich bought these Maxwell caps from them and they worked fine for me.
 >  > Prices between 75$ and 90$ semm to be common.
 >  > The good thing is you have a professional relatively small high quality
 > cap.
 >  > But you never know where tey came from and hoch much remaining live
they
 > have.
 >  > These caps are rated for 35 KV DC at 500BPS max and 20% voltage
reversal.
 >  > A copy of data sheet can be found here
 >  >
 >  > http://www.luebke-lands.de/media/20P005.pdf
 >  >
 >  > Today I would probly rather invest in a good MMC as they prooved to be
a
 > very
 >  > good choice. If you blow a cap or two in your MMC its a 5$ repair aud
you
 >  > ready again. If you blow up your Maxwell cap you might have a 80$ paper
 >  > wight.
 >  > Another question is the way these caps can fail. I peronally don't fear
 > any
 >  > eyplosion if not seriously overstressed over longer time but there ist
a
 >  > chance they could fail explosively.
 >  > In my current design I will try to incoperate a microswitch pressure
 > sensor as
 >  > suggested by Bert.
 >  >
 >  > You just have to decide if you want a qiuck and easy cap like the
maxwell
 > or a
 >  > labour intensive MMC with better life expectancy/TCO. I feel they both
 >  > perform similar, so this is not really a thing to worry about.
 >  >
 >  > Sincerely
 >  >
 >  > Christoph Bohr
 >  >
 >  >
 >  >  > Tesla list wrote:
 >  >  > >Original poster: Kreso Bukvic <kreso.bukvic-at-kc.htnet.hr>
 >  >  > >I see they sell high voltage maxwell capacitors? Some are 69 some
99
 > $?
 >  >  > > What is the diffrence? IS it worth to buy from them?
 >  >  > >
 >  >  > >.
 >  >  >
 >  >  > Kreso,
 >  >
 >  >
 >
 >