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Re: Hmmmm...(was CDE 942c20p15k Group buy)
Original poster: Mark Broker <mbroker-at-thegeekgroup-dot-org>
Um, you should check your math again ;) 14kVp / 7 caps = 2kV.... also,
14kV ~ 10kV * sqrt(2) I don't think even the most conservative TC designer
out there would claim to need 25caps with a 10kV NST. If I have understood
Dr. Resonance's MMC recommendations correctly, he would use an MMC designed
for 25kVDC for a 10kV NST, or only 13 caps in series....
CDE 942C caps have been tested to withstand 5kV or more before an internal
breakdown. Self healing allows "many" internal breakdowns. Terry's tests
can be read here:
Later tests had similar results.
Terry, as well as several others with far more experience than I, have
"signed off" on the MMC design chart on our site. And it seems to work as
almost no one with an MMC designed by our chart, built by our guide, hooked
up to a competently built TC, and run by a competent operator has had a
In the end the MMC debate, like the Linux vs. Windows or Mac vs PC, is just
another dichotomy - some people like them, some people don't.
And why do I feel like I'm talking to the wind? :o) I'm talking, but it
seems no one is listening... or at least the intended party isn't. Oh
well. <insert rolling eyes smilie here>
Chief Engineer, The Geek Group
On Mon, 17 May 2004 18:52:40 -0600, Tesla list <tesla-at-pupman-dot-com> wrote:
>Original poster: Kreso Bukvic <kreso.bukvic-at-kc.htnet.hr>
>Nothing big, just standard small, medium, big coils. As i stated
>"recomended" caps for CD ( by the chart ) is b*****it. They will maybe, just
>maybe last a minute or two. If i would build a MMC for a 10 kV NST i would
>put attleast 25 caps in series. Not 7 like GG recomended.
>7 caps. 3.5 kV ac on 14 kv PEAK AC. ISH.
>----- Original Message -----
>From: "Tesla list" <tesla-at-pupman-dot-com>
>Sent: Monday, May 17, 2004 4:53 AM
>Subject: Re: Hmmmm...(was CDE 942c20p15k Group buy)
> > Original poster: "Arpit Thomas" <arpit-at-inzo-dot-org>
> > 500 dollars? what size coil are you building there?
> > *********** REPLY SEPARATOR ***********
> > On 15/05/2004 at 9:22 PM Tesla list wrote:
> > >Original poster: Kreso Bukvic <kreso.bukvic-at-kc.htnet.hr>
> > >
> > >Well Steve Vance i think you misunderstood me.
> > >
> > >I have thinked that you are the "good" guy for giving caps without
> > >money,
> > >
> > >While some other take a big "provision" for selling caps( when did the
> > >sombody ?), and i would not surely buy from them. Partyaly because i
> > >afford atleast 500 $ for a MMC. I just buyed 2 maxwells from Terry (
> > >arrived yesterday) for 100 $. I would like to see what can beat that.
> > >maxwells are cute:-).
> > >
> > >Best Regards
> > >
> > >Kreso Bukvic
> > >----- Original Message -----
> > >From: "Tesla list" <tesla-at-pupman-dot-com>
> > >To: <tesla-at-pupman-dot-com>
> > >Sent: Saturday, May 15, 2004 5:11 PM
> > >Subject: Hmmmm...(was CDE 942c20p15k Group buy)
> > >
> > >
> > > > Original poster: "steve" <steve_vance-at-cablelynx-dot-com>
> > > >
> > > > Hmmm...
> > > >
> > > > Unless I have misunderstood some of the emails it would seem like I'm
> > >taking
> > > > some heat because of the cap group buy offer. As I said in my last
> > >post, I
> > > > wasn't trying to encroach on the GG territory. I just found a way to
> > >the
> > > > caps I need at a discount and, make the same offer to others at the
> > > > time. Heck, everyone likes to save money. In the process it seems
> > >may
> > > > have alienated myself from the TCML and, apparently hurt some
> > >This
> > > > was not my intention. This is a one shot deal. I can assure everyone
> > >that
> > >I
> > > > do not want to take over the MMC business. I wasn't implying that the
> > >was
> > > > ripping anybody off or that they weren't a good source to buy caps