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Re: [TCML] Caps
I once tried making my own caps using PE and Al flashing. It was a giant headache and time consuming. Also you should have a Vacuum pump which I got a hold of. My capacitor was rated for 32Kv at approx 40nF. It lasted 1 month, then it exploded blew the top off the cap for the PVC housing and blew Naphalene (Shell Dia-ex?) based insulating oil everywhere. It left a huge mess to clean up. NEVER NEVER NEVER AGAIN! It was a worse experience with the crap resistors I got for "bulk".
MAKE AN MMC ... my response
For basically less cost I'd go with CDE942s series capacitors PERIOD!. They have good current & voltage specs and are built like tanks. They can tolerate accidental spikes .. gap problems and fairly high operation temperatures. These are also self healing. I have run the same MMC for 2 years heavy use. No performance problems at all.
----- Original Message -----
From: Robert Davies <robert@xxxxxxxxxx>
Date: Wednesday, August 20, 2008 10:28 am
Subject: [TCML] Caps
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
> Ok , I have played with the Jacobs Ladder and various other ways
> to make
> sparks with my 15kv 30ma NST. Now I would like to advance to
> start
> building my coil with the NST I have picked up a few ranging
> from 12kv
> 20ma to the 15kv 30ma I have been playing with. Ebay has way too
> many
> for me to deal with. I would like to know what the best type of
> cap
> would be to use for a NST type coil? MMC ? I can get the type I
> have
> seen used on some coils I've seen from Jamco. Or should I roll
> my own?
> Question I guess what would work the best for my application? I
> plan to
> build a sensible sized coil for my first go around so that would
> be in
> line with the caps I would need to use.
>
>
> Thanks,
> Rob
>
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>
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