Re: [TCML] Help choosing tank caps for dual MOT

[Gary Lau <glau1024@xxxxxxxxx>]

It may be worthwhile to perform some critical thinking about why your
caps fried.  Can you supply further details about the MMC construction
(number of caps, I assume one string?), transformer rating, and spark
gap settings?  In particular - how was the gap width (assuming a
static gap) set, was there a safety gap?  Could the gap width have
been opened up wide, even briefly???

The 942's are better than the 940's, in that they can handle a higher
current.  It's not clear that a MOT-powered coil would be less
demanding.  Surely MOT's are a lot harder on the gap, and static gaps
are typically not used with MOTs (though I've only heard this - I
haven't personally tried).

Regards, Gary Lau
MA, USA

On Fri, Sep 2, 2011 at 1:19 PM, James Hutton
<b-u-r-t-o-n-boy@xxxxxxxxxxx> wrote:
>
> I have a whole bunch of 940c30p15k caps at home.They were originally for my NST coil. I didnt know that it was not recommended to use those.One fries about every 15 seconds.So I bought the new 942c.
> But I am building a dual mot voltage doubler powered coil soon and I saw somewhere(i forget where now...) that you can use the 940c series just fine if your using MOTs.If that is true, It would save me a ton of money.
>
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