Re: Re: Convert your MOT to NST?

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

Original poster: "tesla by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tesla-at-paradise-dot-net.nz>

Greetings Gregory

Your dead MOTs in doubler arrangement is surprising to me. Couple of
questions
1) Are you using Two MOTs centres grounded phased to give about 4.4kv ac rms
into the doubler or what is your PSU configuration

2) What size is Cp ?
Best
Ted L
----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, January 27, 2002 5:40 AM
Subject: Re: Re: Convert your MOT to NST?


> Original poster: "G by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<bog-at-cinci.rr-dot-com>
>
> Hi Ted,
>
> I currently use an MOT doubler supply to power my coil. I have lost
> about 5 MOTs to internal secondary failure. They were all run under
> real xfmr oil. I haven't been able to figure out why this is
> occurring, but I can say the output of the doubler circuit will
> regularly jump my 3/4" ! (or better) safety gap. I had to set it wide
> because the power arcs were almost constant, and each one required a
> power-down. I just got annoyed and set it huge. But the MOTs are
> trash salvage so I'm not upset :).
>
> I have yet to put money into nice test equipment so I cannot shed any
> more light on the subject.
>
> Best,
>
> Gregory