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Re: Basic questions.

to: Steve

On a small system running perhaps a 60 mA xmfr a series gap with 5 series
gaps with a small 150 CFM blower behind the gap seems to work well --- and
it's a simple system to operate and maintain.  This type of coil runs a .01
to .015 MFD cap and will deliver a solid 24-30 inch spark.  It is very
portable and easy to setup and operate.

If you are running a larger xmfr, ie, 120 ma, or multiple paralleled NST's,
then the preference is towards an 1800 RPM snychro RSG.  This offers good
quenching and great overall performance.  We run a pair of gaps on each side
of the wheel (4 total series gaps) with our synchro RSG's and they perform
very well.  This type of coil typically has a .02 to .05 MFD cap and
delivers a solid 4-6 ft spark.

With the single 60 mA NST you might get by with using the power line as a
ground, but for the larger unit definitely a dedicated ground is in order.

Happy Holidays,

Dr. Resonance




From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Wednesday, December 22, 1999 5:39 PM
Subject: Re: Basic questions.


>Original Poster: "Steve Cook" <Steve-at-g8cyerichmond.freeserve.co.uk>
>
>I'll let someone else answer about RSGs. The problems with grounding using
>water pipes, are that generally they provide relatively poor earths, and
>more importantly modern plumbing uses a lot of PVC and PU (and other
>plastics). It is quite possible that you would be virtually un-grounded in
>many cases. OK, it may be good practice to bond pipework into your
grounding
>system, in fact on safety grounds I think it is virtually vital.
>----- Original Message -----
>From: Tesla List <tesla-at-pupman-dot-com>
>To: <tesla-at-pupman-dot-com>
>Sent: Tuesday, December 21, 1999 6:31 PM
>Subject: Basic questions.
>
>
>> Original Poster: Kamil Kompa <czlonek-at-polbox-dot-com>
>>
>> I want to ask you several basic questions.
>>
>> 1. Whats wrong in making grounding with home water pipe system?
>>    Is it dangerous? Is coil working worse (shorter sparks) ?
>>    Is it good enough for small coil ?
>>
>> 2. Why the rotary spark gap is better? In which kind of coils should it
>> be    used (only high power coils , or every coil will work better)?
>>
>> Thanks for your answers.
>>
>> Kamil Kompa
>> czlonek-at-polbox-dot-com
>>
>>
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