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Re: RSG Problems. thanks
to: Dale
For optimum performance with this type of coil you need a snychro rotary RSG
running 1800 rpm.
Regards,
Dr.Resonance-at-next-wave-dot-net
-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Friday, February 19, 1999 10:56 PM
Subject: RSG Problems. thanks
>Original Poster: "Dale, Martin" <martin.dale-at-ntu.ac.uk>
>
>Thanks for the ideas and suggestions from the list..
>
>I have now been able to get up to 4ft sparks from my coil after cutting
down
>to 4 gaps instead of 8, and removing the resistive part of my ballast
>circuit and replacing the gapped 115v variac with 2 250v un-gapped ones,
>(one shorted, and the other driving it)
>
>The spark length is now back to what I was getting with the RQ/TCBOR gap,
>but there is less energy in the sparks.
>They are thinner, and less bright.
>
>My transformers are Ex military Radar tfmrs, and are capable of pig power
>levels if pushed, so I assume that they are big enough to charge my 16nF
cap
>without sagging!
>
>BTW, the best performance is at the full break-rate of 800bps.
>The performance drops steadily down to 200bps, at which point, the safety
>gaps go crazy and the power fuses go!
>
>The motor speed seems to have no effect on how reliably the gaps break
down,
>though clearly I need more than 8KV to break all 8 gaps down reliably.
>
>Quite a few of you have told me that I may be "over-quenching"
>I'm not sure I understand exactly what this means.
>Is this related to the dwell-time of the RSG?
>My electrodes are only 3mm (1/8") diameter, so the dwell will be pretty
>short
>
>Surely RSG's can be made to work well on 2-coil systems?
>Richard Hull's Nemesis coil seem to work quite well (!) and didn't that use
>an RSG?
>
>I will be happy when I have at least matched the sparks I get with my RQ
>gap, and NST!
>
> Thanks, Martin Dale, Nottingham, UK
>
>