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Re: Rotary Vs Stationary
In a message dated 6/9/99 10:18:09 PM Pacific Daylight Time, tesla-at-pupman-dot-com
writes:
>
> Pardon my lack of knowdege,
> I would like to know if a rotary spark gap HAS to be synchronous to be
> successful?
> and also, would there be much use in a RSG on a 4" coil? (are they mainly
> for
> bigger coils?)
> Thanks, Michael
>
Michael,
If you have been reading the list for a while, there have been a few test
reports of smaller coils being run with a syschronous rotary gap compared to
a static gap and an increase in performance shown. I don't know if the
amount of increase warrants the expense - different folks will probably find
different results since each coil system is somewhat unique.
Once you ramp the power up on a system into the 2 to 3 kva range and higher,
it generally means you are using power supplies capable of delivering several
hundred milliamps and run of the mill static gaps will not quench - a rotary
gap is necessary at these power levels. I run an asynchronous gap at about 7
to 8 kva. I have not seen results that show synchronous gaps improve
performance at these levels. I have not tried it.
Ed Sonderman