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Re: Rotary Spark Gap, the rpm's, and horsepower
Original poster: "Harold Weiss by way of Terry Fritz <teslalist-at-qwest-dot-net>" <hweiss-at-new.rr-dot-com>
Hi Jack,
Those film projector motors would be great for a 6" disk of 1/4" linnen or
canvas phenolic or G10. For 120 bps, use 2 electrodes. I have two of Dr.
R's SRSG's. They are the same HP only at 1800RPM, and run 4 electrodes for
120 bps.
David E Weiss
> Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>"
<JACKBINTHEBOX-at-aol-dot-com>
>
> First of all, I'd like to say thank you to all of you who answered my
> previous posting about splicing two secondary coil wires together. I will
> be cutting my 4 foot secondary in half, and I guess I'll be making another
> tesla coil with it soon! Many thanks, you'all saved me from disaster.
>
> I will be making a RSG, but I don't quite understand the significance of
> motor RPM's and horsepower in the design. Is it better to have more or
> less RPM's and horsepower? I have a whole bunch of 1/20 HP, 3600 RPM
> motors from film projectors. Would one of these be suitable for an RSG
> with like a 6" disc? I see that most of the professional RSG's have huge
> motors attached (1/4, 1/2, or 1 HP), but the RPM's are usually only like
> 1800. Why is it necessary to have so much power and so little RPM's?
>
> Many thanks,
> Jack
>
>
>