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RSG Question
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From: Julian Green [SMTP:julian-at-kbss.bt.co.uk]
Sent: Sunday, June 14, 1998 6:57 AM
To: tesla-at-pupman-dot-com
Subject: Re: RSG Question
> From: Gregory R. Hunter [SMTP:ghunter-at-enterprise-dot-net]
> Sent: Saturday, June 13, 1998 1:59 PM
> To: 'Tesla List'
> Subject: RSG Question
>
> Dear List,
>
> Ever since I saw an RSG in operation at the UK Teslathon, I've been
> contemplating building my first RSG. I'm curious though, about the
> relationship between optimum tank cap value and RSG break rate.
> Instinct tells me that at high or very high break rates, the tank
> capacitor must be smaller than one optimized for a static gap system.
> Does anyone have a rule or formula for selecting best cap size based
> on both power supply and RSG break rate?
>
> Greg
>
> Suffolk, UK
>
>
>From the amp meter on my coil the speed/break rate does not affect the
current. I can run the rotary slow or fast and it still reads
12-15 amps. What does affect the current is the size of the electrodes.
This must be due the the change in duty cycle/dwell time. With fat
electrodes the current is higher than with thin electrodes.
When you saw the rotary it was fitted with 1/8" tungsten stationary
electrodes and spark output was lower than when I had 1/4" steel bolts
fitted. I have reached 48" spark output with the steel bolts only -
problem is they keep melting. Dont forget that my rotary has multiple
make/break cycles per mains cycle. Ive scoped 6 per mains cycle giving
a break rate of 300 and motor speed of 9000RPM.
Julian Green