Re: Rotary gap flame-around

• To: tesla-at-poodle.pupman-dot-com
• Subject: Re: Rotary gap flame-around
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Wed, 02 Apr 1997 16:22:14 -0600
• Approved: tesla-at-stic-dot-net

Subject: 
            Re: Rotary gap flame-around
       Date: 
            Thu, 3 Apr 1997 08:13:54 +1200
       From: 
            "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
Organization: 
            Wellington Polytechnic, NZ
         To: 
            tesla-at-pupman-dot-com


DR RESONANCE,
              I'd suggest that flame-around can be eliminated when a 
suitable k is used based on recent results reported to the list (Y-N)?
Personally I'm all in favour of using much higher inductances in the 
primary than traditional wisdom has suggested for a swag of reasons.

Malcolm

>   From: 
>         "DR.RESONANCE" <DR.RESONANCE-at-next-wave-dot-net>
>     To: 
>         "Tesla List" <tesla-at-pupman-dot-com>
> 
> 
> For what it's worth:
> 
> We have never experienced rotary gap flame around and we always run a
> 1/2
> in. dia. rotary electrode with a 1" dia. fixed electrode at 1725 and
> 3450
> RPM.  
> 
> We only noticed this on one occasion when we used a lot of inductance
> and a
> rather small value of capacitance (ie, 10-12 turns on pri. with .025 MFD
> cap).  We usually run 3 1/2 to 4 1/2 turns inductance and add cap
> necessary
> to bring everything into tune.  
> 
> The RSG has 4 actual sparkgaps -- 2 on each side of the rotating wheel
> (usually 12 in. dia).
> 
> A lot of experimenters are using more inductance and less cap and I do
> understand it is easier on the caps.  This could be the cause of the
> reported flame around problems.
> 
> DR.RESONANCE-at-next-wave-dot-net
> 
>

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