If your electrodes are flush to the face of your disc you wouldn't have much cavitation and drag but not sure if you would end up with a carbon track that would keep growing until it met up with the next electrode.
________________________________
From: David Boyle <twoten@xxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Wednesday, April 9, 2014 6:31 AM
Subject: Re: [TCML] fluid quenched rotary spark gap
"filled with dielectric oil."
I will be using an oil specifically made for quenching electric arcs. If
the manufacturers claims are to be believed it will not break down.
On 14-04-08 11:11 PM, Chris Boden wrote:
> I'm very curious to see the breakdown chemicals as a result of this.
>
>
> On Tue, Apr 8, 2014 at 9:32 PM, David Boyle <twoten@xxxxxxxxx> wrote:
>
>> I'm planning to build a synchronous rotary spark gap with the terminals
>> inside a fluid tight plastic box and filled with dielectric oil. This
>> should cut down on the noise, allow me to use steel electrodes because
>> of the lower temperatures, and it should quench like a champ. Has anyone
>> had any experience building one of these?
>> _______________________________________________
>> Tesla mailing list
>> Tesla@xxxxxxxxxx
>> http://www.pupman.com/mailman/listinfo/tesla
>>
>
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla
_______________________________________________
Tesla mailing list
Tesla@xxxxxxxxxx
http://www.pupman.com/mailman/listinfo/tesla