Re: rotary spark gap; # of electrodes (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Mon, 9 Jul 2007 22:45:50 -0400
From: Jonathon Reinhart <jonathon.reinhart@xxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: rotary spark gap; # of electrodes (fwd)

I'm using a 12/60 also, with a .034uF cap.  My coil is 6" and I need a
bigger toroid :-)

Jonathon Reinhart

On 7/9/07, Tesla list <tesla@xxxxxxxxxx> wrote:
>
>
> ---------- Forwarded message ----------
> Date: Mon, 09 Jul 2007 16:41:46 -0500
> From: Shaun Epp <scepp@xxxxxxx>
> To: tesla@xxxxxxxxxx
> Subject: rotary spark gap; # of electrodes
>
> Hello,
>
> I just got my hands on a synchronous motor, 1800 rpms.  It's an Oriental
> motor from an old teletype machine.  My question is how many electrodes do
> I
> need.  I've heard of coilers using a propeller gap with one rod spinning
> and
> four stationary electrodes.  I've also seen Johns design using the
> identical
> motor that I have at web site www.hometown.aol.com/futuret/page6.html.  It
> seems to me that one spinning rod and two stationary electrodes would be
> enough for maximum power at minimum breaks per second, so why use four?
>
> I'm going to use the RSG with a 12Kv, 60mA NST powered coil that I already
> have made.  Cp = 0.0212uF.  I've read that you can increase the primary
> cap
> size too when running a RSG,  What is the rule of thumb for this?
> With a bigger Cp I can also use a bigger torroid.  : - )
>
> thanks,
>
> Shaun
>
>
>
>