Re: Copper vs. Brass in SG electrodes

To: tesla-at-pupman-dot-com
Subject: Re: Copper vs. Brass in SG electrodes
From: FutureT-at-aol-dot-com (by way of Terry Fritz <twf-at-verinet-dot-com>)
Date: Tue, 27 Apr 1999 18:27:54 -0600
Approved: twf-at-verinet-dot-com

In a message dated 99-04-27 00:16:27 EDT, you write:

<< Another issue is
> rotor rpm; since sync rotaries generally spin at 1800 or 3600 rpm,
> the centrifugal forces are considerably less than at the higher rpms
> often used in non-sync rotaries.
 
> John Freau
   >>

Gary, 

I forgot to mention, I run my non-sync gap up to 5000rpm with a 9"
lexan rotor and I haven't had any problems.  All my lexan rotors are
3/8" thick.  To make the rotor, I cut it round with a sabre saw, then
mounted it onto the gap motor, and used this as a "lathe" to true up
the edge using a wood chisel as a turning tool.  The method is a little
crude, but the results are good (I don't have a suitable lathe to make
the rotors).

John Freau