Re: Rotary spark gaps

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>

Hi Greg,

Don't use it.  It melts like butter and cold flows even at room
temperature.  The electrodes will melt it and fly off.  Guess how I know
this ;-))

Cheers,

	Terry


At 04:27 PM 11/25/2001 +1000, you wrote:
>Hi all,
>
>I was wondering how how the rotating electrodes on a ~10kVA RSG get? 
>The reason I ask is I want to use 1/2" LDPE as a rotor. I can get this 
>easy and cheaply from a cutting board. It seems strong enough as I have 
>mounted two bolts in one and tried pulling them apart with vice grips - 
>I can't. What I am worried about is the rather low (somewhere around 
>130 Oc) melting point. If the electrodes get hot and melt the plastic 
>I've got problems. Has anyone ever used it before?
>
>Cheers,
>
>Greg Peters
>Department of Earth Sciences,
>University of Queensland, Australia
>Phone: 0402 841 677
>http://www.geocities-dot-com/gregjpeters
>
>
>