[Prev][Next][Index][Thread]
Re: Homebrew Variacs? (fwd)
---------- Forwarded message ----------
Date: Wed, 15 Jul 1998 12:27:54 GMT
From: Mike Harrison <wwl-at-netcomuk.co.uk>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: Homebrew Variacs? (fwd)
On Tue, 14 Jul 1998 22:17:48 -0600 (MDT), you wrote:
>
>
>---------- Forwarded message ----------
>Date: Tue, 14 Jul 1998 18:53:56 -0700
>From: Stefan Bishay <stefan00-at-gte-dot-net>
>To: tesla-at-pupman-dot-com
>Subject: Homebrew Variacs?
>
>Is it possible? I was thinking take a piece of 12" thickwall PVC pipe,
>about 6" long, wrap #10 enamel coated wire around it in the standard variac
>fashion, and machine up some kind of rotor/brush assembly. Would this
>work? Any special considerations? What kind of current will 10 AWG wire
>handle at 240v in that application?
>
>
>Stefan Bishay - KC7SJC
>Seattle, WA
>ICQ 2141646
>
what about the iron core ?
It may be possible to use a large toroidal transformer core, but it
would be hard to wind it with suitably thick wire & get the windings
even & neat enough to run a wiper over without a proper toroid winding
machine.
____ ____
_/ L_/ Mike Harrison / White Wing Logic / wwl-at-netcomuk.co.uk _/ L_/
_/ W_/ Hardware & Software design / PCB Design / Consultancy _/ W_/
/_W_/ Industrial / Computer Peripherals / Hazardous Area /_W_/