Re: Sync Rotary Questions

To: tesla-at-pupman-dot-com
Subject: Re: Sync Rotary Questions
From: "BunnyKiller" <bigfoo39-at-telocity-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
Date: Fri, 21 Apr 2000 12:29:08 -0600
Approved: twftesla-at-uswest-dot-net
Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Tesla List wrote:

> Original Poster: "Yurtle Turtle" <yurtle_t-at-yahoo-dot-com>
>
> I'm getting ready to build a sync rotary, but I have a
> few questions. I have a 4.25" x 21.5" 24AWG secondary
> and probably won't go over several kVA. I have a nice
> 1800 rpm sync motor and am planning on a 7" x 1/4" G10
> rotor.
>
> 1. I've seen some rsg's with two gaps, and some with
> four gaps. Which is best for relatively low powered
> coils?
>
> 2. What is a good diameter for electrodes? McMaster
> Carr has 1/8" TIG electrodes. Is that big enough?
>
> 3. McMaster Carr has TIG electordes that are either
> pure tungsten or 2% thorated tungsten. Which is best?
>
> thanks
>
> =====
> Adam Minchey
> yurtle_t-at-yahoo-dot-com
> www.geocities-dot-com/yurtle_t/tesla
>
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Hi Adam...


I used the non thorated type with good results...     try to find a disc
at about  9" min dia ...   7" seems a bit small  you will need
clearences once you mount the motor ...
a single set of gaps work fine   complex dual sets get messy to align..

Scot D