Re: calculating bps for sync rsg

To: tesla-at-pupman-dot-com
Subject: Re: calculating bps for sync rsg
From: "Adam" <adamsmith-at-mediaone-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
Date: Thu, 02 Mar 2000 17:05:49 -0700
Approved: twftesla-at-uswest-dot-net
Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

> Original Poster: "Jon Lagler" <rockcrawl-at-netzero-dot-net>
> 
> Hello,
> This may be a dumb question, but please bear with me, I'm kinda new at this.
> How do I calculate the break rate of my synchronous rotary gap? My rotor
has 4
> contacts. it is a 1/2 hp motor, 1725 rpm(I think), 60hz. Whatever it is, it
> seems to work well.

Jon, that is not a synchronous motor, unless you've modified it by milling
flats in the rotor so as to bring the RPM up to 1800. That aside, break rate
is as simple as: (Motor RPM  x breaks per revolution) / 60.  In a typical
setup, breaks-per-rev = number of contact points on the rotor, so you will
be getting 115 bps.

-Adam
adamsmith-at-mediaone-dot-net