RE: calculating bps for sync rsg

• To: tesla-at-pupman-dot-com
• Subject: RE: calculating bps for sync rsg
• From: "William Parn" <parn-at-fgm-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Thu, 02 Mar 2000 16:57:52 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Greets,

> -----Original Message-----
> From: Tesla List [mailto:tesla-at-pupman-dot-com]
> Sent: Thursday, March 02, 2000 6:17 AM
> To: tesla-at-pupman-dot-com
> Subject: calculating bps for sync rsg
> 
> 
> 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.
>  
>  
> Thanks in advance,
>  Jon
> 
> 

Hi Jon,

Only unasked questions are dumb.

1725 rpm ==> 1,725 revolutions per minute.
Since we are looking for bangs per second divide rpm by
60 to find the revolutions per second.
1725/60 = 28.75 rps
Now multiply that number by the number of bangs your rotor
does per one revolution.
28.75 * 4 = 115 bps

If it were a 50hz motor then one would divide by 50
instead of 60.

By the way if your motor is really synchronous at 60hz
then it can't be 1,725 rpm.  It probably is 1,800 rpm.
The math above will work for sync or async.

Cheers,
Bill

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