Re: Sync motor mod clarification

To: tesla-at-pupman-dot-com
Subject: Re: Sync motor mod clarification
From: "Bunnykiller" <bigfoo39-at-telocity-dot-com> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
Date: Sun, 26 Mar 2000 10:05:27 -0700
Approved: twftesla-at-uswest-dot-net
Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Tesla List wrote:
> 
> Original Poster: "R.E.Burnett" <R.E.Burnett-at-newcastle.ac.uk>
> 
> Sorry, I didn't explain this very well.
> 
> The 1/8hp 1425RPM motor turns a 7" disk at 1500RPM with plenty of torque
> spare,  (despite having only two flats machined into the rotor.)
> 
> However,  the 1/2hp 2850RPM motor has trouble holding a 7" disk at
> 3000RPM.  (This motor has 2 flats,  which is the correct number.)
> 
> My point was supposed to be that in going from 1500RPM to 3000RPM more
> than 4 times as much power is needed to maintain sync at the higher speed.
> I guess I'll have to look for a 1 horse motor,  and mod that :-(
> 
>                                                         Cheers,
> 
>                                                         -Richie,
> 


Hi Richie...


why not use the 1500 rpm motor with double the number of electrodes
instead?


Scot D