Re: modifying motors

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: FutureT-at-aol-dot-com 

In a message dated 12/14/03 5:44:28 PM Eastern Standard Time, 
tesla-at-pupman-dot-com writes:

>After getting a quote for nearly $200 for a 1/15 hp 3600 rpm salient pole
>synch motor I decided to mod my own. What I have is a 1/20 hp (hope that
>will spin a 1/8"x 4" disk with 2 or 4 of the smallest acorn nuts i can
>find). What I wanted to know is if I grind only 2 flats would it turn into
>3600 rpm? How deep should I go with the grinding? Thanks for any help since
>I've never hacked up a motor like this before.
>


If it's a 1725rpm induction motor or a 1750 rpm, it will convert to
1800 and should get 4 flats.    If it's an 3450 rpm motor, then it
gets 2 flats and goes to 3600 rpm.   1725/1750 rpm motors cannot
go to 3600 when modified.

John