Re: Microwave oven fan motors for srsg

["Malcolm Watts" <M.J.Watts-at-massey.ac.nz> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

On 28 Aug 00, at 11:26, Tesla list wrote:

> Original poster: "Kelly & Phillipa Williams" <kellyw-at-ihug.co.nz> 
> 
> 
> 
> I have just found out that microwave oven cooling fan motors are synchronous
> motors,
> and I was wondering whether you could build a synchronous spark gap using
> one of
> these. I suspect that they do not output enough torque though. I have two
> 15/30 NST's so
> it would not be used for a high current application.
> Can anyone give me some advice on this?
> 
> Thanks, Alan
> 
> P.S. I also have a synchronous motor from an old reel to reel tape recorder
> that looks bigger and more powerful than the microwave fans, but not much.

All the oven cooling motors I've seen are el-cheapo shaded-
pole types. How do you figure your motors are synchronous? Did 
you do a strobe test?

Malcolm
 
> 
> 
>