Re: Microwave Oven Sync. Motors!

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

Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net> 

Hi Terry,

Where does one find a salient pole 1/10 to 1/4 HP 1800RPM synchronous motor
and what would one expect to pay for it.

Thanks
Gerry R

 > Original poster: Terry Fritz <teslalist-at-twfpowerelectronics-dot-com>
 >
 > Hi Jim,
 >
 > Many small AC gear motors (like clocks use) are synchronous.  Digikey
sells
 > these raw motors too.  The problem is they are too slow with the gear
works
 > and too low of power to do much with.  Since they are very low power
 > impedance protected things, they don't have to worry about overheating or
 > efficiency which is terrible in them from a percentage point of view.  We
 > need to be able to turn big rotors fast so we need bigger motors.  I think
 > John Freau say we need at least 1/10HP.  1/4HP 1800 RPM is perfect IMHO.
 >
 > Cheers,
 >
 >          Terry
 >