RE: Motor spec???

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

Original poster: "David Dean by way of Terry Fritz <twftesla-at-qwest-dot-net>" <deano-at-corridor-dot-net>

Hi Chris

>From the size of the cap I would guess 1/30 HP. If it is a PSC type motor
(sounds like it) you can use a "rule of thumb" of 20 micro-farads per HP.

later

deano

> -----Original Message-----
> From: Tesla list [mailto:tesla-at-pupman-dot-com]
> Sent: Thursday, July 19, 2001 6:21 PM
> To: tesla-at-pupman-dot-com
> Subject: Motor spec???
>
>
> Original poster: "christopher carsten by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <ctom-at-toast-dot-net>
>
> Good evening list, I have run into a small problem with a motor
> that I have
> converted to sync. First I wanted to see if I could do it, (it worked) but
> looking at the specs I ran into a bit of confusion when deciding if it was
> suitable for a gap motor. It is a western gear corp. model 291u4, 115 vac,
> 1600 rpm, single phase .75uf cap start. it has four wires etc... But the
> horsepower spec is listed as "Var."
> Which is variable I presume. What can I expect from this thing?
> Will it draw
> more current (that spec is left blank) as more torque is needed? and can
> anyone hazard a guess as to what it's hp rating may be? the body of the
> motor is about 4.5" in diameter(including heat sink) and 6" in length. it
> was used as a fan motor from an old tube type frequency counter from the
> mesozoic era that had a 9 digit nixie display. Any help would be
> appreciated.
> Chris
>
>
>