My point was, browsing ebay for something usable can often be frustrating and 
fruitless.  Most people (including my self) wouldn't know a thing about that 
motor.  I googled it for a few minutes before posting my 1st email and was 
coming up with zilch.  He was able to easily pick it out as useful, because he 
was first at least a little familiar with the model.  I've had a little 
experience searching up data on old Electrocraft motors, and I was eventually 
able to get it after a few days of email exchanges with some techs at 
Electrocraft.  Fine for a motor in your hand, not worth the effort when 
browsing ebay.    

----- Original Message -----
From: "Ed" <ate...@mwt.net>
To: emc-users@lists.sourceforge.net
Sent: Monday, February 6, 2017 11:51:57 AM
Subject: Re: [Emc-users] need a tutorial on 3 phase, 1.2 degree a step, motors

On 02/06/2017 10:38 AM, Todd Zuercher wrote:
> The problem with trying to buy used motor like that is how do you know what 
> the motor specs are.  There is nothing posted on the add, the Electrocraft 
> part numbers are old and obsolete, or are a custom part number so you can't 
> just look them up (at least not easily).  What are the motor dimensions, 
> V/rpm constant, max amps, encoder counts... all the important stuff you need 
> to know about a servo before you buy it?
>
If he can find the data so can you.

Ed.


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