infor needed on electro-craft E656 motor

[steverrino]

I am a new member and this is my first post.

I recently bought an electro-craft Corp motor at an auction and would like to find out how many volts are needed to run it, AC or DC, rpms etc. so I can use it on a small drill press. It is a model E 656 permanent magnet motor with a shaft on each end and a set of 2 brushes on each end of the motor. It has a plug with 7 wires going into the plug. Would the middle prong on the plug be the ground? How do I figure out which wires to hook up? Would it make sense to spin the motor with an electric drill and then hook a voltmeter to pairs of wires to see if it produces a voltage and to then apply that voltage to the two prongs that produce the reading? The prongs are in rows, 2 in the top row, 3 in the middle row including 1 in the center, and 2 in the bottom row with no prong at the 7 oclock position.

Is there a danger of shorting it out by hooking it up wrong? If I do not get a response from a person with knowledge of this specific motor, would it be best to experiment with low voltage direct current first or to assume that it may work on 120 volt AC current? It weighs 4 pounds and is about the size of a 1/6 hp motor that I also have.

Any information that can be provided on this motor will be greatly appreciated. My email address is sfennel@hughes.net if you would rather respond to me directly.

[Al_The_Man]

This series of motor often had an OEM number, so you may not find it in the Electro-Craft list.
I have the Specs for this range of servo, if it has two sets of brushes, one pair will be the Tach and the other the armature.
If you give the dimensions and a pic if possible I can give you the rough Torque rating, the voltage can be determined by spinning the armature at a known rpm and measuring the DC voltage, This series of motors varied from 1850rpm to 6000, so you may have to conservatively rate it for rpm.
The Generated voltage will be equal to the applied DC for a particular RPM.
The armature will be the larger of the brush pairs.
Al.

[rgkerber]

If you provide me the part number, I MAY be able to get you a print withe bothe the voltage and connector pin-out.

Rob Kerber
VP Marketing & Motion
ElectroCraft, Inc.

Tel: 952.223.4119
Fax: 866.464.8183
Cell: 612.810.0127
Email: rkerber@elecrtocraft.com

[jalessi]

Rob,

Your email address is wrong. fix the typo.

Jeff...

[rgkerber]

SorrRob Kerber
VP Marketing & Motion
ElectroCraft, Inc.

Tel: 952.223.4119
Fax: 866.464.8183
Cell: 612.810.0127
Email: rkerber@electrocraft.com