Stepper Motors

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Article #8195

#8195

From: Shawn Day
Date: Tue, 06 Nov 1990 22:56

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Hello.

I tried posting this message last week but it doesn't seem to have
worked. I'm sorry if this is a repost.

We are planning on building a stepper motor drive system for tracking
& slewing a 12 1/2" telescope.

If anyone has any experience in this type of thing, we would appreciate
hearing your comments.  Specifically, we need to find a source for 
inexpensive stepper motors.  Our current calculations indicate that 
we need motors with about 260 oz-in torque and a speed of at least 40 RPM.

Also, we would be interested in any stepper motor controller circuits
which may help us with our project.

Shawn & Dave.
Shawn Day                                                     (604) 264-0024
#104-8777 Hudson Street                                 shawnd@fs1.ee.ubc.ca
Vancouver, British Columbia                  ...!ubc-cs!fs1.ee.ubc.ca!shawnd
Canada V6P 6H2

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!mit-eddie!uw-beaver!ubc-cs!fs1!coho.ee.ubc.ca!shawnd
From: shawnd@coho.ee.ubc.ca (Shawn Day)
Newsgroups: sci.electronics,sci.astro
Subject: Stepper Motors
Keywords: stepper,  motor
Message-ID: <1436@fs1.ee.ubc.ca>
Date: 6 Nov 90 22:56:01 GMT
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