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Re: [APML] Mount for C-14 at a University

To: astro-photo@seds.org
Subject: Re: [APML] Mount for C-14 at a University
From: Gene Horr <genehorr@texas.net>
Date: Thu, 25 Jul 2002 10:45:24 -0500
References: <20020725113209.26021.qmail@web11507.mail.yahoo.com> <3D400768.89C9380B@silverlink.net> <20020725163953.A154424@ibm-2.MPA-Garching.MPG.DE> <3D4014E6.EDDB8E1@silverlink.net>
Reply-To: astro-photo@seds.org
Sender: owner-astro-photo@seds.org

Greg Mueller wrote:
> 
> According to the web page the Millennium mounts use stepper motors, which
> might produce a problem. They're kinda pricey too

Well, a heavy emphasis on "might".  By micro-stepping or just lowering
the voltage during tracking vibration can be eliminated.  With careful
engineering even the "normal" "jackhammer" motors can be used.

Gene Horr
genehorr@texas.net

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References:
- [APML] Mount for C-14 at a University
  - From: Gil Shillcutt <astrocycle@yahoo.com>
- Re: [APML] Mount for C-14 at a University
  - From: Greg Mueller <mueller@silverlink.net>
- Re: [APML] Mount for C-14 at a University
  - From: Mischa Schirmer <mischa@MPA-Garching.MPG.DE>
- Re: [APML] Mount for C-14 at a University
  - From: Greg Mueller <mueller@silverlink.net>

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