Newsgroups: comp.robotics
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From: hbb@e4.ius.cs.cmu.edu (Ben Brown)
Subject: Re: Cheap gyros 
Message-ID: <CKKFs9.ADF.3@cs.cmu.edu>
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Organization: School of Computer Science, Carnegie Mellon
References: <9401161437.AA23227@algol.demon.co.uk> <758833366snz@cryton.demon.co.uk>
Date: Tue, 1 Feb 1994 22:00:08 GMT
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In article <758833366snz@cryton.demon.co.uk>, pcats@cryton.demon.co.uk (Patrick Arnold) writes:
|> In article <9401161437.AA23227@algol.demon.co.uk> bruce@algol.demon.co.uk writes:
|> 
|> >I read in this newsgroup a few weeks ago about there being gyros
|> >available for under $200. More recently I was browsing through some
|> >magazines belonging to an aeromodelling enthusiast. It seems that
|> >there are gyros available for model aircraft for around 60 UKP (that's
|> ><$100). If anyone reading this knows about these devices I'd be
|> >interested to hear:
|> >
|> >1. How they work, e.g. whether they're inertial or magnetic.
|> >
|> >2. Whether they drift.
|> >
|> >3. What sort of outputs they produce. I'd guess that they output a
|> >couple of PWM signals suitable for feeding straight to servos.
|> >
|> >4. Anything else about them that would be of interest to someone
|> >building mobile robots on the cheap!

Gyration Inc. (Saratoga CA 408-255-3016) sells small vertical and directional
gyros for ~$500. These are standard gimballed gyros, but the drift specs
probaly aren't as good as aircraft-quality gyros.

	Ben
