I am forwarding a message I received from Bob Johnson, who is working on
a mathematical model of unicycling and has just joined the list. Send replies
and followups to the unicycling list, or to Bob at Bob.Johnson@durham.ac.uk.
Beirne
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Forwarded message:
> From Bob.Johnson@durham.ac.uk Fri May 6 08:27:05 1994
> From: Bob.Johnson@durham.ac.uk
> Message-Id: <9336.9405061226@vega.dur.ac.uk>
> Subject: unicycling as a dynamical system
> To: bkonarsk@mcs.kent.edu
> Date: Fri, 6 May 1994 13:26:49 +0100 (BST)
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> Hi Beirne . . . I picked up your name/address as author of unicycling
> FAQs on the net. Maybe you can steer me (a non-unicyclist I
> should say) to any existing literature on mathematical models
> of how unicycles work -- i.e. how, according to standard
> laws of mechanics, anyone can turn the pedals in such a way as
> to make the thing stable upright, maybe even move around.
>
> My interest? Comes from a student project on a related
> topic of models of how you can balance a pole upright on
> your hand by moving your hand about. Most people can do this
> much more easily than ride a unicycle, I guess.
>
> Anyhow, the model I have now shows (in math terms) how balance
> is achieved and describes unstable and rocking modes too.
> I'd like to know how it fits in with what's already known,
> both in terms of such theory and, of course, real life.
>
> Any help or suggestions much appreciated.
>
> With all good wishes, Bob.
> --
> ----------------------------------------- . . . cuius rei
> Dr R C Johnson [bob.johnson@dur.ac.uk] demonstrationem
> Dept of Math Sciences, Durham Univ, mirabilem sane
> South Rd, Durham DH1 3LE, UK. detexi.
> tel: (+44)/(0)91-374-2375 Hanc marginis
> fax: (+44)/(0)91-374-7388 exiguitas non
> ----------------------------------------- caperet.
>
>
>
>
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