Alt-BEAM Archive

Message #03613



To: beam@corp.sgi.com
From: Wouter Brok w.j.m.brok@stud.tue.nl
Date: Mon, 24 May 1999 13:19:54 +0200
Subject: [alt-beam] Inertial Rotation


Hello List,

Just thought I let you know that I'm thinking about building a useless
(read 'decorational') thing to illustrate the concept of inertial rotation
introduced a couple of weeks back. Then I did draw a box hanging from the
ceiling with a wire, now I think I'm going to make it a two-degrees of
freedom 'satillite' (also with solarpannels sticking out as you see in most
satillite pictures). To give it the two degrees of freedom I will put it in
the centre of a ring. In the ring the thing can rotate around an axis lying
in the plane of the ring and the ring itself can rotate around an axis
perpendicular to the other axis, but also in the plane of the ring. So the
thing itself is free to rotate in two dimensions, like a satillite and can
thus point its solar-cells to the ligthsource.

Unfortunately I don't have much time to build stuff neatly (that's why very
few robots I build to experiment with certain concepts are not disassembled
again), but maybe I can find the time inbetween the building of the
two-motor solar-powered robot, which is intended to be made so nicely that
I can keep it. (It's cool if after years of building robots you actually
have a couple which stay to show to friends, so I'm working on those)

Wouter Brok



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