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I'm thinking of having the gears on the moveable structure itself connect to
the pendulum...I'm not sure yet how much friction there will be, I may need
to use a lot of lego on the structure to make it heavier.
--
Paul Davidson, aka Tinman
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Opens everywhere, January 2000
Fredrik Glöckner <fredrik.glockner@bio.uio.no> wrote in message
news:m33dtmvdil.fsf@sade.uio.no...
> "Paul Davidson" <tinman@direct.ca> writes:
>
> > [...] Fredrik's pulley-elastic band idea is also interesting.
>
> It wasn't me, 'twas Steve Bliss.
>
> > This pendulum idea is really what I was looking for, though! A true
> > mechanical speed-regulator, very nifty indeed.
>
> This sounds like a very interesting project indeed! You should report
> back if you succeed with this.
>
> You need to connect the weight of the base to the pendulum. How are you
> going to do that? You can have gear racks each side of the platform,
> connect them to gears on the base and let the gears drive the pendulum.
> That shouldn't impose too much friction, I'd say.
>
> Or you can hang the platform using chain links. This should be better
> friction-wise, but that may be a bit involved to build.
>
> Fredrik
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