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In lugnet.technic, Paul Davidson writes:
> I've received some very good responses here. Jacob Andersen's worm gear
> idea is what I would do if I were to use a motor, but since gravity already
> provides energy for the system, a good engineering solution would not use an
> additional motor. Plus, I'd rather use motor for other projects. Maynes'
> friction-through-many-gears idea is the first idea I had, but his fan idea
> is quite good. Fredrik's pulley-elastic band idea is also interesting.
>
> This pendulum idea is really what I was looking for, though! A true
> mechanical speed-regulator, very nifty indeed. (I was trying to think of
> similar real-life machines, why didn't I think of clocks?) I think I'll try
> it. Thanks!
>
> (I don't have much technic lego, so I wanted to figure out a good method
> *before* I hit the auctions and brick-selling sites to get pieces.)
Counter-weight through a pulley or gear system? A lessening counter-weight
(classic sand displacement)?
Bruce
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