Alt-BEAM Archive
Message #11909
To: beam@corp.sgi.com
From: "Justin" JAF60@student.canterbury.ac.nz
Date: Wed, 15 Mar 2000 14:35:58 -0800
Subject: Re: mini motors
> > I've seen Fang's treaded beast, but I'm working on something a lot
> > smaller/lighter...Has anyone else tackled the tread problem in a tiny
bot?
> > Looking at microvore sizes in the near future.
>
> I'm looking into it, and believe it or not, some of the best looking
> stuff I've seen is some lego parts. Lego isn't cheap, but it's an
> unlimited supply of parts that are available for ever and ever. Unlike
> certain excellent gearmotors we could name :-)
>
> Part 5119 - ultra miniature gearmotors (not much more than 1x1x1cm).
> Never used them, but someone on the list played with some a while back
> and was quite impressed with the efficiency. NZ$30 each (approx US$16)
> Part 5278 - chain links x35 (ie miniature caterpillar tracks, about 5mm
> wide) very close to that MIT "Ant" look.. NZ$9.50 (approx US$5). You
> might need two sets if your tracks are long.
> Part 5229 - Assorted gears that mesh with the above tracks. Add a paper
> hubcap, spray-paint them silver or black, and no-one will ever know
> you're using lego :-) Additional bonus - they slot right onto the
> gearmotors. NZ$11.50 (approx US$6)
>
> Costly, but I figure this is more than offset by the construction hours
> saved. (And that MIT "Ant" look is pretty cool :-)
>
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