Subject:
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RE: Articulated, motorized space rover
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Newsgroups:
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lugnet.space
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Date:
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Thu, 11 Jan 2001 19:21:25 GMT
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Viewed:
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1075 times
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Duane Hess writes:
> In lugnet.build, Bram Lambrecht writes:
> > http://www.brickshelf.com/cgi-bin/gallery.cgi?f=1872
>
> DUDE! How did I miss this post?
>
> Awesome functionality.
Thanks!
> Would you be willing to post some more details on the articulated joint?
> I've been taking a look at an articulated vehicle again lately and this
> fits right into the puzzle perfectly. My last one relied on
> the Hand of God for steering.
Sure. First of all, here's a closeup picture:
http://www.brickshelf.com/cgi-bin/gallery.cgi?i=27001
The micromotor (mounted upside down with some Technic bricks and pins)
drives the 8 tooth gear on the bottom. The 8t gear turns the 40t gear. The
axle attached the 40t gear runs through some Technic plates and then up
through the 4x4 turntable. Attached on top of the turntable is a 2x2 round
brick (not visible). The cross axle hole of the round brick holds the axle
in place so that when the 40t gear turns, the turntable (and thus, the
entire front half of the vehicle) turns. A 2x2 turntable attaches the front
and back halves at the top. The rest of the pieces are purely decorative :)
IIRC, the rover can only turn while it is in motion, and since the front
is so heavy, the steering needs constant adjustment.
I hope that helps!
--Bram
Bram Lambrecht
bram@cwru.edu
http://home.cwru.edu/~bxl34/
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