Subject:
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Re: How much can you shrink a dual differential drive?
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Newsgroups:
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lugnet.technic, lugnet.robotics
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Date:
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Wed, 20 Mar 2002 07:26:38 GMT
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Viewed:
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196 times
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In lugnet.technic, Miguel Agullo writes:
> Hi all,
>
> I've got an intriguing little MOC coming up that hopefully will interest
> both the technicheads and the robogeeks. It is a tracked vehicle with a
> twist, but you'll have to wait to learn all the details ;-) • snip
>
> In the meantime, here is something I could use some help on. For precise
> operation, I'm using a dual differential drive as described by the Ferrari
> brothers in their book. My setup is farily different from theirs, mostly
> because I need to save space. I've uploaded to brickshelf 2 dats and 4 POV
> jpegs of how it looks right now. You might want to take a look.
>
> http://www.brickshelf.com/cgi-bin/gallery.cgi?f=13856
>
> Anybody can come up with a more compact design?
Here's yet another shrunken dual differential design.
It uses worm gears to drive both differential housings as a space saving
measure. This also the adds the feature (?) of a bit more gear reduction.
There's a few pics of the design here :
http://www.visi.com/~dc/transmission
-- Doug
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