Subject:
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Re: need help
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 11 Apr 2001 10:10:41 GMT
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Original-From:
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Andy Gombos <gombos_2000@yahooSAYNOTOSPAM.com>
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Viewed:
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1727 times
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Steve Hassenplug wrote:
>
>
> Mike,
>
> With only 4 wheels, you'll find your bot has so much bounce you won't
> want to mount your RCX on it. I can't imagine only 3 wheels. Here's
> a couple that I built along the same lines.
>
> The first one uses 12 wheels for each hub and they are a combination
> of large and small wheels, because I didn't have enough of either size
> to make them all the same. (you'll see what I mean)
>
> http://odin.prohosting.com/~hassenpl/Triped2s.JPG
>
>
You can use the angled gray axle connectors to connect the axle ends
together. It looks like a 120 degree one would work, and that should
remove bounce if you have fewer wheels. What exactly is the point of
having a wheel shaped like this?
Andy
> The second is a killough platform
>
> http://odin.prohosting.com/~hassenpl/ThreeWheelBot.JPG
>
> Of the two, I liked the first much better. It was fairly smooth, and
> the wheels were strong. I tried some 8 wheel hubs in a + before I got
> to the 12 wheel star. Again, very bouncy.
>
> Steve
>
> -----Original Message-----
> From: mike fusion [mailto:mikefusion@hotmail.com]
> Sent: Tuesday, April 10, 2001 3:55 PM
> To: lego-robotics@crynwr.com
> Subject: need help
>
> okay people, need your expertise.
>
> I have a problem that I can't seem to solve. I'm trying to get a set
> of
> four wheels (the small skinny ones I forget the name) to float in a
> pattern
> of such:
>
> W
> W
> W
> |
> WWW---WWW
> |
> W
> W
> W
>
> Well you get the idea. W=wheel and the other lines are extraneous
>
> the most important thing is that the wheels are mounted such that the
> x-axis
> (axles) are in a plane to each other and the wheels are free to rotate
> along
> the z-axis
>
> if there is a way to do this with three wheels off set by 120 degrees
> that
> would actually be better.
>
> oh, another note, the center must be mountable on an axle or shaft. I
> just
> can't seem to get this one.
>
> thanks people.
>
> new page with a small killough platform coming soon.
> if you couldn't guess that is what the problem is for, I'm trying to
> get the
> sound down from the basic leo design.
>
> laters,
>
> mike
--
See my Visual Interface for leJOS at http://lvi.sourceforge.net
--
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