Subject:
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Re: Land mine robot
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 13 Jan 2003 16:10:48 GMT
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Viewed:
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829 times
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In lugnet.robotics, Steven Lane writes:
> In lugnet.robotics, John Barnes writes:
> > I hate to be a party-pooper, but I would strongly recommend you think twice
> > about getting sand mixed up with Lego gears, axles and motors.
>
> I'd say use sand, just don't use tracks because they clog up when turning.
> Use a four wheel chassis for stability with central pivot. Power only the
> front wheels and then independantly so you can steer. The rear wheels will
> then follow automatically although turning will have a limit unlike tracks.
I've just thought of an even better system. Build a two wheel robot with a
turntable on the top over the centre of rotation. Attach an arm to the
turntable which links back to the rear wheels. You can then turn the front
part through 90 degree increments. The rear section will then follow. If you
do parallel stripes though you'll push the rear wheels backwards and over to
the side so you'll have to keep it away from walls.
Steve
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Message is in Reply To:
 | | Re: Land mine robot
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| (...) I'd say use sand, just don't use tracks because they clog up when turning. Use a four wheel chassis for stability with central pivot. Power only the front wheels and then independantly so you can steer. The rear wheels will then follow (...) (22 years ago, 13-Jan-03, to lugnet.robotics)
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