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 15:56:23 GMT
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Viewed:
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719 times
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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.
Steve
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Message has 2 Replies:
 | | Re: Land mine robot
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| (...) 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 (...) (22 years ago, 13-Jan-03, to lugnet.robotics)
| | | Re: Land mine robot
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| (...) Why even use sand at all? If the challenge is for mine detection, use a flat surface, and have the mines be attached to the underside. This allows for very simple drive systems, and no surface clues to show for the mines, or possible bias by (...) (22 years ago, 13-Jan-03, to lugnet.robotics)
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Message is in Reply To:
| | Re: Land mine robot
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| 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 don't know if you could use some other medium like ground up packing material or little foam balls as your (...) (22 years ago, 13-Jan-03, to lugnet.robotics)
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