Subject:
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RE: PipeXplorer
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 23 Dec 1998 17:12:32 GMT
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Original-From:
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Tom Pierce <tomp@citrix.!spamless!com>
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Viewed:
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1303 times
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> Laurentino Martins [SMTP:lmartins@marktest.pt] wrote:
>> For a real life test I was thinking in making it climb my
chimney... After all it's Christmas, isn't it? *<||:-)
>> Anybody ever seen a similar project?
Not the same concept, but similar in vertical movement...
I made a 'spider bot' that operated with a pulley system and heavy-weight
fishing line (obviously not a lego-purist's solution). A works-sometimes,
doesn't-work-sometimes method of catapulting a grappling hook (made entirely
of legos, of course), then reeling it in, allowed it to choose locations to
climb.
I'm sure, with more work, I could've made it better, but the main problem
was its weight. It needed its wheels to be touching the surface it was
climbing to successfully scale a wall (the pulley/line itself wasn't enough
for it to suspend itself in air, and was probably seconds away from
stripping the motor). Also, I never addressed problems with detecting
whether the grappling-hook hit true.
All in all, it gave me a lot of future project ideas. Good luck with your
chimney-scaler.
-- Tom Pierce
-- tomp@citrix.removethisobviouspart.com
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Message has 1 Reply:
 | | Re: PipeXplorer
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| (...) Sounds cool. w/r/t detecting the grapple connecting, wouldn't just firing, then reeling in until a) end of line is detected (hook back in its socket) or b) robot moves (hook caught on something) work? (26 years ago, 23-Dec-98, to lugnet.robotics)
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