Subject:
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Curved Feet
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 23 Mar 2001 01:41:02 GMT
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Original-From:
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Andy Gombos <GOMBOS_2000@YAHOO.COMnomorespam>
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Viewed:
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655 times
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Hi,
Skip to the bottom for the question :)
I am getting back into building robots now, and decided I wanted to
build a 2 legged walker. I looked at the various Lego solutions, and
realized that none used pneumatics. That began my quest to build a
pneumatic 2 legged walker. After some research, I found a site
(http://www-personal.engin.umich.edu/~artkuo/Passive_Walk/passive_walking.html)
that had a movie with a walking style that seemed feasible. I had tried
an AT-ST style leg, but that was too weak. This leg requires curved
feet though, leading to my question: How can I make curved feet? I
have thought about flexible tubing, but that seems unable to support
much weight. Is there a strong way to make relatively smooth curves?
Thanks,
Andy
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Message has 5 Replies:
 | | Re: Curved Feet
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| (...) Andy: That's an interesting site. I can't think of a way to make curved feet, BUT there is the 1x6 sloped beam. as seen here: (URL) was thinking that if you used two of these with the "studs" pointing down, you might be able to replicate that (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
| | | Re: Curved Feet
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| (...) What about using #32250 liftarms? They may not be large enough for your needs, but here's a pic: (URL) Regards Micah J. Mabelitini - LUGNET #918 The University of Kentucky SECC Middlesboro Academic Skills Resource Center accutron@kih.net - (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
| | | Re: Curved Feet
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| Andy, I think the curved foot concept is the wrong direction for a two-legged mechanism. The few simple two-legged mechanisms I have seen rely on two feet, each with a VERY large footprint. Each footprint is large enough to support the weight of the (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
| | | Re: Curved Feet
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| (...) How about curved railway track? IIRC that gives you pieces about 16 studs long (little less for inner rail, more for outer) with an angle of 1/16th full circle (22.5 degrees). You can then call the beast "big foot" :-) Jürgen (24 years ago, 23-Mar-01, to lugnet.robotics)
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