Subject:
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Re: Walker useing new leg design
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Newsgroups:
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lugnet.org.ca.rtltoronto
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Date:
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Mon, 22 Oct 2007 22:24:53 GMT
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Viewed:
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17342 times
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In lugnet.org.ca.rtltoronto, Ross Crawford wrote:
> In lugnet.org.ca.rtltoronto, Chris Magno wrote:
> > Brian Davis wrote:
> > >
> > > Thank you! That's actually nice photodocumentation, and I'll try to put one
> > > together based on that. I wonder if for larger structures you might need to go
> > > to beams for some of the connections that are under tension during parts of the
> > > cycle.
> >
> >
> > I think you need to make one leg - you will be shocked at how well it
> > preforms. The short answer is no - no need for beams in this leg design.
> > just the beauty of parallel linkages.
> >
> > check out philo's gif of the leg motion (the "oval) at the bottom
> >
> > http://www.philohome.com/theo/tj.gif
> >
> > the leg is only "taking weight" when the foot is on the ground, and
> > then, thats when the "back" of the leg is more or less in a line. All
> > the weight is transfered along the length of the axles "vertically" to
> > the one point where the entire leg is attached to the frame.
>
> You might find that the beams that pull the leg sideways are under enough
> tension with a large version to cause problems though, especially if moving over
> difficult terrain.
(Bright blue or bright green in that image depending on direction of travel)
ROSCO
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