Subject:
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Re: Hex565 - one leg at at time pneumatic hexapod
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Newsgroups:
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lugnet.technic, lugnet.robotics
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Date:
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Wed, 5 Oct 2005 02:46:37 GMT
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Viewed:
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4427 times
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In lugnet.technic, Eric Sophie wrote:
> In lugnet.technic, Kevin L. Clague wrote:
> > Over the last few weeks, I've been working on a pneumatic hexapod that moves one
> > leg at a time.
> >
> > I got it working this morning. It is pretty cool.
>
> I'll say! Now I also say, "I get it!"
> I had to stare and read pretty hard.
> I'll send you my advil bill.
> (lol)
Sorry about the headaches..... ;^)
<snip>
> > Here are pictures of the leg lift/drop mechanism. The legs have a cute leg lock
> > mechanism driven by the horizontal small pistons.
> >
> > http://www.brickshelf.com/gallery/kclague/hex565/p9300004.jpg
> > http://www.brickshelf.com/gallery/kclague/hex565/p9300005.jpg
>
> NOW That rocks.
I really like the legs.
<snip>
>
> > Here is a closeup of a new piston/switch geometry I've been trying. It reduces
> > the amount the large piston can expand or contract, given the way it is hooked
> > to the switch. The switch itself constrains the piston. The cams prevent the
> > piston from pulling the perpendicular axle connector off the switch:
> >
> > http://www.brickshelf.com/gallery/kclague/hex565/p9300003.jpg
> > http://www.brickshelf.com/gallery/kclague/hex565/p9300007.jpg
>
> Ahhhhh Haaaaa, and you explained in English, I love it. This is integral.
>
> > This configuration uses about half the normal throw of a large piston.
>
> Still the volume of air is what counts, not the size or rather the length of the
> throw. (please humor me and pretend I know what I'm talking about.) Have pitty.
Ah, yes, but the volume of a cylinder is the area of the face of the cylinder
times the length of the cylinder.
By halving the length, we cut the total volume in half, right?
<snip>
> Kev, I think this is Uuum Badda Bad - go big Badda Boom.
>
> Excepting the fact that it is ugly, your continued application evolution
> astounds. Blend your machines with organics. Couple of monkey arms and your
> good.
>
> Just teasing your pure mechanics.
>
> You sir are the Pnuemo King.
> Exciting and inovative work. Thank you!
>
> e
Thanks!
Kev
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