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Subject: 
Re: Hex565 - one leg at at time pneumatic hexapod
Newsgroups: 
lugnet.technic, lugnet.robotics
Date: 
Wed, 5 Oct 2005 02:46:37 GMT
Viewed: 
9679 times
  
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



Message is in Reply To:
  Re: Hex565 - one leg at at time pneumatic hexapod
 
(...) 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) (...) Oooohhh Ya, I like that. (...) Amazing! Short vowels. (...) Still the volume of air is what counts, not the size or rather the (...) (21 years ago, 5-Oct-05, to lugnet.technic, lugnet.robotics)

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