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In lugnet.technic, Tobbe Arnesson wrote:
> > More pictures of Quad242 are available here after moderation:
> >
> > http://www.brickshelf.com/cgi-bin/gallery.cgi?f=63133
> >
> > PLMKWYT.
>
> Wow, that's massive!
That happens with large pistons.
>
> And a video of at least one cycle would be helpful :)
I knew you would ask :^)
>
> Why the large footprint?
So it doesn't tip!?! The center of mass is not always in line with the center
of the footprint, so it can tip to one side or the other of the down feet
diagonal.
Also the model is not symmetric because two of the four legs have an extra
piston.
Adding two more legs would make a hexapod, and the feet could be very small.
I've two pneumatic polarity reversers and now it can calk backwards and forwards
with just a flip of a few pneumatic switches.
Kevin
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Message has 1 Reply:
 | | Re: Pneumatic Quadraped 242
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| (...) I've added a total of four polarity reversers and now it can walk forward, backward, and turn right and left (within its own footprint)! The transistions from turning to walking and walking to turning involves flipping two of the polarity (...) (21 years ago, 14-Nov-03, to lugnet.technic, lugnet.build, lugnet.robotics)
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