 | | Classic timing circuits and XOR gates (long)
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I've been making progress on SSClagorpion draft 1..... Inchworm ( (URL) ), Quad242 ( (URL) ) and Hes363 are precursors to SSC in many ways. On Inchworm I invented an asynchronous design technique for creating pneumatic circuits with complex (...) (19 years ago, 5-Aug-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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hi kevin, looks good, only a few thinks are not cleare to my, are the XOR gates somware in the body whare the don't have any oder function?....... and do the legs just need to keep up whit the central timing system?..... or did the walker make sure (...) (19 years ago, 8-Aug-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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In lugnet.technic, Kevin L. Clague wrote: (SNIP) (...) (SNIP) (...) (SNIP) (...) (SNIP) (...) Can I suggest that in order to avoid leaks (very important in walking robots!) you use the full XOR gate from my diagram: (URL) single switch is the right (...) (19 years ago, 8-Aug-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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Hi People, I really appretiate the circuits Mark has put up, they are very instructive, and between you you guys are taking Lego pneumatics before I have seen it go before. But - in your diagrams, you do not label the components - which make them (...) (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: Pneumatic logic diagrams
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(...) Thanks for taking a look at clarity of drawings. I have made some improvements since I drew that one - I now use thinner lines for the straight bits to represent flex tube. This reduces the balloon effect in the model, so its use is desirable (...) (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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(...) Yes, the XOR gates are not load bearing, but somewhere in the body. I tried to make the legs "just follow allong", but this did not guarantee that the legs were all weight bearing when needed, and it fell. I added a switch to each leg hooked (...) (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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(...) (SNIP) (...) your diagram is particular to your overall circuit, right? (...) Absolutely..... I've found that a single can do the task, but only at maximum pressure. (...) Agreed... I had to add race killing by synchronizing leg up and down (...) (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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In lugnet.technic, Kevin L. Clague wrote: (SNIP) (...) Here is a picture of SSC1 (URL) 1 has eight legs broken into two groups of four. The circuit is based on a two piston, negative feedback loop. This feedback loop can be described as: Piston B (...) (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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(...) Yes, four switches in one bank (grab) and one in the other bank (wrist) make the XOR gate. (SNIP) (...) I have the double reverser scheme in my shuttle circuit at the moment. I didn't see the need for finer phase adjustment yet, since the (...) (19 years ago, 9-Aug-05, to lugnet.technic)
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| | SSC: Re: Classic timing circuits and XOR gates (long)
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(...) I don't care what Eric says. This is pretty just like it is. :) (sorry to stray from pneumatics) It looks like a totally studless design. (some of the beams used are studded, but could be replaced with studless) Is that correct? I don't see (...) (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: SSC: Re: Classic timing circuits and XOR gates (long)
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(...) No plates, but the studded beams are chosen for the superior strength they provide. (...) No, and this is a problem. SSClagorpion 2 will have all the legs have the same sweep, *but* the body will not be rectangular. I've been trying to avoid (...) (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: SSC: Re: Classic timing circuits and XOR gates (long)
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(...) Thanks! Actually Eric never said anything about the beauty factor, in fact just the opposite. I contacted him about colaborating for something with "real attitude" which is something his designs excude! I try to make my designs nice looking, (...) (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: SSC: Re: Classic timing circuits and XOR gates (long)
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(...) Yes, I was just going to suggest shocks to push feet out. It would create a knee, to bend in and out as it walks. Steve (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: SSC: Re: Classic timing circuits and XOR gates (long)
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(...) you don't need a rectangular body when you used elbow extention like i did in my hexapod, the front leg's contracts whane it's sweep back and extend when it sweep's forward so the front legs can stay where the are, on the front of the body :) (...) (19 years ago, 9-Aug-05, to lugnet.technic, FTX)
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| | Re: SSC: Re: Classic timing circuits and XOR gates (long)
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What'd I say? What'd I say! e (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: SSC: Re: Classic timing circuits and XOR gates (long)
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(...) Well, I was interpreted Steve's comment (...) as indicating that you didnt think my MOCs were beautiful enough, so you offered to help me with that..... I know he was just joking though.... I just wanted to make it clear for those not in the (...) (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: SSC: Re: Classic timing circuits and XOR gates (long)
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Steve adds cool factor and makes sure the creation will have a funny name. e (19 years ago, 9-Aug-05, to lugnet.technic)
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| | Re: SSClagorpion1
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Kevin, my respects, that is amazing. (URL) they do it? Youbetcha!>> SSClagorpion1 Pneumatic eight legged walker by: Kevin Clague e (19 years ago, 10-Aug-05, to lugnet.technic, FTX)
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| | Re: SSC: Re: Classic timing circuits and XOR gates (long)
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(...) That is only scratching the surface. Steve is a great thinker, and is inventive. SSClagorpion 1 has legs that lock when they are weight bearing. It is not something I would have though about. My first attempts were very big, but I think you'll (...) (19 years ago, 10-Aug-05, to lugnet.technic)
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| | Re: SSC: Re: Classic timing circuits and XOR gates (long)
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(...) aww, shucks. That's pretty nice coming from one of the most artistic LEGO builders I've met, and also someone who can do more things with air than anyone I know... (...) Why are you typing? Get back to building... :) We want to see this thing (...) (19 years ago, 10-Aug-05, to lugnet.technic)
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<snip> (...) <snip> That is absolutely amazing, I thought your last walker was incredible but this thing is simply mind boggling! Well done! (allthough that comment doesn't do your work justice :) Cheers Dre (19 years ago, 11-Aug-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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(...) Out of date reversors. Now my reversors are simply four switches in the same configuration as in XOR gates. (...) Good thing I don't use that design any more ;^) (...) Yes, you can make the engine run more or less efficiently which maps to (...) (19 years ago, 12-Aug-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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(...) Thanks! It doesn't walk agressively like I'd like, but a simple body rebuild (hah!) will fix that. (...) Thanks, Kevin (19 years ago, 12-Aug-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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(...) (SNIP) (...) Ah yes, like this (URL) you have any pictures of how you used the reversors? How successful have they been in your walkers? Mark (19 years ago, 3-Oct-05, to lugnet.technic)
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| | Re: Classic timing circuits and XOR gates (long)
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(...) Yes. I've used it in walkers to switch from forward walking to reverse walking, and to switch from walking to turning and back. I move them by hand, rather than with pistons. With pistons, I consider them XOR gates. They work very well. Thanks (...) (19 years ago, 3-Oct-05, to lugnet.technic)
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