 | | Merry Christmas
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Hi all, I hope that this time of year finds all well. I'm still lamenting Travis' death. To those who celebrate it: Merry Christmas! Kevin (21 years ago, 25-Dec-03, to lugnet.technic)
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| | Re: JCB JS220 Excavator
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(...) Simply amazing! The superstructure design and detail is so close to the real JS220 that at a glance it is difficult to discern between real and Lego. What makes it more amazing is the amount of mechanical stuff underneath the superstructure. (...) (21 years ago, 24-Dec-03, to lugnet.technic, FTX)
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| | Re: New Williams
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(...) Thanks! (...) Thanks muchly! Here's the secrets of the front steering/wishbone suspension module: (URL) and here: (URL) It uses an old style steering linkage (cant remember part number, will post as soon as I find) sandwiched between two 1x3 (...) (21 years ago, 22-Dec-03, to lugnet.technic, lugnet.modelteam, FTX)
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| | Lego Flight
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Hey I'm back at it with the start of a new glider. Right now its just being built, though I am trying some new ideas. The biggest new feature will be air foil shapped wings. I do have one question though. Do you guys think that a rough air foil (...) (21 years ago, 20-Dec-03, to lugnet.technic)
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| | Re: New Williams
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(...) Cool looking model, Matthew... but I've got some questions: I can see some kind of steering. How does it work? How could you add steering to those real A-arms (and not having to do that using the conventional method) and fit it to the narrow (...) (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.modelteam, FTX)
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| | Re: I was thinking about bipedal walkers this morning and....
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(...) It doesn't work (yet), but it's very close... (URL) K (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Re: I was thinking about bipedal walkers this morning and....
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(...) I have almost nothing to contribute to discussions re: robotics, but I spotted this marginally relevant story on cnn.com: (URL) of course. Dave! (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Re: Technic set 8855
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XFUT: lugnet.market.buy-sell-trade (...) Or Bricklink, there's at least one in a sealed box: (URL) Best regards, /Tobbe (URL) (remove SPAM when e-mailing) (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.market.buy-sell-trade)
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| | Re: Technic set 8855
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(...) You can try eBay: (URL) This set usualy appears from time to time. Currently there's one, but it's ending in six hours so you must hurry. - David (21 years ago, 19-Dec-03, to lugnet.technic)
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| | Re: I was thinking about bipedal walkers this morning and....
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Lots of responses to my post, so I'm following up my own post to address all of them. A lot of people are pointing out that this has been done before in the field of robotics, but what I was actually asking about is if it's been done before in (...) (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Technic set 8855
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This came out when I was about 11 and I wanted it so bad. Two problems: 1. It wasn't available in India at that time 2. None of my relatives were kind enough to shell out $120 for it Fast forward 14 years, I'm now in the US, am employed and have (...) (21 years ago, 19-Dec-03, to lugnet.technic)
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| | Re: I was thinking about bipedal walkers this morning and....
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(...) Parallax markets the Toddler, which is a walking Robot that shifts its center of gravity to walk. It turns by sliding its feet in opposite directions. It has 34 possible movements. (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Re: I was thinking about bipedal walkers this morning and....
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Now, think about what physically goes into making yourself walk. How much energy and control is involved? Try walking on a flat, level surface (or better, one at a slight decline, like a very long handicap ramp). Walk with your natural gait, at the (...) (21 years ago, 19-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Re: JCB JS220 Excavator
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Hello I have been trying to build a model based on this one. But I have been having trouble on how to connect the boom or arm to the super structure. If anyone has any idea please share. Thanks "Jennifer Clark" <jen@vulture.dmem.strath.ac.uk> wrote (...) (21 years ago, 18-Dec-03, to lugnet.technic)
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| | Re: I was thinking about bipedal walkers this morning and....
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(...) More info here (URL) (21 years ago, 18-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Re: I was thinking about bipedal walkers this morning and....
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(...) Dunno but this non-LEGO robot (with knees) has been taught to run (URL) wish there was a video available on the net somewhere - I saw it on TV yesterday, and though it's difficult to tell it's running, it does seem rather more "human-like" (...) (21 years ago, 18-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Re: Connecting New Cylinders
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(...) I think I'd be worried that bending forces when operating the cylinders could cause the thin liftarm to snap the inlet. At least with the wide liftarm, the forces would be carried by a substantially larger area, and with the hose also (...) (21 years ago, 18-Dec-03, to lugnet.technic)
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| | Re: I was thinking about bipedal walkers this morning and....
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(...) Hi Mark, I have never seen a walker like this. I'd be the last person to say it can't be done. Kevin (...) (21 years ago, 18-Dec-03, to lugnet.technic, lugnet.robotics)
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| | I was thinking about bipedal walkers this morning and....
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Consider the way we walk... we start by effectively starting to lean slightly forward, and we swing a leg some distance in front of ourselves to stop from falling. We then start to bring the other leg forward as we reupright ourselves and repeat the (...) (21 years ago, 18-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Re: Connecting New Cylinders
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(...) This solution should also work for small pistons. I'd have less concerns about breaking them due to excess stress. Kevin (21 years ago, 18-Dec-03, to lugnet.technic, FTX)
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