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(...) What about using #32250 liftarms? They may not be large enough for your needs, but here's a pic: (URL) Regards Micah J. Mabelitini - LUGNET #918 The University of Kentucky SECC Middlesboro Academic Skills Resource Center accutron@kih.net - (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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Andy, I think the curved foot concept is the wrong direction for a two-legged mechanism. The few simple two-legged mechanisms I have seen rely on two feet, each with a VERY large footprint. Each footprint is large enough to support the weight of the (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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/nitpick on/ (...) Technically, you can't move your knee joint laterally. As for lateral toe movement - it's so small as to be trivial. /nitpick off/ Matthias Jetleb VA3-MWJ (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | OT: Was that you?
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While watching Wheel Of Fortune tonight (3/22), they had a contestant on named Michael ? (didn't get the last name) who said he builds and programs Lego Robots! Just wondering if this was The Michael Gasperi? On a game show? If not, who was it, and (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) Sorry I thought Koen wanted the plans for the truck not the transmitter, You don't ushally use the word 'Masterpiece' to describe a black box full of electronics, then again I should have read his entire posting. Steve (24 years ago, 23-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) But we should respect her right not to. Scott A (...) (24 years ago, 23-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: Robotics beginner question
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(...) It Is ;) .... witha couple of odd problems like the lack of delete[] and new operator, but they can be fairly easily overcame - Ciaran (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: 3 Robot Project - ALL DONE ALMOST
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Sorry about getting to this so late. This message got lost. (...) I suggest replacing the wheels on your caster with medium pulleys (the ones similar to 24t gears), WITHOUT putting the "O-ring" tires on them. I have found this to be an excellent (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) A flurry of activity! The r/c unit is indeed John's baby so you'd be best writing to him about it. It is an excellent unit which took a lot of work to source parts, design and build, so I think he has every right to receive a mometary reward (...) (24 years ago, 23-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: Curved Feet
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(...) How about curved railway track? IIRC that gives you pieces about 16 studs long (little less for inner rail, more for outer) with an angle of 1/16th full circle (22.5 degrees). You can then call the beast "big foot" :-) Jürgen (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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Well, if you read the page, you will find that they did papers on this principle. Try looking one directory back. Anyway, in the paper A 3-D passive-dynamic walking robot with two legs and knees, they described how they built the robot. Since thier (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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Yes, I tried it. I don't know how the internals of the RCX work; all I know is I put 12V in, and got 9V out. -- Mark Haye, mhaye(at)tivoli(dot)com "Matthias Jetleb" <jetleb@netcom.ca> wrote in message news:3ab97dfc.301576...net.com... (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) Great! If there's anything I'd like to be able to have instructions to it's probably your models. (and perhaps the MIBO dog will go on the same list...) - David (24 years ago, 23-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: Curved Feet
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(...) Many Znap set have smooth curve part. They can be connected to Technic parts. (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Lego Remote Control - Here's The Scoop
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Hi ! As some of you have noticed, Ms. Jennifer Clark showed off her beautiful new truck model at the Cheshire Legofest recently. The truck was equipped with a prototype radio control system which she has been kind enough to test for me. The (...) (24 years ago, 23-Mar-01, to lugnet.technic, lugnet.robotics)
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| | Solar Cell Output in Direct Sunlight
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Well, it finally got sunny here. In direct sunlight, the solar cell seems to put out about 4V, 135mA (24 years ago, 23-Mar-01, to lugnet.robotics, lugnet.dacta)
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| | Re: Curved Feet
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After viewing the walder movie, I wonder if it would work with flat feet, and an ankle joint? Gravity would keep the flat foot pointed down when the leg was lifted. - pete. (...) -- Pete Sevcik sevcik@flash.net Techno-stuff Robotics (URL) for FUN ! (24 years ago, 24-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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Is this set still available? If so, does anyone know where it may be purchased? (URL) (24 years ago, 24-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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What kind of ankle joint? A motorized one, or passive one? If it is the first type I think the leg will be too heavy to be moved quickly. That is critical since the robot falls onto itself. Looking closer at the design, I think that you only need to (...) (24 years ago, 25-Mar-01, to lugnet.robotics)
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| | Re: Solar Cell Output in Direct Sunlight
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(...) I'd suggest that you try this again mid-summer. The solar radiation angle is still fairly low at this time of year with much of the energy being scattered by the atmosphere as well as being spread over a larger surface area of the earth. I (...) (24 years ago, 25-Mar-01, to lugnet.robotics, lugnet.dacta)
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