 | | robotica on TLC
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After seeing all the commercials for the past couple of weeks, I was looking forward to this show on TLC called "Robotica". What a disappointment. Where were the robots? They kept talking about robots the whole time. Maybe I'm missing something (...) (24 years ago, 5-Apr-01, to lugnet.robotics)
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| | legs anyone?
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Hello all- has anyone worked on a biped-type robot? I've got my class working on making a leg & hip system right now. They are making knees and ankles and gearing the hip to throw weight forward so that the robot walks. Any photos of existing (...) (24 years ago, 5-Apr-01, to lugnet.robotics)
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| | Re: I wish Lego made an "Anti-Backlash Gear"
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As this discussion grows, I submit: (that) Part of the problem with Mechanical flex, Gear "Backlash" if you will, Derives from many aspects when we model maximun preformance from Axles, Gears, and all the elements combined to produce desired (...) (24 years ago, 5-Apr-01, to lugnet.robotics, lugnet.technic)
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| | Re: I wish Lego made an "Anti-Backlash Gear"
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cool idea..... (...) (24 years ago, 5-Apr-01, to lugnet.robotics)
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| | Re: How about ideas for new elements?
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(...) I think a sub group for 'modifiers' is a good idea. I haven't cut up any pieces myself, broken loads, but never sawn any up. What I will admit to is strenghtening parts, particulary universal joints. I bind the ends with sellotape as the (...) (24 years ago, 5-Apr-01, to lugnet.robotics)
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| | Re: How about ideas for new elements?
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(...) Nah, keep the posts in the main group as a constant source of temptation for the purists :-) I take your point about these mods really coming into play when you have a large collection of parts - when I was young and had a very limited amount (...) (24 years ago, 5-Apr-01, to lugnet.robotics)
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| | Re: I wish Lego made an "Anti-Backlash Gear"
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(...) You can use those half beveled gears(with the recess) back to back as one gear, and one (maybe 2) crown gears as the gear on the other shaft. It depends on what the setup requires as of gear setup to work. Andy (...) (24 years ago, 4-Apr-01, to lugnet.robotics)
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| | Re: I wish Lego made an "Anti-Backlash Gear"
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(...) Explain 'Hmmm...' :-) I of course omitted the fact that my solution as described produces no mechanical advantage just a shaft going in the opposite direction. Of course, you can always replace the pair of gears on the second shaft with a pair (...) (24 years ago, 5-Apr-01, to lugnet.robotics, lugnet.technic)
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| | Re: I wish Lego made an "Anti-Backlash Gear"
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Hmmm... (...) (24 years ago, 5-Apr-01, to lugnet.robotics, lugnet.technic)
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| | Re: I wish Lego made an "Anti-Backlash Gear"
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(...) I was going to say this solution is easy, but then I tried it. There are only two shaft's in this example. As lego don't make don't make a 'double width gear' You'd have to use four to make it in lego. All you'd need is three normal 16 tooth (...) (24 years ago, 5-Apr-01, to lugnet.robotics, lugnet.technic)
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