 | | Re: Technic Turntables
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(...) Try BrickLink. Gray turntables are here: (URL) sellers (including me!) ship internationally. I have 6 listed: (URL) Doucette. Falling Bricks (URL) (22 years ago, 14-Nov-03, to lugnet.robotics, lugnet.market.buy-sell-trade)
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| | Technic Turntables
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I've been looking for a while and have not been able to find any sites where I can buy Technic Turntables individually. I found one for sale on ebay (for $9) but I need four, and it would be much more convenient if it could be shipped to the UK. I (...) (22 years ago, 14-Nov-03, to lugnet.robotics)
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| | 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 (...) (22 years ago, 14-Nov-03, to lugnet.technic, lugnet.build, lugnet.robotics)
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| | IR leds, was Re: Spybot studies: SetTxDirection() confusion
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... Just reading an old post and saw my mistake: of course 880 nm is closer to red (650nm) than 940nm !!! Here is the correct text I should have sent : "I think these emitters are different wavelength, 880nm for the pointing up one, 940nm for the (...) (22 years ago, 14-Nov-03, to lugnet.robotics.spybotics)
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| | Re: Pneumatic Quadraped 242
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(...) That happens with large pistons. (...) I knew you would ask :^) (...) 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 (...) (22 years ago, 14-Nov-03, to lugnet.technic, lugnet.build, lugnet.robotics)
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| | Re: Pnumatic Grabber arm using Large (48mm) cylinders
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(...) logging machines were inspired by the elephants once used to move logs about, they seem to have similar configuration and work in a similar way. The steering is brilliant, one of the rear axles steers in addition to the model articulating in (...) (22 years ago, 14-Nov-03, to lugnet.robotics, lugnet.technic)
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| | Re: Pnumatic Grabber arm using Large (48mm) cylinders
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Here be grabbers: (URL) last two use the small cylinder, but I'm sure you can beef things up a bit and use the big ones. Have fun! :) (22 years ago, 14-Nov-03, to lugnet.robotics, lugnet.technic)
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| | Re: Pneumatic Quadraped 242
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(...) Wow, that's massive! And a video of at least one cycle would be helpful :) Why the large footprint? (22 years ago, 14-Nov-03, to lugnet.technic, lugnet.build, lugnet.robotics)
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| | Pnumatic Grabber arm using Large (48mm) cylinders
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Hi, i want to build a small pnumatic grabber for a little single rcx robot that i am building. The only problem is, i only have the pnumatic parts from the backhoe and ultimate builders set. I can't seem to come up with a design for a grabber that (...) (22 years ago, 14-Nov-03, to lugnet.robotics, lugnet.technic)
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| | Re: Motor Power
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G'day Gahlord, Just outof interest, as an experiment with my science class, we easily towed 30kg (66pounds) on a trolly, using a robot with two motors, 8 tooth gear driving a 40 tooth gear. Traction was the limiting factor, with tyres slipping - the (...) (22 years ago, 14-Nov-03, to lugnet.robotics)
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