 | | Re: Results for Aluminum Can Stacking Contest at BrickBots.Com
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(...) [SNIP] (...) I have found that mobile robots, and stationary 'machines' are very different design challenges. A bit over a year ago I had made all sorts of mobile robots and found myself in a rut of building certain structures and units over (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Re: Results for Aluminum Can Stacking Contest at BrickBots.Com
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That first place machine - Wonderful! My congratulations. And a great scheme Rich. It is often a lot more difficult than it looks to make mechanisms as complicated as this work properly. (...) When I first got my RIS a year or so ago, I decided to (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Results for Aluminum Can Stacking Contest at BrickBots.Com
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The Aluminum Can Stacking Contest ended yesterday, it was a ton of fun and here are the highly anticipated (at least for me) results: First Place, stacking 5 cans in 1 minute 25 seconds, earning 6 points Matt with his Stack Master 1000 - (URL) is a (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Old Contest at BrickBots.Com - Aluminum cans
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First I would like to thank Richard Sutherland for Brickbots.com and his Contests. I tried to make a can stacker. I learned a few things first you can never have to many Legos. (Need more). Second his seemly easy contest was a lot harder than it (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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Michael I can't seem to get to your URL. Can you check it and reply. I really can't wait to see what you have done. SteveB (...) (25 years ago, 1-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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You could try my switch - (URL) out for Lego and Models ... I build this thing using a rubber-band so you can let it run without the switch destroying itself. Just let the motor run a view seconds until the point switches it's position. Michael (...) (25 years ago, 1-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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There's a lot of activity around Lego trains. Clubs, fans, shows, web sites, and lots more. If you look around, you should find some suggestions. Try this page for starters: (URL) a page with some information on point motors: (URL) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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(...) (note some heavyhanded snippage) Well, it wouldn't be entirely elegant unless you mounted the mechanics under your substrate, but if you were to gear down the movement so that the white clutch gear had to exert less torque to overcome the (...) (25 years ago, 1-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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Steve, If you are willing to use non-lego parts, there is a reliable solution. You can build a limit switch that does not use any sensor inputs. You need two "normally closed" switches, and two diodes. Solder a diode across each switch. Wire the (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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Try putting belt drive stage in your geartrain so it can't destroy things and use touch switches to limit the travel... (25 years ago, 1-Dec-00, to lugnet.trains, lugnet.robotics)
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