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 Technic / 15538 (-20)
  Re: Request: 1/19 scale tank/heavy machinery for PDX
 
(...) Don't everyone jump up at once! I'm just looking for something that looks nice and will at least roll. Just to elaborate on my first post, this would be for display only - I'm not asking to take it home with me :-P If you have any other (...) (18 years ago, 1-Feb-07, to lugnet.build, lugnet.technic)
 
  Re: Mindstorms question
 
(...) Come to think of it; if the difference in torque triggers a switch, that switch might as well trigger the off switch to the blade motor. The whole thing could be done 100% mechanically without the Mindstorms kit. Bummer. Oh well; that kit will (...) (18 years ago, 31-Jan-07, to lugnet.technic)
 
  Re: Mindstorms question
 
(...) Thanks for the reply. If everything you say is true, I might use multiple white clutch gears on one axle, gear them to a differential and use the difference in torque to trigger a lever- which can activate the touch sensor. It sounds better to (...) (18 years ago, 31-Jan-07, to lugnet.technic)
 
  Request: 1/19 scale tank/heavy machinery for PDX
 
Hi I've usually a lurker on lugnet, but as Brickfest PDX nears I figure its time to speak up. I'm hoping to bring a 14-wide model semi with lowboy in the Model Team style to this brickfest. I've been building it for almost a year, and should have it (...) (18 years ago, 31-Jan-07, to lugnet.build, lugnet.technic)
 
  Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
 
(...) camera angle and lots of action! I liked it! (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
 
  Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
 
The second set of arms on Mike's robot gives it better mobility. They make its overall tread length much longer, so it can treat stairs like a ramp instead of, well, stairs, and that makes it faster at climbing them. The arms also let it raise the (...) (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
 
  Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
 
(...) Ha! Methinks you underestimate the talents (not to mention obsession) of the other folks in this event <grin>. Seriously, thanks for the kind words, and I'm very happy with it, but now the rest of you know yet another way to try to do it. Go (...) (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
 
  Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
 
(...) well, in all honesty I shamelessly implemented a solution I had already known about: PackBot by iRobot. I won't remotely claim the idea originated with me, as it didn't. I was inspired by the "real world" here. That said, I'd not run across (...) (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
 
  Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
 
(...) Thank you both Matthias & Philo (and others!). give them an inch indeed... first, I really feel i need to apologize for *not* CADing this up. I've tried to CAD stuff, but the combination of my chosen platform (Mac) coupled with where I like (...) (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
 
  Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
 
Brian, your rock crawler is quite interesting to me because you've rediscovered the design of a real-world reconnaissance robot: (URL) designer is related to my boss in some manner that I can't recall, but he was up at our office last summer showing (...) (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
 
  Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
 
(...) go nuts when they see the video! (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
 
  Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
 
(...) Same comments and feelings here ;o) Brian, it would help to reproduce your outstanding design (and maybe CAD it!) if you could provide higher resolutions photographs somewhere... Philo (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
 
  Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
 
Brian, (...) Absolutely awesome! /Matthias (deeply impressed) ps Now I'm going to wait day and night for the LDraw file ;-) (give them an inch and they will take a mile...) (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
 
  Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
 
(...) OK, I hammered on it some more, and made a much more fun video. I updated Brickshelf with some "deconstruction" pictures that show how to build it (hey, I didn't say they made it *easy* to build it): (URL) the video on YouTube, with my son (...) (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
 
  Re: Help with balancing cantelevered WIP project.
 
"Aaron Sneary" <aaronsneary@NOSPAMyahoo.com> skrev i en meddelelse news:JCJGqJ.2EJ@lugnet.com... (...) Have you been building to an exact scale with measures? It seems to me that your overhanging arm is longer (relative to the height of the (...) (18 years ago, 28-Jan-07, to lugnet.build, lugnet.technic)
 
  Re: Help with balancing cantelevered WIP project.
 
(...) Hi Aaron, From memory, the boat weights are only about 20 grams each. That's less than 1 oz. So you'd need quite a few. I have used fishing sinkers for counterweight before - you could fit quite a few inside that control room or whatever it is (...) (18 years ago, 27-Jan-07, to lugnet.build, lugnet.technic, FTX)
 
  Re: Help with balancing cantelevered WIP project.
 
"Aaron Sneary" <aaronsneary@NOSPAMyahoo.com> wrote in message news:JCJGqJ.2EJ@lugnet.com... (...) There are two main things and several minor things you need to keep in mind here. 1. The arm piece extending out of the tower can only extend so far (...) (18 years ago, 27-Jan-07, to lugnet.build, lugnet.technic)
 
  WIP - Red Quad
 
I have been working on this Red Quad. Contains the NXT. Work in Progress. (URL) (18 years ago, 27-Jan-07, to lugnet.build.mecha, lugnet.technic, lugnet.robotics.nxt, FTX) ! 
 
  Help with balancing cantelevered WIP project.
 
I would love some suggestions on keeping this WIP project from tipping over: (2 URLs) The tower stays together, with a technic beam running up the back side. But the whole baseplate flexs and tips over with the weight of the overhanging arm. And (...) (18 years ago, 27-Jan-07, to lugnet.build, lugnet.technic, FTX)
 
  Re: Mindstorms question
 
Hi Nathan, (...) the RCX rotation sensor should work on sensor ports like all legacy sensors, provided it is supported by the firmware. It would also be possible to build a rotation sensor for the motor ports, i.e. like a NXT motor without the motor (...) (18 years ago, 27-Jan-07, to lugnet.technic)


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