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Hi, I´m having a problem downloading a problem to the RCX, when a try to download the program, apeear a the messenge "error creating program". Do you any idea what could be causing this problem? Thank You (23 years ago, 14-Mar-02, to lugnet.robotics)
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| | Re: New Book - Core Lego Mindstorms
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(...) Sounds great! Can't wait to get it. Later, Gary (23 years ago, 14-Mar-02, to lugnet.robotics)
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| | Re: NY aqueduct tunnel inspector bot
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I think you'll find most underwater ROV are on a tether....took difficult to control (and lose) without one. Fiber optic cable would suffice with IR. This cable can be had fairly cheaply. I get mine as leftover pieces from FO cable installers for (...) (23 years ago, 14-Mar-02, to lugnet.robotics)
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| | Re: Stair Climber 4x4
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We (LEGO Robotics Group of Ann Arbor) recently had our Stair Climbing event here in Ann Arbor. The 3 bots that competed all had very similar designs to the item you link to. We competed on a 5 step stair case that had a total rise and total run of (...) (23 years ago, 14-Mar-02, to lugnet.robotics)
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| | NY aqueduct tunnel inspector bot
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(URL) found this article talking about remote robotic submersible tunnel inspection very interesting. I recall a Mindstorm tunnel-roof inspector bot that was part of my inspiration to build my own remote sensing bots, such as the LIDARStation: (URL) (...) (23 years ago, 14-Mar-02, to lugnet.robotics)
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| | Re: Erroded axles
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Why not try spray graphite ? It's dry so dust won't stick : ) Robert Seifert <seifrob@hotmail.com> wrote in message news:Gsuz9F.GDE@lugnet.com... (...) axle (...) (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: legOS not working with external relay switches
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quite possibly. I havn't hooked up a scope, but it seems to be as close to full power as possible....interesting "Max Bowsher" <maxb@ukf.net> wrote in message news:006401c1c9ec$bd...ibm.com... (...) power (...) otherwise (...) (23 years ago, 13-Mar-02, to lugnet.robotics.rcx.legos)
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| | RE: Stair Climber 4x4
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Very nice, I really liked the speed you managed to achive with this guy. A nice touch with the video too. Got me very interested in building something similar. /roppert (...) (23 years ago, 13-Mar-02, to lugnet.robotics)
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| | RE: Stair Climber 4x4
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Cheers, It's actually a very easy design, the java simulation shows how it is all arranged. -----Original Message----- From: Robert Gravsjo [mailto:roppert@roppert.nu] Sent: 13 March 2002 18:41 To: Robert McGlade Cc: lego-robotics@crynwr.com (...) (23 years ago, 13-Mar-02, to lugnet.robotics)
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| | Re: Erroded axles
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(...) The come apart when side-loaded, or when they snag on something (like carpet). They also can come apart when put into too much tension. (...) You can attach small 1xn plates to the links, but the connection isn't very good. You can't count on (...) (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Erroded axles
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I read this in your [fantastic, best LEGO robot book ever] book as well, but don't understand it. The snapping action of the links doesn't open in the direction they would be loaded in use, so how do they come apart? Did you try them in both (...) (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Stair Climber 4x4
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"Nickle, Steven (2511)" <Steven.Nickle@esavio.com> wrote in message news:Gsx86v.8p7@lugnet.com... (...) (URL) (...) thinking about it. does anyone have any mechanisms that i could work on that would completely transfer drive from one output to (...) (23 years ago, 13-Mar-02, to lugnet.robotics, lugnet.technic)
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| | Re: Erroded axles
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"Mario Ferrari" <mario.ferrari@edis.it> wrote in message news:Gsx3AG.HM3@lugnet.com... (...) looking at the links it would seem to me that you could increase the tread over rough terrain by adding grip plates to the bottom. or maybe slip plates (...) (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
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| | RE: Stair Climber 4x4
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Not sure that this is of any interest to you but I built a low level climber: it's a lot of fun and fast. Here is the link to some vidoes and a java simulation of the leg co-ordination it's called bi-hex+1, only watching the videos can exaplain it's (...) (23 years ago, 13-Mar-02, to lugnet.robotics)
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| | Re: Re: Erroded axles
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Try Plasti-Dip rubberized coating: (URL) your own "800" number (...) (23 years ago, 13-Mar-02, to lugnet.robotics)
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| | Stair Climber 4x4
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Doing a search on stair climbing robots, I came accross this link: (URL) basic chassis should be buildable with Legos. Could be reasonably quick. Any thoughts? (23 years ago, 13-Mar-02, to lugnet.robotics)
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| | Re: Erroded axles
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(...) for (...) to (...) And also take apart easily when under load, or when your vehicle runs over rough terrain :-( I love their modularity, but they are much less than optimal for all the other aspects. Mario (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Erroded axles
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(...) Didn't you try to glue piece of rubber to the side that is in contact with ground? It should help. (If you aren't LEGO purist, of course - in that case you shouldn't even read it! You are risking serious nightmare. :-))))) have a nice day (...) (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Erroded axles
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(...) Unfortunately they slip well on ground too! Philo (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Erroded axles
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They're still available at Pitsco-Dacta for $7.50 a pack of 36 links, but they probably don't ship overseas. Someone is always selling a couple packs on eBay for $9.99, maybe he'll ship overseas. I just bought 2 packs, and 36 links appears to be a (...) (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
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