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 Robotics / *32159 (-40)
  Re: Erroded axles
 
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)
 
  Re: legOS not working with external relay switches
 
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)
 
  RE: Stair Climber 4x4
 
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)
 
  RE: Stair Climber 4x4
 
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)
 
  Re: Erroded axles
 
(...) 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)
 
  Re: Erroded axles
 
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)
 
  Re: Stair Climber 4x4
 
"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)
 
  Re: Erroded axles
 
"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)
 
  RE: Stair Climber 4x4
 
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)
 
  Re: Re: Erroded axles
 
Try Plasti-Dip rubberized coating: (URL) your own "800" number (...) (23 years ago, 13-Mar-02, to lugnet.robotics)
 
  Stair Climber 4x4
 
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)
 
  Re: Erroded axles
 
(...) 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)
 
  Re: Erroded axles
 
(...) 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)
 
  Re: Erroded axles
 
(...) Unfortunately they slip well on ground too! Philo (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
 
  Re: Erroded axles
 
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)
 
  Re: legOS not working with external relay switches
 
I think I remember hearing that legOS full power is actually about 99% power ??? Something to do with an optimization to the code, which would otherwise require special handling ??? This is a vague memory - can others confirm ??? Max. ----- Original (...) (23 years ago, 12-Mar-02, to lugnet.robotics.rcx.legos)
 
  Re: Erroded axles
 
By the way, i think the worst problem is using that rubber treads. They are either too loos or too tough and make a lot of friction. Is it possible to purchase somewhere several packages of old catterpillar treads? ( I suppose it's #1230 service (...) (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
 
  Re: Erroded axles
 
(...) Thanks, i surely will, but it can take more than a week. I study too far away from home (and from my LEGO pieces :) of course..) but i will let you know any results. have a nice day Robert (23 years ago, 13-Mar-02, to lugnet.technic, lugnet.robotics)
 
  WinLNP
 
Hi, I downloaded the WinLNP and set it up, but i can´t make a communication beetewn the the IR Tower and RCX. Some of you could connect it? Thank you (23 years ago, 12-Mar-02, to lugnet.robotics)
 
  Re: Re: Using Laptop´s IR port
 
This is the only program I've found that uses an IrDA port as a trainable remote control: (2 URLs) this helps. Rob ___...___ Get your own "800" number (...) (23 years ago, 12-Mar-02, to lugnet.robotics)
 
  Re: A very inspiring design
 
Joe's awesome-- no doubt. Just when you think he's covered every style of bipedal motion, he comes up with another. I'd LOVE to see some more (besides Eric Sophie's brilliant creations) lego mecha that are actually mobile. I've yet to incorporate my (...) (23 years ago, 12-Mar-02, to lugnet.technic, lugnet.robotics, lugnet.build.mecha, lugnet.build)
 
  Re: Using Laptop´s IR port
 
(...) Probably not. I've done this with my palm pilot and it required major direct hardware stuff. You'll have to generate a 38kHz ir carrier signal. I doubt, that this is easy to achieve with a laptop. Are there any programs, that can emulate a (...) (23 years ago, 12-Mar-02, to lugnet.robotics)
 
  Not able to read sensor values from RCX-Unit
 
Hi, i'm trying to write a program that makes a Legoroboter able to navigate in different rooms / labyrints. For this the computer needs to know, when one of the touch-sensors is pressed. I use poll(9,x) for this. My problem is that the returned (...) (23 years ago, 12-Mar-02, to lugnet.robotics)
 
  Re: Linux driver for USB Tower
 
A better link would be (URL) you have to find the link for the Project Home Page (under Public Areas). Ed P.S. I am not involved either! Rainer Balzerowski <balze2@gmx.net> wrote in message news:Gpn9Lo.6E@lugnet.com... (...) (23 years ago, 11-Mar-01, to lugnet.robotics.rcx.legos)
 
  Using Laptop´s IR port
 
Hi, I have a laptop sony, and I wonder if I can used the laptop´s IR port to downloads the programs and use LNP? Thank you. I´m using Windows 2000 but i could use Linux if i need to . I don´t know much about linux :( I´m using LegOS 0.2.5 (23 years ago, 12-Mar-02, to lugnet.robotics)
 
  Re: Erroded axles
 
(...) I think that's just an inherent problem with lubricating parts. I don't think there is an easy way around it, unless we operate our models in a very clean environment. But even then it's hard to keep everything clean. (...) Have a look though (...) (23 years ago, 12-Mar-02, to lugnet.technic, lugnet.robotics)
 
  Re: Erroded axles
 
(...) Yes, i did it before posting the message. It is of no use for me, front axle is too low - too small ground clearance, every lubrication i tried catched dust and made things much worse. I didn't tried teflon (?tephlone?) as lubricatin yet. (23 years ago, 12-Mar-02, to lugnet.technic, lugnet.robotics)
 
  Re: Reading exceptions
 
(...) The 0078 is the method signature number of the method where the exception was thrown. The 8, is the least significant figure of the number referring to the exception class thrown. To get further information, you must add the -verbose option to (...) (23 years ago, 12-Mar-02, to lugnet.robotics.rcx.java)
 
  Re: Cybermaster on WinXP
 
I received an e-mail from someone who was able to successfully run the Cybermaster software on Windows XP. His tips are as follows: "1. Instead of using the Quicktime that comes with Cybermaster, I went to apple.com and downloaded the latest. It (...) (23 years ago, 12-Mar-02, to lugnet.robotics.cybermaster)
 
  Should I start regretting my VC impulse buy?
 
Hi all, I just received my Vision Command set, purchased on an impulse when I read a post on Lugnet that I could get it for $25 from KBtoys.com. It arrived today, and I've just spent a couple of fruitless hours trying to get the Lego camera to work (...) (23 years ago, 12-Mar-02, to lugnet.robotics.vc)
 
  Re: New Book - Core Lego Mindstorms
 
Thanks for the kind words Mario! I just want to mention to others who might be ordering to please use the Amazon Associates link on our leJOS web page: (URL) profits generated through this program will be used to obtain a domain name and hold (...) (23 years ago, 12-Mar-02, to lugnet.robotics)
 
  Book on Programming the RCX with Java
 
If anyone would like more information on the new book "Core Lego Mindstorms Programming" check out my announcement on Lugnet: (URL) (23 years ago, 12-Mar-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.java)
 
  Re: Lego mindstorms and windows 3.11
 
(...) There's only one class (PSerial_win.cpp) that has Win32 code in it. If someone wants to write a DOS version of the serial interface class (perhaps named PSerial_dos.cpp), I'll gladly include it in the distributions. Dave (23 years ago, 12-Mar-02, to lugnet.robotics)
 
  Re: legOS not working with external relay switches
 
three 2200uf capacitors fixed the problem but does anyone know why the difference between legOS and the standard firmware?? "Kingsley Gifford" <kgifford@thezone.net> wrote in message news:3C8BDD44.809080...one.net... (...) (23 years ago, 11-Mar-02, to lugnet.robotics.rcx.legos)
 
  Re: legOS not working with external relay switches
 
three 2200uf capacitors fixed the problem but does anyone know why the difference between legOS and the standard firmware?? "Kingsley Gifford" <kgifford@thezone.net> wrote in message news:Gss5st.I5F@lugnet.com... (...) (23 years ago, 11-Mar-02, to lugnet.robotics)
 
  Re: Erroded axles
 
Not the best picture, but dust heaps non-the less: (URL) (23 years ago, 11-Mar-02, to lugnet.technic, lugnet.robotics)
 
  Re: Erroded axles
 
I think you'd want to use a silicon lubricant, not greese. -- Greg (...) (23 years ago, 11-Mar-02, to lugnet.robotics)
 
  Re: Erroded axles
 
In lugnet.technic, Fredrik Glöckner writes: <snip> (...) Lubrication has been discussed quite a bit before. Be sure to check out "lubrication" under the Popular Subjects and FAQ section on the Technic front page: (URL) (23 years ago, 11-Mar-02, to lugnet.technic, lugnet.robotics)
 
  Re: Fw: exponents, e^
 
legOS isnt hard to setup on windows, but i think lejos is an easier environment to setup/use, especially for users who have no cygwin/unix experience.... (...) (23 years ago, 11-Mar-02, to lugnet.robotics.rcx.legos)
 
  Re: Erroded axles
 
(...) It is pretty normal to experience wear in LEGO axles and bushings and so on. In my experince, this is happens when you have a fast turning axle which runs for an extended period of time, especially when there is some load on the axle. I have (...) (23 years ago, 11-Mar-02, to lugnet.technic, lugnet.robotics)


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