 | | Re: Discontinuous motion.
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(...) I've tried that - it jams periodically when the teeth of one wheel meet point-to-point against the teeth of the wheel it's driving. This seems to be because of the strange angle at which the first wheel approaches the second at it initially (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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"Steve Baker" <lego-robotics@crynwr.com> wrote in message news:3CAA6B95.CB1986...ail.net... (...) (A) (...) you (...) rotating (...) You can do this without modifying any gears. To approximate a gear with teeth missing, all you need to do is have (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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(...) Yes - that's essentially what I did when I said: (...) I used a large gear to mount the smaller one off-axis instead of the 'arm' you describe - but functionally, it's the same. The trouble is that during the period when the two gears are not (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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(...) Thanks - but that's not what I'm after. I want the input shaft to be rotating continuously - and the output shaft to be stationary for some relatively large amount of time - then suddenly rotate for a short time. This cycle should be repeated. (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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(...) No - I *won't* consider hacking away at my Lego parts - however, it may be possible to take that idea and build something that would be similar. ---...--- Steve Baker ---...--- Mail : <sjbaker1@airmail.net> WorkMail: <sjbaker@link.com> URLs : (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | Re: Discontinuous motion.
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(...) Yes - pretty good stuff. So it looks like I need to find an 'interpretation' of that Geneva Escapement in Lego. (Yikes!) ---...--- Steve Baker ---...--- Mail : <sjbaker1@airmail.net> WorkMail: <sjbaker@link.com> URLs : (8 URLs) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | RE: PBrick for PalmOS
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I'm really interestied by program the RCX by Palm. But I need to know how to devellope program for Palm. Can you Help me ? nanobapy -----Message d'origine----- De : Till Harbaum [mailto:harbaum@tm.uka.de] Envoyé : mercredi 3 avril 2002 15:53 À : (...) (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | PBrick for PalmOS
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Hi, i finally put up a web page for my PBrick project (Palm RCX bidirectional IR communication). Have a look at (URL) Till (23 years ago, 3-Apr-02, to lugnet.robotics)
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| | RL 2.5 and 2.0 incompatibility
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A cautionary note for situations where RL 2.5 and 2.0 co-exist as in schools which are in transition to upgrading their software. Be aware that if an RCX has RL 2.5 firmware, programs downloaded from RL 2.0 will only go to slot #3. So additional (...) (23 years ago, 3-Apr-02, to lugnet.robotics.rcx.robolab)
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| | Re: Discontinuous motion.
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Bill, This exact same question was posted several months ago but I don't remember the sollution that they came to. This is my Idea: Ok you take two pulleys, pulley (A) is smaller then pulley (B). You then conect the 2 pulleys via a linkage so that (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | Rcx Question And Radio Controlled.
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Hi again. I was wondering ?? Can the Rcx be Controlled off the pc via the rcx ? or the Nqc program ? If so how can I boost the range I want to be able to controll the rcx while I am in side the house but yet the robot will be OUT SIDE the house. I (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | MoTeC March: Vote now!
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FUT lugnet.technic Hi all! New month and time to vote for the best Technic MOC in the Monthly Technic Contest - MoTeC. Vote here: (URL) you want to submit your own model for April, read here: (URL) months winner will be announced shortly. /Tobbe (...) (23 years ago, 2-Apr-02, to lugnet.announce, lugnet.build.contests, lugnet.robotics, lugnet.modelteam, lugnet.technic)
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| | Re: Discontinuous motion.
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Great reference, thanks Bill. I had forgotten about the Geneva mechanism. Any interest, Steve? If you'd consider filing the teeth off a gear, how about an honest to goodness made to measure couple of Geneva mechanism parts? JB (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | RE: Discontinuous motion.
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Try looking at the mechanisms at (URL) find this to be a great reference site for basic kinematics. bill -----Original Message----- From: Steve Baker [mailto:sjbaker1@airmail.net] Sent: Saturday, April 06, 2002 12:07 AM To: Lego Robotics Subject: (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | Re: USB Tower Software without RIS2.0 install
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The USB tower on my desk has a small tag near the plug which states "Do not plug the USB-tower before the RIS 2.0 CD-rom is installed." And the box arrived with a yellow slip of paper with the same instructions. I do understand the RIS 2.0 SDK (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | Re: USB Tower Software without RIS2.0 install
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(...) Why so complicated? Just plug in the tower, reboot, Windows will ask for a driver, point it to the CD, voila. Actually this is the procedure recommended by LEGO _before_ installing RIS, so you just skip that second step. Jürgen (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | Re: AFOL new to LUGNET - many MOCs
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Hi Kevin Congratulations, I'm really impressed. Many good ideas, and clever mechanical implementations. And you also documented most of your creations with MLCAD instructions! I love the electro-pneumatic adding machine. Keep up the good work! Mario (...) (23 years ago, 2-Apr-02, to lugnet.robotics)
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| | USB Tower Software without RIS2.0 install
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(...) Just run "ReinstallUsbTower.exe" from the CD or copy all files that begin with ltower plus "ReinstallUsbTower.exe" and "TowerApi.dll" to another location (< 350K) and run Reinstall. You do not have to load the remaining RIS2.0 software. -- (...) (23 years ago, 30-Mar-02, to lugnet.robotics)
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| | Re: LeJos threads / sleep() takes too long
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The priority mechanism used in lejos is the same as that specified in the Real Time Specification for Java (RTSJ): Threads of a higher priority will absolutely block threads of a lower priority as long as they remain runnable. The sensor listener (...) (23 years ago, 1-Apr-02, to lugnet.robotics.rcx.java)
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| | Re: 4X4 technic truck and Real Radio control.
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(...) I want to do both. Sometimes while I'm building a robot, I'll test out the mechanism by using the IR remote before I bother to write code. And also it would be nice to send "suggestions" to a mostly autonymous robot. And sometimes, you just (...) (23 years ago, 1-Apr-02, to lugnet.robotics)
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