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(...) That is the exact thought I had the last time I was at your place and saw the alternate model for the semi tow truck sitting there. Nice to know great minds think alike ;) But being short 1 semi-tow truck, I can't do that at the moment. John (17 years ago, 8-Jan-07, to lugnet.org.us.laflrc)
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| | Re: third generation rock crawler
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(...) Well look whose back to being able to post on LUGNET :) As to rotating the motor, that would require either elongating the wheelbase, or raising the NXT up to make room. Neither option is desirable. Raising the NXT puts the COG too high, and (...) (17 years ago, 8-Jan-07, to lugnet.org.us.laflrc)
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| | Re: third generation rock crawler & support
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(...) Brian, This sounds like a good suggestion. How is your rock crawler progressing? :) I actually spent last night working on a transport vehicle for my Rock Crawler. Hopefully, by the end of the week, I'll have an RC hauler that can be used for (...) (17 years ago, 8-Jan-07, to lugnet.org.us.laflrc)
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| | Re: third generation rock crawler
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(...) Very nice! I like the compact rear differential and gearing. I wonder if you could rotate the rear motor 90° so it lays under the chassis, to (very slightly) improve the center of gravity. Very nice looking. What happens if it gets lifted at (...) (17 years ago, 8-Jan-07, to lugnet.org.us.laflrc)
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| | Re: third generation rock crawler
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A beautiful piece of work!! And functional... :) I may have to go back to the drawing board to do the 45 degree incline...I will have to run a test. B (17 years ago, 8-Jan-07, to lugnet.org.us.laflrc)
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| | Re: third generation rock crawler
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(...) Wow! That looks like some serious engineering :) JB (17 years ago, 7-Jan-07, to lugnet.org.us.laflrc)
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| | third generation rock crawler
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I think we need to have another meeting. Mainly so I can test this... (URL) links (URL) suspension or rear steer in this one, but it is 4wd, with both axles linked so all 4 wheels will spin before the motors stall, and it can climb a sanded plywood (...) (17 years ago, 7-Jan-07, to lugnet.org.us.laflrc)
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| | NEIRG
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It appears Science Central has added this year's First LEGO League challenge to their list of events for Feb 24th. So, for those of us who've been playing around with the idea of building a robot, here's your chance... (URL) (17 years ago, 2-Jan-07, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling
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(...) That's how they do it in "real" rock crawling. It will be a little different for us, because you don't actually have to "put it into reverse". I think having a penalty for backing up may be good. In the "real" event, there is also a penalty (...) (17 years ago, 2-Jan-07, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling
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Steve, I just had a thought on scoring. You mentioned that you wanted to make the course tough enough so a perfect score (no penalties) would be nearly impossible. How about giving a penalty every time someone backed up? I can't remember a single (...) (17 years ago, 2-Jan-07, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling & Bluetooth
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(...) I understand the unwillingness to buy a controller for a video-game system that you don't own (I struggled with that a bit too), but using the playstation remote and mindsensors sensor is pretty practical compared to other methods of remote (...) (17 years ago, 2-Jan-07, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling
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(...) We were the only ones there-- unless you count Matt and Kurt, whose spybot vehicles did almost as well going through the course as my truck did ;) (...) I've noticed it is a little harder to keep track of this kind of stuff when building (...) (17 years ago, 2-Jan-07, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling & Bluetooth
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(...) Ok, now can you commit? :) (...) Sorry if I didn't explain that. NXT-G is the software that came with the NXT. You can get an update to the software from NI, which allows you to add blocks that are not included with the standard software. (...) (17 years ago, 1-Jan-07, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling & Bluetooth
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(...) Oh, it's a plan. But I can't commit just yet; wait'll next year. :-) (...) It looks like I need to get one of these dongle thingies. If I get my act together before midnight, I found a dlink dbt-120 for about $18 online, plus a $10 rebate. Of (...) (17 years ago, 1-Jan-07, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling & Bluetooth
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(...) Yes, but it's good to have a plan. (...) That's what I've done. However, they seem to work best if you use the Windows drivers, and not the drivers that come with the dongle. (...) This is the cool thing. There are a bunch of ways to control (...) (17 years ago, 31-Dec-06, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling
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(...) The list is maintained here: (URL) discussion here: (URL) newest catalog (January 2007) and the website now have the "official" BT adapter, 9847: (URL) a bit expensive, though; the one I bought at Staples cost me $30. (17 years ago, 31-Dec-06, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling
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(...) There is no requirement to construct using your NXT...any LEGO will work. (...) Yes - but make sure you use a compatible BT adapter...there is a list somewhere...I think it is on NXTasy or TheNextStep... (...) Steve and Brian Davis both have (...) (17 years ago, 31-Dec-06, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling
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(...) "It's on my calendar", which is akin to "the check is in the mail." I am planning to attend; six months from now, who knows what will happen. My NXT is fucntioning, so that is good. I guess I need to work on bulding a four-wheeler! Oh, by the (...) (17 years ago, 31-Dec-06, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling
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(...) I am bummed that I couldn't make it down to Lafayette yesterday...looks like it was fun... Were you and John the only ones with trucks? Mine is getting close...thought I had it done a little while ago and discovered I had mounted some stuff (...) (17 years ago, 31-Dec-06, to lugnet.org.us.laflrc)
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| | Re: Rock Crawling
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(...) The diaper boxes are around 4 years old, and no longer contain diapers. Most of the NXT boxes are also empty. Will you be joining us at Brickworld in June? Steve (17 years ago, 31-Dec-06, to lugnet.org.us.laflrc)
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