 | | Re: Rock Crawling —Brian Davis
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| | | (...) Oh, I know it's fun - I was asking the community out there in general, not echoing my internal thoughts :-). (...) No problem - the "course" is to drive over Steve. We should be able to get all of rtlToronto to come down for this one ;-). (17 years ago, 10-Jan-07, to lugnet.org.us.laflrc)
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| | | | | Re: Rock Crawling —David Koudys
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| | | | | In lugnet.org.us.laflrc, Brian Davis wrote: <snip> (...) Nyyahhhh.. we build robots, not glorified RC cars... ;) Actually, after seeing pics and videos from you guys, I'm so totally floored by Rock Crawling! I'd make the trip if I had an NXT :) Dave (...) (17 years ago, 10-Jan-07, to lugnet.org.us.laflrc)
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| | | | | | | Re: Rock Crawling —Bryan Bonahoom
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| | | | | | (...) Who needs an NXT??? I am using an RC buggy remote. Question: If you guys in RTL Toronto build robots as you said, then why on earth don't you have an NXT already? (Check with Calum...I hear he has an NXT that he isn't using) :) B (17 years ago, 10-Jan-07, to lugnet.org.us.laflrc)
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| | | | | | | | Re: Rock Crawling —David Koudys
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| | | | | | (...) 'cause I like building robots with brick-plate-plate-brick studded construction. And I like the ability to have 10 motors in 1 bot using 1 RCX. When John develops a multiplexor to sell for the NXT so I can have more than 1 motor connected to (...) (17 years ago, 12-Jan-07, to lugnet.org.us.laflrc)
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| | | | | | | | Re: Rock Crawling —Rafe Donahue
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| | | | | | (...) So, I'm wondering about the NXT's ability to command the RCX. How possible is the following: I know that I can hook up motors to my RCX sensor ports and vice versa. They might not work doing anything really practical but they can be hooked up. (...) (17 years ago, 12-Jan-07, to lugnet.org.us.laflrc)
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| | | | | | | | Re: NXT2RCX —Steve Hassenplug
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| | | | | | At 12:22 PM 1/12/07, Rafe Donahue wrote: Nemo, (...) I think this is possible, and would work, at least as well as it did on the RCX. A simple conversion cable could be connected to both. I believe the wires that would be connected would act just (...) (17 years ago, 12-Jan-07, to lugnet.org.us.laflrc)
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| | | | | Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Brian Davis
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| | | | (...) The more I thought about this, the more I liked this idea: I wanted to make a really high-mobility vehicle, but the problem with wheels is they are really stopped by steps greater than their own radius (well, partially, ignoring pushing from (...) (17 years ago, 23-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Geoffrey Hyde
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| | | | | "Brian Davis" <brdavis@iusb.edu> wrote in message news:JCAvs8.H94@lugnet.com... (...) Have you considered using the new 5-wide treads found in the new Technic Snowmobile? They seem a lot more suited to driving over most surfaces with their added (...) (17 years ago, 23-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Geoffrey Hyde
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| | | | | | | "Geoffrey Hyde" <g.hyde@bigpond.net.au> wrote in message news:JCAxx2.8KF@lugnet.com... (...) (URL) forgot to include the URL of the set I was talking about. Here is is above. Cheers ... Geoffrey Hyde (17 years ago, 23-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Brian Davis
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| | | | | | (...) Yes, and no. The problem is they are hard plastic with ridges, so if a tread ridge catches on a rough portion of the surface, they push fine... but if the surface is smooth, they'll just slide (very low coefficient of friction). The width is (...) (17 years ago, 23-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Geoffrey Hyde
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| | | | | | "Brian Davis" <brdavis@iusb.edu> wrote in message news:JCBttB.GEJ@lugnet.com... (...) I see. I wonder if we'll ever see some kind of rubber plug-in outer surface for these treads? Since they already have mounting holes, it only remains to figure (...) (17 years ago, 23-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Brian Davis
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| | | | | | (...) I would like to hope so. Those mounting holes would seem perfect to secure rubber cleats to, especially with the ridges on the hard plastic tread underneath. That one piece woulkd change them from semi-decorative to fully robotic functional (...) (17 years ago, 24-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Nathan Bell
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| | | | | (...) Awesome! Great videos! BTW if you want to know how to make bigger tires, try inserting old school 1" Lego tires into the crevices around the large grey "hula hoops" from the star wars kit. This will make tires at least 8" (20 cm) in diameter (...) (17 years ago, 24-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Brian Davis
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| | | | | (...) 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 (...) (17 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Matthias Paul Scholz
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| | | | | | | 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...) (17 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Philippe Hurbain
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| | | | | | | | (...) 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 (17 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Brian Davis
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| | | | | | | | (...) 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 (...) (17 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Rafe Donahue
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| | | | | | | (...) go nuts when they see the video! (17 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Brian Davis
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| | | | | | | | (...) 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 (...) (17 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Anders Isaksson
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| | | | | | (...) camera angle and lots of action! I liked it! (17 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Jordan Bradford
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| | | | 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 (...) (17 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Brian Davis
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| | | | (...) 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 (...) (17 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | | | | | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling) —Jordan Bradford
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| | | | 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 (...) (17 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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