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 | | Re: Rotating through a four-bit nibble
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| (...) Understand what better? Binary math? No problems with that! By "backwards" I meant that multiplication and division by powers of 2 are usually changed to shift L/R by compilers. Also, I am amused that because the firmware doesn't use the (...) (19 years ago, 22-Sep-05, to lugnet.robotics, FTX)
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jordan, bradford
(score: 1.536)
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jordan, bradford
(score: 1.536)
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| | Re: mechanical XOR and Half Adder
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| (...) Well, technically, 1 + 1 = 2, or in binary, 1 + 1 = 10. The sum isn't 0, the S output is 0. ‹/nitpicks› This stuff is cool. I like your mechanical logic gates better than the pneumatic ones I've seen. Yours are definitely cheaper to build. (19 years ago, 10-Mar-06, to lugnet.technic, FTX)
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jordan, bradford
(score: 1.535)
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| | Re: The Better Tosser
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| (...) Between burning out two motors on a prototype and having the tire in my pirate ship become bald by the end of BrickFest, I think I'm done building GBC shooting mechanisms. But they're so much fun . . . I wonder if my prototype (which is still (...) (19 years ago, 19-Sep-05, to lugnet.technic, FTX)
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jordan, bradford
(score: 1.535)
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jordan, bradford
(score: 1.535)
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jordan, bradford
(score: 1.533)
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jordan, bradford
(score: 1.527)
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jordan, bradford
(score: 1.527)
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| | Re: BBB Train Hand Car
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| (...) For some projects I've used the old 14 tooth bevel gear for spacing. As far as I know it's the thinnest TECHNIC piece you can put on an axle. (URL) It's definitely thinner than 4265c. (19 years ago, 29-Aug-05, to lugnet.trains, FTX)
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jordan, bradford
(score: 1.526)
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| | Re: Whose angel sculpture was that?
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| (...) Yes, the (URL) ACM> is the Association for Computing Machinery. It's the organization for computer science, computer engineering, software engineering, etc. professionals. The main publication, Communications of the ACM, is what I was (...) (19 years ago, 29-Aug-05, to lugnet.events.brickfest, FTX)
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jordan, bradford
(score: 1.526)
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| | Re: Whose angel sculpture was that?
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| (...) I missed your presentation that day. How technical was it? You probably explained NP-complete briefly, and I'm guessing you didn't go into the computer science part of everything except what was necessary. I'm curious if you have a more (...) (19 years ago, 26-Aug-05, to lugnet.events.brickfest, FTX)
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jordan, bradford
(score: 1.525)
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| | Re: Ability of newer 9V motors
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| (...) Does that rubber band pull the switch to the off position? If so, that's pretty clever. I just put my polarity switches directly onto the train transformer on that section to the left of the dial. (19 years ago, 26-Aug-05, to lugnet.trains, FTX)
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jordan, bradford
(score: 1.525)
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| | Re: Ability of newer 9V motors
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| (...) That's the article I used about a year ago for a train layout -- there are some good designs there. The key is having enough torque to flip the switch -- by using a long lever. I used the simpler designs that don't try to conceal their (...) (19 years ago, 25-Aug-05, to lugnet.trains, FTX)
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jordan, bradford
(score: 1.524)
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jordan, bradford
(score: 1.523)
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jordan, bradford
(score: 1.522)
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| | Re: The Great Ball Contraption at BrickFest
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| Okay, here's a low-res video of the GBC. It doesn't show my module for very long; the camera was still setting itself up to record and I thought I had stood there long enough, but I hadn't. Anyway, it runs for 9:39, has a couple spots where I had to (...) (19 years ago, 19-Aug-05, to lugnet.events.brickfest, FTX)
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jordan, bradford
(score: 1.522)
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| | Re: All plastic track
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| (...) I have some questions, too. I'm not a huge train person -- I own only two train sets -- but I'm aware of the 9V system's limitations. Would a 9V train have enough momentum to pass over a single section of plastic track? I'm thinking that the (...) (19 years ago, 17-Aug-05, to lugnet.trains, FTX)
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jordan, bradford
(score: 1.521)
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| | Re: The Great Ball Contraption at BrickFest
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| (...) I taped the entire loop Saturday starting from my pirate ship. I forgot to tape Gus (sorry, Brian!) and the train unloading itself into the module just after Gus. The module layout on the high-maintenance side of the table changed after my (...) (19 years ago, 17-Aug-05, to lugnet.events.brickfest, FTX)
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jordan, bradford
(score: 1.521)
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jordan, bradford
(score: 1.520)
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jordan, bradford
(score: 1.520)
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