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(...) Good point, Philo. I did not choose very good wording here. What I meant was that, as a DC motor, there is no "hot" terminal and no "neutral" terminal. Therefore, you cannot hook it up wrong and damage it. I'll go back and see if I can clean (...) (17 years ago, 21-Dec-07, to lugnet.technic, FTX)
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| | Re: Technicopedia
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(...) Eric, this is a fantastic resource you are creating. I can't wait to see further updates - even if for some of us what you write is common knowledge, it still makes good reading and I always find something new to appreciate. As a side note, (...) (17 years ago, 21-Dec-07, to lugnet.technic, FTX)
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| | Re: Technicopedia
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Hi Blakbird, Little note about 4.5V motor: when you say "The motor is DC, so polarity is not important."... precisely since it is a DC motor, polarity IS important, rotation direction depends on it... Philo (17 years ago, 21-Dec-07, to lugnet.technic, FTX)
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| | Re: Technicopedia
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Update ====== Universal sets from 1982 now added. Blakbird (17 years ago, 20-Dec-07, to lugnet.technic, FTX)
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| | Re: Digicomp II
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(...) I'd love to claim full credit, but I really have to say I never would have thought this was possible until I had read about the original. The patent for the original Digi-comp II is really interesting - the one patent contains the idea for (...) (17 years ago, 16-Dec-07, to lugnet.technic)
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(...) understand how some of it works... What does the lower layer do? Is it just concerned with 2's complementing and clearing the accumulator? cheers, Alexander (17 years ago, 15-Dec-07, to lugnet.technic)
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| | Re: Technicopedia
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Update ====== Many more categories with feature comparisons added. Over a hundred new photos. Eric blakbird (URL) Technicopedia> (17 years ago, 15-Dec-07, to lugnet.technic, FTX)
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| | Re: Digicomp II
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"Brian Davis" <brdavis@iusb.edu> wrote in message news:Jt21tp.nGo@lugnet.com... (...) rectangle expanding into an empty rectangle in the bottom right corner of the YouTube play bar. Clicking this will allow you to enter full-screen mode. (Esc (...) (17 years ago, 15-Dec-07, to lugnet.technic)
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| | Re: Digicomp II
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(...) Well, I finally got the video put together, with some narration to explain a little bit of what's going on. I wish I could put it on YouTube a bit bigger (it's all 640x480, but YouTube seems to compress it down). (URL) sorry about the (...) (17 years ago, 14-Dec-07, to lugnet.technic)
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| | Re: Building a realistic working road grader from Technic LEGO parts.
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(...) Hello Geoffrey Thanks for the positive comments! In order to get a steering system that could have that many axis of freedom in that amount of space it was necessary to use the ball-and-socket pieces. There may have been another way, but not (...) (17 years ago, 12-Dec-07, to lugnet.technic)
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| | Digicomp II
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(...) Wow! I for one can hardly wait to see the video of this. And I would love to see more explanation and construction details too! cheers, Alexander (17 years ago, 10-Dec-07, to lugnet.technic)
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| | Re: How to make a perfect octagon or hexagon?
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Thanks -- making a hexagon out of equilateral triangles occurred to me after submitting my post, but I really had no idea what was going on with the funny angle, so this has been very educational. As always, this is one of the most helpful and (...) (17 years ago, 10-Dec-07, to lugnet.technic)
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| | Re: How to make a perfect octagon or hexagon?
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(...) Good to know; I loved it from the first time I saw it, but the rarity was a problem. (...) I had an instant use for that piece as well - flip-flop gates for a working model of Digi-comp II: (URL) when I eventually get time to compile it... the (...) (17 years ago, 10-Dec-07, to lugnet.technic)
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(snip) and the very rare but handy "Technic bush with 3 axles" (URL) (yeah, from just one set it (...) That particular piece is showing up in more sets: The Batman Copter with Scarecrow's bi-plane has three of those pieces in the set, and the new (...) (17 years ago, 10-Dec-07, to lugnet.technic)
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| | Re: How to make a perfect octagon or hexagon?
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(...) A 12-12-17 triangle is very nearly right, and has angles of about 44.9 degrees. I used four of them in making a stop sign: (URL) Note that all eight corners are nicely studded down. Joe and Brian wrote: (...) Well whaddaya know! I'd always (...) (17 years ago, 10-Dec-07, to lugnet.technic, lugnet.edu, FTX)
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| | Re: How to make a perfect octagon or hexagon?
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(...) Try approaching it in steps. Can you make an equilateral triangle out of Technic beams? Don't worry about making the angles rigid, just make a structure with three equal-length sides, connected near the corners (connected with something that (...) (17 years ago, 10-Dec-07, to lugnet.technic)
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(...) The tri-blade is great for hexagons.... (URL) (17 years ago, 10-Dec-07, to lugnet.technic, FTX)
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| | Re: How to make a perfect octagon or hexagon?
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(...) It would appear that they're approximately 126.8698976 degrees. That's from approximating some angles and noticing that what I think they were trying to do was to create the geometry such that a 3-4-5 right triangle was possible. DaveE (17 years ago, 10-Dec-07, to lugnet.technic, FTX)
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| | Re: How to make a perfect octagon or hexagon?
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Your best bet would be the #4 angle connector, its a 135 degree angle. (17 years ago, 10-Dec-07, to lugnet.technic)
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| | How to make a perfect octagon or hexagon?
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I'm trying to make a largish (20 cm across or so) octagon or hexagon out of technic parts. I thought this would be easy, because I believed that the bent technic beams (e.g. (URL) 32348>) had a 135-degree angle, or at least some angle that would (...) (17 years ago, 10-Dec-07, to lugnet.technic, FTX)
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