 | | A Power-Functions Remote-Controlled Car
|
|
I uploaded a video (with some stills in it) of a Power-Functions remote controlled car. It uses a dual-differential drive so that it can go straight well. (The video also shows stills of an earlier version that used a more conventional steering; but (...) (17 years ago, 22-Dec-07, to lugnet.technic)
|
| |
| | Re: Technicopedia
|
|
(...) [LEGOSet 880] (...) [LEGOSet 872] ROSCO (17 years ago, 22-Dec-07, to lugnet.technic, FTX)
|
| |
| | Re: Technicopedia
|
|
(...) Just by the way, back in those days LEGO also made a 12V technic motor that was the same size as the 4.5 but came in black. I actually used to have one that I got in a sealed box (!), and when testing it with a train speed regulator (12V grey (...) (17 years ago, 22-Dec-07, to lugnet.technic, FTX)
|
| |
| | Re: Technicopedia
|
|
(...) Never... yet! Philo (17 years ago, 22-Dec-07, to lugnet.technic, FTX)
|
| |
| | Re: Technicopedia
|
|
(...) Thanks. Even though much of it is common knowledge for us, it took a whole lot of collecting, building, and searching the Internet to acquire that knowledge. My goal here is to put a lot of that knowledge together in one place. I am certainly (...) (17 years ago, 21-Dec-07, to lugnet.technic, FTX)
|
| |
| | Re: Technicopedia
|
|
(...) By the way, I noticed that your site only looks at the 9V motors. Have you ever dissected or tested one of these 4.5V motors? Eric (17 years ago, 21-Dec-07, to lugnet.technic, FTX)
|
| |
| | Re: Technicopedia
|
|
(...) 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)
|
| |
| | Re: Technicopedia
|
|
(...) 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)
|
| |
| | Re: Technicopedia
|
|
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)
|
| |
| | Re: Technicopedia
|
|
Update ====== Universal sets from 1982 now added. Blakbird (17 years ago, 20-Dec-07, to lugnet.technic, FTX)
|
| |
| | Re: Digicomp II
|
|
(...) 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)
|
| |
| | Re: Digicomp II
|
|
(...) 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)
|
| |
| | Re: Technicopedia
|
|
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)
|
| |
| | Re: Digicomp II
|
|
"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)
|
| |
| | Re: Digicomp II
|
|
(...) 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)
|
| |
| | Re: Building a realistic working road grader from Technic LEGO parts.
|
|
(...) 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)
|
| |
| | Digicomp II
|
|
(...) 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)
|
| |
| | Re: How to make a perfect octagon or hexagon?
|
|
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)
|
| |
| | Re: How to make a perfect octagon or hexagon?
|
|
(...) 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)
|
| |
| | Re: How to make a perfect octagon or hexagon?
|
|
(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)
|
