5
votes
1answer
107 views
How is the LEGO plastic different from Megablok plastic?
It's obvious that LEGO has better quality control, but what about the plastic they use? Megabloks look cheap and the parts seem to vary in color in a side by side comparison next to LEGO brand ...
3
votes
1answer
67 views
Motor, receiver and battery combos
What combination of motor/Receiver/battery boxes are possible/supported?
example: 2x XL motors, 1x M Motor, 1 light using 1 receiver and 1 battery box.
2
votes
0answers
67 views
Ideas for large NXT projects [closed]
I currently have 6 NXT sets. Can anyone think of some large scale projects that I could attempt using most of the NXT bricks and pieces together?
0
votes
0answers
39 views
PF WIRING FOR MY LEGO 8297 TRUCK
I want to link up the following to work with a remote controller for my LEGO 8297 truck:
I have tried but failed to properly connect 3 motors, a PF switch, and 2 IR receivers together.
Please ...
0
votes
0answers
33 views
Problems installing RCX 1.0 Firmware
I'm having a lot of problems installing the firmware on my LEGO RCX 1.0 using my Windows 7 notebook. In addition, the motor wire has a bad contact which prevents the motor from working properly. ...
-5
votes
0answers
47 views
how to program rc remote? [closed]
I need to program a Mindstorms 2.0 remote with two touch sensors and the NXT buttons by June 1 2013. I have found a close program on the internet but nothing seems close enough for me to work with. ...
1
vote
1answer
115 views
How can I get replacement stickers for a new lego set? [duplicate]
I recently bought a Lego Fire Boat (set number 60005) but for some reason, when I opened the box and shook out the contents (as I normally do) no sticker sheet fell out. I was wondering if you could ...
4
votes
1answer
152 views
How should I connect two LEGO cylinders with pistons to measure the movement caused by sea waves?
As part of a school project I need to make a model of a snake electricity generator.
I would like to build this with LEGO elements, and for that, I need to measure the movements of the cylinders ...
4
votes
1answer
70 views
NXT motors not moving?
I've been looking around the net for a solution to this problem, to no avail.
After taking my NXT v1 out of storage, I tried using a motor, but it sortof just, moves back and forth once, then ...
1
vote
1answer
144 views
Which LEGO boxes are compatible?
TLG has produced a number of sets which come in reusable plastic boxes. I'm curious to know which of these are able to be easily stored together. Primarily, I'm wondering which boxes can be stacked, ...
3
votes
1answer
307 views
Is this antenna a LEGO piece?
I came across this piece while sorting:
It appears to be similar to 2569, but it's clearly a different part. 2569 doesn't have the ridges and has a spherical tip rather than the cylindrical one on ...
4
votes
2answers
180 views
Technic 8071 assembly problem
I am busy attempting to assemble Technic 8071, and have encountered a problem.
On page 83 of the first manual, a yellow gear (4203493) together with a grey splined rod (4211815) is added to the ...
6
votes
1answer
287 views
Which resolution is necessary to print bricks with a 3D printer?
I would like to print LEGO compatible figures. Which resolution is required for the 3D print in order to firmly fix the figures on LEGO bricks?
5
votes
0answers
130 views
Does the jumper plate have a Danish nickname?
Does the "jumper plate" (1×2 plate with centered stud) have a Danish nickname like the "Erling"? Who is the designer of this part? And does there exist a catalog of designers of specific bricks?
0
votes
0answers
134 views
How much GBP for a Lego Pick A Brick Large Cup? [closed]
im from the UK and i'm just wondering about how much a Lego Pick A Brick small cup costs and also the Large cup. Please reply asap! Thanks in advance.
4
votes
2answers
158 views
How can I find the value of a LEGO set over several years?
Bricklink has this handy feature on its site which allows you to view the average selling prices of a particular set based on previous auctions.
I like this feature, but unfortunately, it only ...
12
votes
3answers
542 views
Why are Lego sets put in such big boxes?
I am wondering why Lego puts sets in big packages. All bricks are put in small plastic bags and from my experience the packaging could be at least half of what it is.
There is so much told these days ...
8
votes
3answers
247 views
Any reasons for the introduction of the new-style raised arch?
The new-style raised arch (to the left, 92950) got introduced in 2009, and has been gradually replacing the old-style arch (to the right, 3455) across the board. However, after four years, not only ...
2
votes
0answers
135 views
Is the Antikhythera clock design available as Open Source?
After reading and watch the video about the Antikhythera Clock, I am curious if the design reference (or better yet the instruction manual) is available as OpenSource.
Why? Because it would be cool ...
6
votes
1answer
194 views
What is the true angle of a cheese slope?
What is the true angle of a cheese slope?
Bricklink lists it as "Slope 30 1 x 1 x 2/3" while LDraw and Peeron list it as "Slope Brick 31 1 x 1 x 2/3". Why do these sources disagree, and what is the ...
1
vote
1answer
208 views
What are the size of Lego Technic Parts?
I'm creating a LEGO Mindstorms catalogue for a school project. I measured the LEGO parts and I made an average size. My goal is to create new parts with a Rapid prototyping machine and I wanted to ...
4
votes
5answers
288 views
Factories that could make off-patent bricks?
I'm quite interested in finding a factory that can produce a small-ish run of high-quality plastic bricks that I can use in my classes and possible to re-sell as stand-alone kits. I only need a few ...
9
votes
3answers
266 views
Why can't I reproduce this SD card box in LDD?
I've built an SD card box a few years ago. Now I am trying to reproduce it in Lego Digital Designer.
However when I tried to reproduce the closed version, LDD refuses to snap it in place.
In ...
3
votes
1answer
73 views
Set to run a program within another program using NXT-G
I'm using NXT-G to program my robot to do few tasks autonomously for so many possibilities. When using C programming, we can call a function from different file into the main program. So, I wonder if ...
4
votes
0answers
141 views
+100
Old Lego movies
As I remember, it was about 1990 maybe some years earlier, there were movies, made by Lego, they were about 3 minutes long, maybe longer.
It was of course not computer-generated videos but normal, ...
8
votes
2answers
257 views
Why are there “unique” characters in many sets?
When I was young, about 30 years ago, I'd had no problem to have two policemen, two yellow astronauts or knights. Then I had some lack of Lego sets and didn't know what was happening on this field.
...
6
votes
3answers
381 views
How to make a conveyor belt with LEGO parts?
I am making a small robot with an Arduino and Technic LEGO powered by stepper motors. I am planning on moving small rocks throughout my machine. Does anyone have an idea of what kind of Technic LEGO ...
2
votes
1answer
63 views
NXT Bluetooth “Failed!” when turning on
When I attempt to turn on my bluetooth, the response on the display after about 5 seconds is "Failed!" Then I'm sent back to the main menu.
I've reset the unit and updated to latest firmware (1.31) ...
7
votes
1answer
184 views
Can I take an old LEGO winch apart?
I have an old LEGO winch that looks like #73037
It has been "restrung" but it is very stiff and it looks like it has some of the old string stuck between the rotating and non-rotating parts. It ...
7
votes
2answers
296 views
Colouring bricks with the sun
This question is related to How do I change the color of a brick? and the exact opposite of How to minimise or remove sun-stains/fading from blocks?
Is it feasible to artificially age bricks in ...
2
votes
1answer
78 views
Setting priorities in LEGO NXT Programmer
For a sumo bot competition I made a robot that has a perfectly functioning ultrasonic senor. However, when I made a second branch on the program for a light sensor, I calibrated the light sensor and ...
5
votes
0answers
155 views
how to make custom lego signs, newspapers etc.
I have several ideas but I am finding it hard to get started. What I am interested in is making my own decals for signs, newspapers, artwork for the walls and others. So far I haven't had any luck. ...
10
votes
3answers
306 views
What are the essential resources for learning the fundamentals of LEGO building?
After years of buying and building LEGO sets, my six-year-old son is tearing through the first level of the Master Builder Academy. He's fascinated by micro-building, and generally seems liberated ...
3
votes
1answer
253 views
How hard is it to get a job within the LEGO company, straight out of university as a graduate?
How hard is it to get a job at the LEGO company?
Being fresh out of university as a graduate of mathematics, I'm specifically interested in answers on if and how LEGO hires graduates.
4
votes
1answer
170 views
Strongest gear configuration
I'm building a (what I hope to be) high-speed car using two PF-XL motors together and some gearing up. However, there's a point where I have to rotate the axle with power (that comes from the 3 speed ...
2
votes
0answers
76 views
RCX 1.0 downloaded firmware successfully with RIS 2.0 but does not run any program
I have installed correctly the RIS 2.0 in an old laptop running Windows XP and I successfully downloaded the firmware through the RIS 2.0 to the RCX 1.0, following the standard setup instructions.
...
3
votes
0answers
94 views
Ultrasonic problems with the red and blue balls?
I'm still new to the nxt thing, I try to make the robot locate the ball using the ultrasonic, while there I should be in a square area marked by white color.
How can I make the robot locate the ...
2
votes
3answers
172 views
Options for sorting old and new versions of colors
I'm working on sorting my LEGO collection. I'm sorting by part then color, with colors mixed when it makes sense (e.g. black is separated out, but medium blue and dark red are together). I'm trying to ...
4
votes
1answer
135 views
Best sensor for balancing inverted pendulum
I want to build a balancer for an inverted pendulum. Which of the following sensors is best suited for detecting the tilt?
Accelerometer
Gyroscope
Angle sensor
4
votes
1answer
134 views
Why does the pin recess on the Technic turntable continue to the edge of the part?
Here's the part in question (2955):
While Technic parts typically have a recess to allow the ends of pins to be flush with the surface, this part (and perhaps others) carry this recess all the way ...
9
votes
1answer
174 views
How to remove printed decoration
This is probably heresy, but how can I remove the printed decoration on a brick? I managed to buy a large number of bricks with an eye decoration cheap and found that rubbing a long time with ...
6
votes
1answer
557 views
Why was the 1x1 round brick changed?
The first 1x1 round bricks had no lip, just like most bricks:
Brick, Round 1 x 1 Old - No Bottom Lip
A lip was then added:
Brick, Round 1 x 1 Solid Stud
Why?
Later, a hole was added in the ...
1
vote
1answer
66 views
Easy way to get the weight of a Bricklink order
Is there an easy way to estimate, to the nearest 100 g (or so) the weight of a shopping cart in Bricklink so that I can estimate the shipping charge (sellers may quote ranges such as "250 - 500 g: $X, ...
3
votes
1answer
126 views
How can I make a mosaic from a given number of 1x1 bricks and a picture?
This question is similar to How can I convert an image's pixels to actual LEGO colors? except that I need to fit a certain number of bricks of a certain colour.
For example, I have 20 white, 28 ...
4
votes
1answer
124 views
Is there a place where you can buy single pieces of LEGO-compatible systems?
I've acquired a set of MegaBloks and was amazed at the slopes with studs on top.
Unfortunately the set is $15 and there's only 6 pieces I need.
So I wanted to ask, are there any sites like Bricklink ...
9
votes
4answers
350 views
Is it legal to sell your mocs?
First off, I assume that it's legal to sell used LEGO bricks and it's also legal to sell self-made LEGO instructions and parts-lists.
As far as I know, there are people selling LEGO sets of their ...
0
votes
1answer
326 views
Does the LEGO company actively follow or copy clone bricks?
What does The LEGO group do to follow clone brands?
Do they buy at least one of every set produced by The Other Guys?
I'm more interested about what the LEGO company does to keep up with what ...
4
votes
2answers
305 views
Which LEGO Technic sets include instructions to add the Power Functions accessory box?
Some LEGO Technic sets apparently come with instructions to add a motor, using the pieces from the Power Function Accessory Box (set 8293).
Is there a list of the sets which do contain such ...
4
votes
1answer
165 views
Can I download a programm written in C# into brick?
I use C# language and http://www.mindsqualls.net/ library. But I could not find how to download my program into brick. Actually, is it possible? Or I just have to control my nxt 2.0 robot via ...
6
votes
0answers
113 views
How to simulate Lego Mindstorms programs written in C#?
I am going to do some programming for Lego Mindstorms in C# using
http://www.mindsqualls.net/
and have a question. Is there any good simulator to see result of my program without uploading the code ...
