9
votes
2answers
744 views

What are Good LEGO (or similiar) sets to play-prototype machines working with fluids?

I want to play around with fluid engines. I'm aware that LEGO is sometimes used in labs for prototyping kinematic components, are there successful examples of operating with fluids? Have pistons, ...
9
votes
1answer
527 views

How can I make a brick-built wheelbarrow?

I'd like to make a brick-built wheelbarrow to fit on a construction site that can be held by minifigures hands. I've seen prefabricated Duplo/Fabuland wheelbarrows as well as a new wheelbarrow in a ...
9
votes
2answers
2k views

Which is faster: M motor or XL motor?

I understand that the M motor has an adequate amount of speed, and the XL motor is best known for its torque. But is the XL motor really faster than the M motor? Or is it the other way around? I am ...
9
votes
2answers
3k views

Do regular Lego trains fit onto Duplo tracks?

I have a small kid and a bunch of Duplo train track. (Like what's in this set.) Would "grown up" sets, like the Emerald Night or Maersk trains, work on that track? They look pretty close (the wheels ...
9
votes
1answer
299 views

Which pre-2000 set had a mobile crane with lights?

I had a set similar to this when I was younger (I am fairly sure this was before the year 2000), although: The model was red, rather than yellow. The model was more of a breakdown truck, rather than ...
9
votes
1answer
1k views

How can I build Victorian Style windows?

How can I build Lego Victorian style windows, like those on the White House or Capital Building? This is one style I have done, which, as far as I know, was an original idea by me:
9
votes
1answer
277 views

What are the names for these two pieces of a car chassis and a piece for above the wheels?

I have the following pieces but cannot find their names nor precise usage on BrickLink or elsewhere The black one has a wheel well on each side - sorry for the poor image quality. Both the red and ...
9
votes
3answers
741 views

What are the tiny, single-peg, statuette figures from the SHIELD Helicarrier called?

As this video and this report show, the Marvel S.H.I.E.L.D Helicarrier comes with a number of decorative, single-peg statuettes / figures, representing in tiny scale: 8 agents, Nick Fury, Iron Man, ...
9
votes
2answers
4k views

Good LEGO CAD Design Software with Technic elements and animation

I'm taking computer engineering in Gr. 11 right now and our final project is to create a robot with the first version of Mindstorms. My partner and I are making a sumo robot for the class competition. ...
9
votes
1answer
130 views

Where can I find a 2x2 hinge on Bricklink?

In this picture "The neglect of duty" by Je hyung Lee, he uses four 2x2 hinges in the roof section I can't find on Bricklink. Does anybody have an idea what set this comes out and possibly a ...
9
votes
1answer
237 views

Why do some sets contain parts of an unrelated colour?

With recent and current sets, I noticed that some contain parts of a totally different colour than the rest of the set. An example is 8200-1: Radiator Springs Lightning McQueen, which contains a blue ...
9
votes
2answers
859 views

Lego-compatible suction cups?

I'm looking for suction cups that are compatible with the Lego pneumatic system. I've seen people who have built things with them (on youtube videos, etc), but haven't found anything on eBay or ...
9
votes
2answers
7k views

How do I make my own LEGO stickers?

I'd like to make my own stickers like the ones produced for LEGO sets using a design I've made in Photoshop. What do I need to make stickers for LEGO, what kind of printer do I need? Will the ...
9
votes
1answer
347 views

How to restore old, scratched plates

I have some old lego plates that are quite scratched. They look rather dull compared to the newer pieces in my collection. Is there any way to restore (even partially) the shiny look between the studs?...
9
votes
1answer
668 views

Can I use two ultrasound sensors at a time?

Is there a way to use two ultrasound sensors on a Mindstorms NXT without them interfering with each other?
9
votes
3answers
752 views

Which Duplo bricks have practical uses in System building?

Traditional 2x4 and 2x2 Duplo bricks can be used to bulk out models and provide a structural support for landscapes, but have there been any other uses for Duplo bricks of all shapes and sizes in ...
9
votes
2answers
1k views

How can I make custom LEGO packaging?

How can I print high-quality custom packaging for a custom-made model? I am aware of DesignByMe. But as many of you know, the pieces for that are limited, as are the options for making your own box. ...
9
votes
1answer
294 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 ...
9
votes
3answers
14k 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 ...
9
votes
1answer
1k views

How are the LEGO instruction manuals made?

I wish to know how the lego instruction manuals are made. What is the process currently used?
9
votes
1answer
768 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 ...
9
votes
1answer
296 views

NXC Saturation algorithm for limiting motors?

What is a good algorithm in NXC for control saturation? I want to make sure my motors don't turn past a certain angle, or they will break the model. I could do something like: if (angle > 45) {...
9
votes
1answer
123 views

Dichotomous key for identifying / discovering LEGO pieces?

Is there a dichotomous key available for looking up LEGO pieces by progressively answering information about their characteristics? It doesn't necessarily need to fit the strict definition of a ...
9
votes
1answer
687 views

Connecting to NXT Brick via Processing over Bluetooth

I am attempting to control my NXT model via the Processing programming language rather than the provided language based on LabView. When I can establish a connection over Bluetooth, this works rather ...
9
votes
0answers
367 views

Help identifying a LEGO clone

I think this was a present in the mid-late 80s. Very sophisticated building blocks for top-view apartment-room design. They also had furniture and appliances. Can anyone tell me the brand etc?
9
votes
0answers
262 views

PosRegEnable - How to change motor parameters?

I want to set PID parameters for a faster 'attack' when using PosRegEnablePID() on a motor. I am compiling with nbc/nxc 1.2.1 r4 mac osx fatbinary using -Z2 and -EF flags. But the compiler says: # ...
8
votes
4answers
864 views

Can I build a faster LEGO train motor?

I was going over LEGO Power Functions train motors, and I was not satisfied with the speed. Speed seven is fast enough to derail the train on the curve, but not fast enough realistically. I am ...
8
votes
2answers
2k views

Why does Lego restrict the number of colors per shape?

There are many shapes and many colors of Lego elements. Some color/shapes are rare and hard to find. Why does Lego restrict the number of colors available per shape?
8
votes
8answers
1k views

What will happen if I submerge LEGO in water?

I'm thinking of using real water in my LEGO City and putting the Atlantis and deep sea exploration sets at the bottom of the tub of water, but I don't know what will happen to LEGO when put in water. ...
8
votes
2answers
2k views

Damage Boiling LEGO Bricks

I bought some LEGO bricks from shop on Bricklink and received them yesterday. In order to make sure that the pieces were nice and clean (they were used) so that my two year old can play with them, I ...
8
votes
2answers
2k views

How does the cost of a LEGO railroad compare to a traditional scale railroad layout?

How do the costs compare between a railroad layout constructed with LEGO trains and a nearly identical layout using traditional scale models, such as HO?
8
votes
3answers
1k views

Why are there no faces drawn on the black heads?

There were two black heads in the Star Wars 2011 advent calendar and neither had a face drawn. Is that because there was no face necessary since it was going to be covered with a mask anyway or is ...
8
votes
4answers
8k views

How can I identify kits from a box of parts?

I am a life long Lego Maniac, and my kits from when I was a kid were passed down to my nephew, who has just passed them down to my son (40 years of history...). The trouble is that none of my old ...
8
votes
3answers
3k views

Any good alternatives to BrickLink?

I'm trying to find certain bricks online, and of course, came across BrickLink. But it's so darn hard to use it; search is absolutely useless, and I can't figure out how to use the catalog for the ...
8
votes
3answers
4k views

How to sort complete sets from box of unsorted LEGO

My son has thousands of pieces of LEGO, but he has them all dumped in a box. Is there any way to figure out what sets they went to if I don't remember the names of them?
8
votes
3answers
12k views

What is the average price per piece?

Some LEGO pieces are probably more expensive than others, but what is the average price per piece of LEGO pieces, when sold as part of a kit? Is there any place containing statistics or graphs about ...
8
votes
3answers
2k views

Simplest approach for rail sets automation

How would you tackle the automation of a lego rails set. I am looking for a solution that can be achieved with available parts. From the answer I will chose either to invest into lego rail sets for ...
8
votes
2answers
1k views

Why does LEGO sell minifigures randomly?

I often want to buy only some minifigures in each series and might want to buy more than one of a given minifigure but LEGO doesn't allow it. You know, it wants to give you a nice surprise in each ...
8
votes
4answers
490 views

Help identify mystery piece and set it could go to

More mystery parts from the bags of LEGO pieces we bought. I can't find a LEGO symbol on it. Is it a LEGO part or some other brand?
8
votes
4answers
5k views

How can I convert an image's pixels to actual LEGO colors?

The LEGO Group released a few "mosaic" sets a while back, which came with clear baseplates and a bunch of 1x1 bricks. I have been wondering recently if it is possible to use an image as a reference ...
8
votes
2answers
5k views

How can I build a Lego rubik's cube?

How can I build a LEGO Rubik's cube, I have 2 of them, and I've built them several times, but how can I build a LEGO Rubik's cube.
8
votes
1answer
1k views

Do old LEGO bricks contain lead?

I have a set of LEGO bricks from Denmark and they were made in the late 1960's; should I be concerned about my son playing with them because of any danger of lead in the product?
8
votes
3answers
7k views

What parts are really required to motorize 10219 Maersk Train?

The Official site detailed page states that: Motorize your Maersk train by adding LEGO Power Functions #8878 Rechargeable Battery Box, #8887 Transformer 10V DC, #8884 IR Receiver, #8879 IR Speed ...
8
votes
4answers
1k views

Where can I find LEGO X-Pod Playoff rules and printoffs?

Where can I find X-Pod Playoff rules? LEGO doesn't seem to be hosting them anymore. Asked because of this question. Hopefully it can be mirrored on a few sites so that it doesn't disappear again.
8
votes
2answers
183 views

What is the biggest base plate available?

I'm looking for as large a base plate as possible. Below is a 48x48 stud base, it's the largest I've seen. Are larger plates available? Either the thin type (as pictured) or the regular plate ...
8
votes
1answer
1k views

What would total cost of the LEGO® Star Wars collection be in MSRP to date? [Dec 2015]

According to this article from 2014, the cost to buy the entire LEGO® Star Wars collection since 1999 would have been just under $15,000 USD ($14,762). I assume the price mentioned in this article is ...
8
votes
1answer
1k 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 ...
8
votes
3answers
658 views

How to straighten 32L axles?

I have a number of the 32L technic axles, but most of them have some bend to them. Is there a straight-forward way to straighten these? Trying to bend them by hand has not seemed to change anything, ...
8
votes
3answers
2k views

Can Lego soccer (football) parts be used for anything other than soccer?

I had the Lego soccer field, but took it apart. What else can the parts be used for besides soccer? I'm specifically wanting to know about the green bases and minifigure stands.
8
votes
1answer
500 views

Alternative for Technic, Gear Rack 1 x 7 with Axle and Pin Holes?

We are trying to build a MOC which requires Technic, Gear Rack 1 x 7 with Axle and Pin Holes and we don't have that. Could we build it? Or are there any alternatives? FYI we do have Technic Gear ...

15 30 50 per page