A more advanced form of LEGO®, allowing for the creation of more realistic working parts.

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10
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1answer
555 views

Will Lego repair a bad motor?

I have the Electric Technic Micromotor: http://www.peeron.com/inv/sets/5119-1 and it simply won't come on. I seem to recall at some point someone telling me a long time ago, that if you sent parts ...
8
votes
2answers
1k views

Homemade methods for interfacing a Servo with LEGO bricks

I'm looking for non-destructive way to structurally attach a standard servo with LEGO bricks. I'm interested in answers for either Large, Medium or Small size servos. I'm using LEGO ...
6
votes
2answers
315 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, ...
4
votes
2answers
1k views

How does the remote control on the 9398 4X4 Crawler work?

Been looking for a good option for creating a remote control car but it seems Lego released an "official" way via the 9398 4X4 Crawler but it's expensive. How does it work? And that's really two ...
5
votes
2answers
270 views

Instructions on small car, came with Technic Race Car, circa 1986

When I was about 10 (so, about 1986), I had a Technic race car (formula-1 like), and the instructions had an alternate thing you could make. It was just a small car, with rack and pinion steering. I ...
10
votes
1answer
605 views

How to convert new 4x4 crawler to tracks?

With the new 9398 4x4 crawler coming out what would need to be done to convert it to a track based system that looks similar in style to the ones sold by Mattracks? On a related point what would make ...
8
votes
2answers
2k 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
2answers
536 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, ...
1
vote
0answers
345 views

How do you secure a power function motor to a technic extreme cruiser? [closed]

I am trying to help my son install a power function m motor in his Technic extreme cruiser. We found a good place to put the motor and if we hold it in place it does drive the rear wheels. The ...
13
votes
2answers
1k views

Is Technic compatible with Mindstorms?

My wife bought me a Mindstorms NXT 2.0 for my birthday. I've been reading up on it from as many sources as possible however apart from the 9695 Education Resource Set which adds some additional bricks ...
5
votes
1answer
497 views

What is the name of the Technic pieces that snap together to make a track?

We have these little black Technic pieces that connect together; they make a track that fits over the gears (sort of like wheeled-belt-track on excavators or tank track). Can you tell me the name of ...
12
votes
1answer
403 views

Is this element some kind of Technic connector?

I am thoroughly confused about an element I have come across: I have never seen a piece quite like this. It's unlike any Technic connector I've seen, so I doubt if that is what it's for. The two ...
16
votes
5answers
850 views

Technic axle corrosion? What happened here?

I got my LEGO from storage from when I was a kid (1980s) and while almost all bricks are in good condition, the Technic axles are in a pretty bad shape. They seem to have corroded(?). Please see the ...
6
votes
4answers
339 views

How can I blow a stream of air for up to two minutes at a time?

I'd like to be able to blow a constant stream of air for up to two minutes. The purpose of this blowing element would be to play a harmonica, using holes punched in a roll of paper/film to expose ...
17
votes
5answers
951 views

Can an axle be removed from this 'brick paradox'?

This blogpost on Technic Bricks briefly explains a few 'brick paradoxes' or dead ends. This particular model seems impossible to disassemble by hand: How can I remove the axle without ...
7
votes
2answers
7k views

Which sets currently contain pneumatic LEGO equipment?

When I was younger my dad bought me 5218-1, a technic-based pneumatics set, which, combined with the old motor system to provide a mini compressor system created quite a bit of entertainment and it ...
13
votes
2answers
1k views

When did LEGO stop producing Technic action figures?

I recently got interested in LEGO Technic again. The last set I own is maybe 15 years old, so my knowledge is a little bit outdated. Back then some of the Technic sets had action figures included, ...
12
votes
2answers
877 views

Are Samsonite gears compatible with modern Technic gears?

Do the old Samsonite gears (above) work with current Technic gears (below) LEGO bricks tend to be backward compatible with older bricks, but since I don't own any Samsonite gears I cannot tell.
16
votes
1answer
2k views

How can I make a working pin tumbler lock?

I'd like to make a working pin tumbler lock out of LEGO bricks. I have already designed a key I'd like to use that should be compatible with five cylinder lock.
10
votes
1answer
3k views

Is a N2 or CO2 paintball tank a viable power source for a LEGO pneumatic Engine?

I would like to know how a LEGO pneumatic engine would perform when powered with a nitro (N2, HPA) or CO2 tank. I have seen a few RC cars powered with air (from soda bottles), so I am wondering if it ...
13
votes
1answer
519 views

How much weight can a handle of Technic pegs and beams support?

Some Lego spaceships have handles attached, made out of Technic beam and pegs, and attached to the model using Technic bricks, pegs, and axles. For example, 7644: MX-81 Hypersonic Operations Aircraft ...
19
votes
3answers
4k views

How can I build a functional gearbox?

I'm looking for a fully functional (manual) transmission / gearbox for my Technics motorized vehicle. How can I build this?
17
votes
3answers
919 views

How would you make a good pivot-arm suspension?

I once tried to make a 4 wheeled Lego robot using a pivot arm suspension system. The robot was motorized using 2 Mindstorm (2.0) motors (one one each side). I can't find and original picture but it ...
2
votes
2answers
3k views

Where can I find LEGO technic pieces? [closed]

I love the design by me software, but there are too few LEGO Technic pieces. Do you know somes places (in Europe) where I can find LEGO Technic pieces without buying sets ?
11
votes
5answers
4k views

What are the largest Technic-compatible tires on the market?

I am looking for the largest LEGO wheels with tires available to build a nice-sized RC LEGO car. Of course I will start with the simplest prototype, but I would like to achieve a design which will ...
18
votes
3answers
3k views

When did Lego decide that it was okay to put a stud into a technic hole?

At one point, Lego didn't really support putting a stud into a Technic hole, stating that it caused too much stress on the bricks. And for a while, there were no sets where that's the case. However, ...
20
votes
7answers
2k views

Why did Technic bricks have holes in the studs?

Lego Technic (/ Expert Builder) bricks have always had a very different design than the normal Lego brick, with peg holes lining the sides serving fairly obvious purposes, but they also have had (as ...
13
votes
1answer
998 views

Is there difference between different colors of LEGO axles?

There are a few different colors of LEGO Technic axles, but not enough to really use for artistic variation - black, grey, some beige, and recently I have started seeing blue. The particular color ...
13
votes
1answer
529 views

What are these Technic “Zapfen” (“stoppers”) called in English?

What are these pieces called in English? Google translator doesn't help in this case...
41
votes
5answers
3k views

Is it possible to build simple logic gates with LEGO mechanics?

I built a simple bitshifter in Minecraft yesterday. I wondered if something like this could be built with LEGO? Maybe there is a possibility to build gates with rubber bands and those movable ...
26
votes
6answers
4k views

What are the best options for building a LEGO RC car?

I would like to build a remote controlled car. And if someone already has a good solution for that I would be glad to try it. It's been a while since I had the time and material to build some LEGO ...