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

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743 views

Buying another kit instead of 8293-1: Motor Set?

I want to get some motors but don't know if it is a better idea to buy 8293-1: Motor Set or try obtain motors from some other sets. Is there any kit challenging 8293?
4
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1answer
176 views

Identification of arm like beam

Any part number information about this technic beam?
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1answer
2k views

List of Lego Technic sets with remote controller?

I am interested in buying a set with motors (etc) with a remote controller. Is there a website that allows to search with this conditions? Official website is pretty bad. I have found the Lego ...
2
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1answer
1k views

How to build a flywheel crankshaft piston pattern with technic?

I'm not sure of the name of the pattern, feel free to edit title if you have a better name for the pattern commonly used in engines. I was just wondering if anyone has built this specific pattern in ...
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2answers
1k views

Pattern for vertical motion using technic lego

I have a motor and some other components that move a machine vertical on the ground. Inside the machine i need to raise a part by 5 cm, up and down. Are there some common patterns that can move ...
7
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2answers
472 views

What part(s) can I use to connect technic liftarms at a 90 degree angle?

Is there a way to connect the two beams in this angle and still keep the connection strong and keep the rotation the same?
5
votes
1answer
405 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 ...
5
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2answers
306 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 ...
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1answer
3k 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 ...
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3answers
3k 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 ...
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3answers
8k 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 ...
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3answers
4k views

Why does LEGO now use studless technic designs?

It seems to me that sometime between 1998 and 2006 (between the Mindstorms RCX and NXT), LEGO switched from using studded technic bricks (like this:) to studdless beams (like this): In my ...
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1answer
1k views

What are the angles used in angle connectors and liftarms?

LEGO makes Technic Angle Connectors, like these: (Here are names and part numbers). They also make angular liftarms, like these: (part 32348). That last part has an angle of 53.5 degrees. ...
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1answer
222 views

What are the possible differences between LEGO elements? [closed]

I'm in a technical school in the Netherlands and we received the following questions for an assignment: What are the other possible differences between LEGO elements? What are the different forms of ...
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3answers
1k views

How to Make a Lego Claw Arm?

I am trying to build a lego claw arm to pick up stuff that is out of my reach and I need some ideas on how to design it. I would like a mechanism to be able to open and close the claw from the ...
8
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4answers
3k views

Lego Digital Designer Alternatives

I am been using LDD (Lego Digital Designer) for my latest NXT project and noticed a major delay in building and making instructions for my Projects (My Mindstorm projects contain well over 500 pieces) ...
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2answers
708 views

Is there an easier way of threading Technic pins into other elements?

I've been using Lego Digital Designer to recreate a few models I've built in real life. One model in particular uses many Technic axles which need to be inserted fully into other Technic bricks (like ...
6
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1answer
773 views

How to improve the range of an IR receiver?

I am creating a new Truck which contains two IR receivers in the front hood. With my testing I get a range of about 6 feet (I have also noticed the small Technic motors on the IR receiver are slow ...
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3answers
10k views

How to speed up the 4x4 Crawler truck 9398?

Just finished building the 4x4 Crawler and it was a fun build but as a remote control car it is . . . in a word . . . SLOW! I know it's powerful and can climb over stuff but sometimes there is nothing ...
7
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2answers
2k views

Exact dimensions of studless Technic beams

I'm looking for the exact dimensions of the studless Technic beams. I found a number of answers for studded beams but there are some more aspects for the studless beams which are not covered. I'm ...
13
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3answers
676 views

Is there a way to remotely operate the push-button light brick?

The push-button light brick seems to be popular with Lego at the moment, and included in quite a few sets. I'd like to find a way of being able to operate it remotely, so that I can include the ...
10
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3answers
3k views

How to start with technic?

I have bought myself the technic set 9393 Tractor. I really like the model and I want to dig deeper into the Lego technic universe. I am not focused in building pre-designed models (although I enjoy ...
8
votes
1answer
361 views

Mechanical auto-unblocking mechanism

I have a GBC module1 which is quite simple but blocks regularly because a ball happens to be at just the wrong place at the wrong moment. Per se, it's not a problem as a Technic Gear 24 Tooth Clutch ...
11
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1answer
746 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 ...
9
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2answers
2k 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
472 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, ...
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2answers
2k 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 ...
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2answers
319 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
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1answer
690 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 ...
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2answers
3k 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
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2answers
630 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, ...
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0answers
394 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 ...
15
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2answers
2k 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
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1answer
940 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
463 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 ...
17
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5answers
968 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
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4answers
365 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
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5answers
1k 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 ...
8
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2answers
10k 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
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2answers
2k 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
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2answers
1k 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
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1answer
4k 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
628 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
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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?
16
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3answers
1k 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
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2answers
4k 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 ?
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6answers
6k 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
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4answers
4k 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, ...
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7answers
3k 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 ...