Questions tagged [technic]

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

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5
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2answers
169 views

Part differences between main and alternate models of 8285 set

Someone is selling the alternate model of the 8285 set But I'm really more interested in the main model of that set. Does anyone know how many bricks I'm going to be missing when only the bricks ...
1
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1answer
51 views

What set did this Technic container come from?

This box has a lot of Technic LEGO pieces but I don't know which set this is from. The box is small, violet.
1
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1answer
130 views

How to make a Lego continuous convejor belt

This is my first post here and, additionally, I am total newbie for Lego. So I need to make a continuously working conveyor belt transporting blocks. I have seen that post: How to make a conveyor belt ...
7
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3answers
1k views

Clip a wall to a 6 or 7L pole

I'm planning on making a wall 6 bricks tall. The wall will have some vertical clips coming out to clip to a vertical pole. Unfortunately, the only 6 or 7 length bars appear to have the little stopper ...
5
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2answers
358 views

How to locate pneumatic leak

I have a simple pneumatic claw with a 2 pump compressor that I built somewhat recently. It worked fine for a while, producing up to 4 bars of pressure, but then the system wouldn't increase the ...
3
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1answer
143 views

Issues with my LEGO Land Rover Defender - Rear Wheel Keeps Popping Off

I just finished the assembly of the Land Rover Defender Technic model and it appears I have trouble in the rear... the rear left tire keeps popping off every time I try to roll forward. It is secure, ...
6
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2answers
119 views

Overview on how to use special Technic parts?

I just came out of my "Dark Age" inspired by my kids growing up and getting more and more out of Duplo and into Lego. I bought a mixed lot of Technic parts and man, there are a lot of new parts! So ...
16
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2answers
3k views

Is this a real Technic cloak?

I found a cloak piece in some used LEGO I bought from a former LEGO employee. The cloak does not say LEGO on it, but it fits perfectly onto Technic figures with a satisfying pop and matches the ...
1
vote
1answer
168 views

How to motorize a LEGO Pneumatic valve?

I am working on a project that requires remotely switched LEGO valves, and I tried many designs I found, and none of them worked due to the valve causing too much resistance. Does anyone have a ...
4
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2answers
322 views

Which parts have no-friction Technic axle holes?

I want to make a no (or very low) friction inline coupling for axles. The axles must turn, transmit moderate torque, and be in phase (therefore backlash must be minimal). The axles remain inline at ...
7
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1answer
151 views

Harley Davidson chain belt running jolty

I am building the Harley Davidson Fat Boy from Creator Expert (10269) and when installing the chain belt that connects the engine gears to the rear wheel I noticed that it runs quite jolty, with the ...
6
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1answer
195 views

LEGO Technic #42082 - Rough Terrain Crane: Loose Feet

LEGO Technic crane set #42082. Putting the feet on now, are they supposed to click in somehow? Also, my feet don’t seem to touch the ground. I’m worried I messed up somewhere a long time ago. Help ...
18
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2answers
23k views

Is connecting LEGO studs on Technic pins legal?

I see it in MOCs all the time, and I’ve seen studs connect on half pins in official sets, but what about full pins?
2
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2answers
146 views

Looking for a way to connect SG90 servo motor to Lego Technic hole in a brick, in order to control Lego train tack switch

After looking at this question: Can I remotly control the points on PF train tracks? I got the idea of controlling the train track switch handle using a servo motor that will be able to move the ...
6
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1answer
1k views

Alternative to LEGO CONTROL+ app

My son just received the Liebherr R 9800 excavator 42100 LEGO set. It would seem the Control+ app that is recommended for it simply won't work. It doesn't even connect to the blocks. What are the ...
10
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2answers
389 views

All-purpose Technic set?

For LEGO Classic there are plenty of "build anything" kinds of sets, but is there something like that for Technic? Ideally, I'm imagining a box of the most useful 1000 or so Technic pieces, so that ...
6
votes
1answer
658 views

Issues with my LEGO Land Rover Defender - Low rear

Just built the 42110 LEGO Land Rover Defender and found the rear of the car sitting very low on its base and the rear wheels almost touching the wheel arches. This is very low compared to the front ...
12
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2answers
885 views

Is there a way to plan and organize your LEGO project like a GitHub hosted software?

I have the idea to host, plan and maintain a LEGO project (building a MOC in several steps with different functionalities) like a software in GitHub. The project should have forks, pull requests and ...
3
votes
1answer
134 views

Is there a way to convert .ev3 files to .uf2 files?

I am using Lego Mindstorms EV3 Education Edition and I am wondering if there is a way to convert the default .ev3 files to .uf2 files
4
votes
1answer
186 views

Double linear actuator boom movement

The following Technic sets 8043 (Motorized excavator) 42009 (Mobile crane) 42082 (Rough terrain crane) 42110 (Liebherr) and likely a couple of more have a double set of linear actuators to move ...
7
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1answer
207 views

Why do Technic beams have an odd number of holes?

Why do LEGO Technic beams tend to have an odd numbers of holes? Is it for making it suitable for designing models? Or does the owner of The LEGO Group love either odd or even numbers?
6
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2answers
213 views

Compatibility between vintage (80s/90s) Technic and current parts (motors etc)

I've recently got my old Technic out for my daughter (who's a little young for her own, but her Friends now drive around in a tank). If I start to acquire more, and more sophisticated, motors and ...
5
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2answers
1k views

Electric motors - what for beginning?

I just got my first Technic joblot and now I am thinking about adding motors. I already have some - cheap ones from Amazon. I attached 1 axle pin to such motor with glue gun, works well except one ...
1
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1answer
211 views

Are these LEGO pieces original? How can I be sure?

When I enter in the code on the BrickLink site the codes come up, but there are no markings on the tires suggesting the name of the company or any code. Could it still be an original piece if this is ...
5
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1answer
402 views

Trouble with 42110 Land Rover Defender transmission

I just got the 42110 Land Rover Defender and assembled bags 1 and 2. I tested everything before joining the front axle and rear axle, and the friction was quite low, not nearly high enough to get ...
2
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0answers
116 views

Gonk droid spinning saw blade

This is the Gonk Droid from set 75253 Boost Droid Commander: The accessories for the third mission "defending the Falcon" have been added. The right arm can punch and shoot a "laser beam". However ...
5
votes
2answers
183 views

Why do technic bushings have a flat side and a wavy side?

Exhibit A 3713: The near side is smooth on the circumference, but the far side has a wavy pattern. In Lego directions, the photos usually show the "orientation" of the bushing, but if I put it on the ...
3
votes
1answer
345 views

What does the +/- dial in the Lego Defender model do?

Lego today released a video showcasing the new 42110 Land Rover Defender model. The video captions mention that it has “Lego Technic’s most sophisticated gearbox to date”, and we see 3 seemingly ...
2
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2answers
52 views

Fixing a not working Power Functions L motor

Four of my PF L motors don't work. How could I make them work again? I didn't find any information about L motors, only M and XL.
7
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3answers
703 views

2:1 gear ratio in stud-less Lego Technic

Is there a recognised technique to create a 2:1 gear ratio in stud-less Lego Technic? Neither of the two methods suggested here (studded though) work. 24T/12T with a 2L x 1L axle offset does rotate, ...
2
votes
1answer
60 views

How to prevent PF M-motor from springing back

I'm currently building a car with a simple 2-speed remote controlled synchronized transmission, shifted by a PF M-motor. Everything is fine except for one thing, the transmission driving ring is ...
-1
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1answer
97 views

Ideas to help develop a child's engineering skills?

My son is 7 yrs. old and has really creative ideas with his bricks. I see it challenging him and wonder, "How can I help develop his product engineering/design skills?" What kind of tasks can I give ...
15
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1answer
2k views

Which old Technic set included large yellow motor?

I am trying to find the number or some other identity of a Technic set I remember owning as a child (so it was probably bought in the 1985-1995 year range, more likely in the 80's half of it). Among ...
2
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2answers
166 views

Which set is this black LEGO Technic car with skull and fire stickers?

Please help me to identify the LEGO set. Thanks!
3
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2answers
195 views

3x3 black Technic bracket piece needs identifying

I need some of this part but I’m struggling to find any sets they came in:
3
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3answers
1k views

Why isn't the new LEGO CV joint available on Bricklink or Brickowl?

In the new 4x4 X-treme Off-Roader set 42099 there are 2 new, sturdier CV joint pieces that I would like to have. If I search for 42099 on Bricklink I don't see a list of pieces included in the set. I ...
2
votes
2answers
246 views

Technic beam centering for beam with even length

I design stereo camera housing for robotics (3d printing). I want the housing to be able to connect to both LEGO Classic and LEGO Technic blocks. I designed 2 groups of 4x4 holes/pins on the bottom/...
3
votes
1answer
222 views

Problem-shooting on 8070 “Super Car” with Power Functions

I have recently bought a used Lego Technic car (8070 Supercar). It was not fully built, and from the instructions I learned that it was fully built except for approximately the last 10 steps. I ...
-1
votes
1answer
372 views

Arduino-izing LEGO Technic - and now I need some ideas for the Lego Service Truck 8071

I am starting a project - Arduino-izing LEGO Technic - and now I need some ideas for a car / vehicle to choose. This project starts out as a quest to find a way to combine the ease of LEGO Technic ...
3
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2answers
240 views

Lego Technic 60C01 Clutch Gear Bore size

I was wondering what the bore size is off the 60C01 clutch gear as I was unable to find it anywhere. Also, what is the pitch of such gear?
5
votes
1answer
180 views

Pin Connector 62462 vs 75535

I wonder what is the purpose of the slot in the 62462 pin connector? What can it be used for, beside from help with part separation? Part 62462 (2005-present) is newer than 75535 (1995-2008), but the ...
4
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0answers
207 views

How to build an arch that is angled out of Lego?

I am currently working on a MOC for the USS Orville and I am trying to figure out the engines. I have gone through a couple of iterations on my current version, but it always buckles under its own ...
5
votes
1answer
440 views

LEGO 42095 wheels going opposite directions

My son just finished the 42095 Remote-Controlled Stunt Racer and the two wheels go in opposite directions. Have checked and rebuilt and still can’t get it running in the same direction. Can anyone ...
4
votes
1answer
111 views

How to debug gears in the Bucket Wheel Excavator?

My 8 year old is just finishing the Bucket Wheel Excavator. He turned the motor on and there is a significant clicking noise. It looks as though the top gear noted in the picture gets stuck. Not sure ...
3
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2answers
148 views

Has LEGO ever been used in an assembly line or a manufacturing process?

With LEGO Technic and LEGO Mindstorms becoming ever more sophisticated, I wonder if it has ever been used in a real commercial setting to automate parts of an assembly line or manufacturing / research ...
1
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1answer
134 views

What is this piece? 2 axle and 1 pin?

I've been looking around for this piece, google images etc, cannot find it. Any ideas on a part number?
5
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2answers
152 views

Any (small) Lego Technic parts not in whole units?

This is aimed at building a GBC module, not to reproduce an actual engine. I need a piston type construction with stroke length of 3 units, which means a crankshaft radius of 1 1/2 units. Are there ...
0
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0answers
82 views

Is there any software except SR 3D Builder with the ability to simulate the interaction of gears that doesn't require scripting?

I'm aware that one can do that in LDCad but with scripting. Should I invest my time in learning SR 3D Builder or is there any other option? It's just not a very intuitive software for me but I might ...
8
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2answers
386 views

Has the building technique of Technic pins in a brick cylinder been used in an official set?

One of my favorite building techniques is to place a Technic pin into the anti-studs of a brick. This allows two bricks to attach bottom-to-bottom. It's a pretty secure connection, but I'm not sure ...
1
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2answers
101 views

Is there any easy, documented or official way to replace pullback mechanism with Motor Set 8293

There are many Technic cars with a pullback mechanism, like 42059, 42073 or 42072. Is there any systematic, easy, documented or official way to replace the pullback mechanism with the LEGO Technic ...

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