Questions tagged [technic]
A more advanced form of LEGO®, allowing for the creation of more realistic working parts.
295
questions
6
votes
1answer
72 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
votes
1answer
157 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
votes
2answers
22k 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
votes
2answers
116 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
votes
1answer
319 views
Alternative to Lego's 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
votes
2answers
350 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 ...
5
votes
1answer
281 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 ...
11
votes
2answers
873 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
78 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
174 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
votes
1answer
180 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?
5
votes
2answers
152 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 ...
4
votes
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
vote
1answer
198 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
votes
1answer
255 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
votes
0answers
108 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
169 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
251 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 ...
1
vote
2answers
45 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
votes
3answers
653 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
58 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
votes
1answer
95 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
votes
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
votes
2answers
152 views
Which set is this black LEGO Technic car with skull and fire stickers?
Please help me to identify the LEGO set. Thanks!
3
votes
2answers
181 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
votes
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
212 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
218 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
284 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
votes
2answers
221 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
169 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
votes
0answers
176 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
354 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
107 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
votes
2answers
142 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
vote
1answer
124 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
votes
2answers
144 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
votes
0answers
73 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
votes
2answers
367 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
vote
2answers
91 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 ...
5
votes
2answers
473 views
What is a good third party battery box and receiver?
I got the LEGO 4x4 crawler for my birthday and I love it. But there is one slight thing which I hate: it has terrible range when using it outside. I know there is BuWizz which is a third party ...
2
votes
1answer
142 views
Where to buy rare old LEGO sets?
Does anybody know a good place to buy rare old LEGO sets?
I'm looking specifically for old "pneumatic" featured LEGO Technic sets.
2
votes
3answers
311 views
Parts for “Simple Machine” book by Isogawa-san?
I would like to make some models from The LEGO Technic Idea Book: Simple Machine by Yoshihito Isogawa.
It seems the author is using parts of different "Technic" sets.
Could you advise where can I ...
5
votes
3answers
190 views
42043 Mercedes Arocs Truck Crane Turntable Sticking
I have recently found that the turntable of the crane has been sticking when turning! Having taken apart the crane and investigated the issue, it seems to be the interplay between the turntable's ...
4
votes
1answer
150 views
Which set is this 2 x 6 slope with holes from?
I picked up a bag of loose LEGO at a thrift shop and cannot identify which set this piece comes from:
The holes pass all the way through the slope but have small details inside that prevent a ...
3
votes
2answers
637 views
Advice on Power Functions for an 11-year-old?
My 11-year old son wants to add power to his creations but neither of us know quite how to start this new adventure. He doesn't have any Technic or Mindstorms sets.
Looking through sets online, it ...
4
votes
1answer
208 views
I'd like to build a mechanism to press buttons on a remote control. What is a good basic approach to use?
I have a small remote control like device with about 11 buttons. The centers of each button are placed about 1.1cm apart, and each are about 0.7cm in diameter (this means about 0.4cm between the edges)...
8
votes
1answer
452 views
What is the three-position lever in the Bugatti Chiron supposed to do?
I've just finished assembling the Bugatti Chiron (42083), and there's a three-position lever in between the two seats that -- probably -- isn't working: one position connects the wheels to the engine; ...
3
votes
2answers
116 views
What does each Midstorms part do exactly?
It's been a few years since I bought a Lego Mindstorms (v2) which comes with the Technic style pieces.
There's beams, axles, rods, connectors... but the majority of the times when I'm building (my ...
0
votes
1answer
80 views
Problem With Bionicle Joint Sockets Cracking, Repair Options?
I'm pretty sure that serious Bionicle fans have all dealt with cracking of the joint socket pieces. However, is super-gluing the broken parts a solution? I'm worried that the joint socket won't be ...
