Questions tagged [motor]
A motor is a machine, especially one powered by electricity, elasticity, pressure, internal combustion or some other means, that supplies motive power for a device with moving parts.
202
questions
15
votes
1
answer
2k
views
Can the Orient Express be motorized to run on standard track?
I've seen the new Orient Express (21344) set:
It does not include a battery box or motor, and it also doesn't include standard City tracks:
It instead includes custom brick-built rails for display ...
- 41.5k
3
votes
2
answers
844
views
Connecting a Lego PF M motor to computer
Can you connect the Lego Power Functions M motor to a computer with USB?
- 31
2
votes
1
answer
138
views
How can the 42180 Mars Exploration Rover be motorized?
The 42180 Mars Exploration Rover has a sturdy Technic frame with plenty of empty space - how could it be fitted with driving and steering motors for remote-controlled driving?
- 17.1k
2
votes
0
answers
92
views
How to troubleshoot an inert Power Functions Servo motor?
I tried to test a PF servo motor before building it into something larger to see if it works - it seems it does not. When connecting it to a 59510c01 9V PF Battery Box and toggling the switch of the ...
- 17.1k
20
votes
2
answers
7k
views
Did LEGO ever make motorised boats?
Did LEGO ever make motorised boats? Or an official motor that could be attached to LEGO floating boats.
- 245
3
votes
1
answer
70
views
Detect stalling Motor in the new EV3 Education Classroom
I have a gripper that should automatically stop closing when an object is grabbed. I achieved this in the older EV3 Home Edition by reading the motor current and comparing it to normal values. If it ...
- 33
4
votes
1
answer
136
views
Getting started creating LEGO kinetic sculptures
I’m brand new here and fairly new to LEGO. I’m an adult artist who wants to make LEGO-based kinetic sculptures. Can anyone point me in the right direction?
My experience is very limited — as a child ...
- 63
1
vote
1
answer
569
views
How could I motorize the LEGO Land Rover Classic Defender (10317)?
The latest LEGO Land Rover is primarily a system set:
Can this set be motorized using Technic or other components?
- 41.5k
0
votes
1
answer
262
views
What are the dimensions of LEGO spike motor?
Any ideas on what the dimensions are of this motor,
and the holes and space between them?
25
votes
1
answer
10k
views
How can I motorize the Hogwarts Express (76423)
I'd like to motorize this train set:
What is the best way to accomplish this?
- 41.5k
1
vote
1
answer
201
views
I want to get started making GBC modules. Which standard powered system to choose in 2023?
There seem to be two competing standards for powered LEGO modules in 2023.
Power Functions
Powered Up
I have read that Power Functions may be retired soon, but can easily work in a standalone ...
- 135
3
votes
1
answer
906
views
Is the LEGO train motor 88011 waterproof?
My son has been building a LEGO RC boat and has added the motor (part 88011) from this LEGO City Train Set to drive the turbines. He's pretty keen to try it out on water but I imagine the motor is ...
- 133
3
votes
1
answer
631
views
Correct axle rotation of partially built LEGO Cat D11 Bulldozer (42131)?
Page 173, Step 205, of LEGO Cat D11 Bulldozer (42131) instructions has a step to attach two sub-assemblies. What is the correct rotation of these two axles? Is it correct if they rotate in opposite ...
- 41
3
votes
2
answers
403
views
How to power on and adjust speed for a PU Train 88011
I'm doing a project for my kiddos.
I'm trying to find the schematics of a lego train motor 88011, I want to control them using an ESP32 through a telegram bot.
I have the ESP32 and the telegram bot ...
- 31
4
votes
1
answer
179
views
Wobble problem with the PF L motor
So I got my hands on a used 42095 LEGO Technic set that I wanted for a long time. After disassembling it and testing PF for the first time, I have noticed that one of the motors is extremely wobbly, ...
- 71
4
votes
1
answer
253
views
EV3 with 6 motors
My son has made a crane with 6 EV3 motors connected to an EV3 hub. He's used ports A,B,C,D and 1,2.
But two of them don't work. Are ports 1-4 just data ports for sensors, not motors?
Is 4 the maximum ...
- 283
5
votes
1
answer
494
views
Can 9V train motors be linked and work together via the top power stud connection?
I'm building a MOC based on the 10219 Maersk Train, but going for the classic track power 9V system given the removal of need for batteries and slowly increasing availability of new 9V parts from ...
- 153
2
votes
1
answer
347
views
Lego 21323 Grand Piano - After setting up app on page 110 of instruction, the gear is turning anti-clockwise instead of clockwise as shown
After completing all builds till page 108 of the instructions, I installed the app. But when I press play on a song the gear move for a quarter turn anti-clockwise but the picture on page 110 shows ...
- 21
4
votes
1
answer
460
views
Is there a Good Replacement M Motor?
I teach robotics with technic parts and M motors. The motors I have bought on Ebay burn out quickly and fit axles poorly (either too tight or too loose). It is difficult to teach when students' motors ...
- 41
2
votes
0
answers
221
views
Fixing a LEGO M Motor connector
I have several broken "Powered Up" M motors and I took one apart to see what was wrong. I ended up snipping off a section of the wire and re-soldering it back together but testing with an ...
- 1,119
25
votes
1
answer
6k
views
How does the motorized lighthouse rotate continuously without tangling the wire powering the light?
I'm curious about the Motorized Lighthouse (21335):
As the title suggests, this set is motorized to allow the light on top to rotate continuously:
From the looking at the inventory, it is clear that ...
- 41.5k
3
votes
2
answers
522
views
Convert 9V train to Powered Up
This is a follow-up from question "Can I convert my train 9V 4563 to the Power Functions motor?", now that Power Functions motors have been phased out in favour of Powered Up motors.
How can ...
- 9,366
0
votes
0
answers
135
views
Motor stalls and starts smoking after roughly 5 seconds
I have done everything that I was supposed to (with the setup), and when I press the button to supply power to the motor, it stalls (sometimes), and when it does spin, I can see a small puff of white ...
- 1
9
votes
1
answer
2k
views
Is there any difference in the power, wheel, and track technology between 2018 trains and 2022 trains?
LEGO came out with 60197 City Passenger Train and 60198 City Cargo Train in 2018. Much more recently they released very similar sets 60337 City Express Passenger Train and 60336 City Freight Train. ...
- 747
7
votes
1
answer
656
views
What is the best way to connect SPIKE prime angular motor to a wheel
I was wondering if there is a difference in the amount of torque transferred to the wheels from a LEGO SPIKE prime angular motor (45603 LEGO Education SPIKE Prime Medium Angular Motor) depending on:
...
- 173
2
votes
0
answers
110
views
Fit motor to old tractor
I'd like to motorise this tractor I built from an old Lego book.
I've 4.5 volt motors. The model is 6 studs wide, the motor is only 4, and since the tractor uses big wheels it would be too fast. Is ...
- 461
0
votes
0
answers
98
views
How do I disassemble Powered Up Motor XL? [duplicate]
My question is, how do you take the XL motor apart?
I tried with my knife and hands, but unfortunately, it is still whole in one piece (tabs).
I got the XL motor from the set 42099 and I would to make ...
0
votes
1
answer
182
views
42114 (6x6 Volvo Articulated Hauler) doesn’t operate bucket and also doesn’t drive
My 42114: 6x6 Volvo Articulated Hauler drives in first gear for a moment, then stops completely; same thing with 2nd and 3rd gear. It doesn’t operate the bucket either. I suspect I forgot to add a pin ...
- 1
12
votes
1
answer
3k
views
What's inside the SPIKE Essential small angular motor?
I'm curious about this motor (68488):
This motor looks very small. What is inside this motor? How does it compare to the other Powered Up motors?
- 41.5k
4
votes
1
answer
2k
views
I am building the LEGO 42131 D11 dozer and some of the parts are moving in reverse when testing
I am building the D11 dozer and some of the tests like 2 and 4 are moving the parts in the opposite direction that they are supposed to be going. I took apart the entire build and rebuilt it and the ...
- 41
1
vote
0
answers
111
views
Power from single XL-Motor to both rear and front axles [closed]
I have a single XL motor and I would like to make my small car a 4WD one.
Currently, it is just front-wheel drive.
Any good instructions on transmitting power to rear wheels as well?
- 111
6
votes
2
answers
585
views
How can I connect a 4mm Stepper motor shaft to a technic gear?
How can I connect a 4mm or 6mm stepper motor D shaft to an old Technic gear?
I would like to mount an old 8-tooth gear to a 4-6 mm diameter stepper motor shaft.
Lego part: 3647:
Stepper motor:
...
- 279
7
votes
1
answer
286
views
Looking for a PC controlled motor that allows for very small and precise movements
The image below is a LEGO specimen stage designed for a stereo microscope. I am looking for a recommendation for a PC controlled motors that allows for very small and precise movements.
I want use ...
- 279
5
votes
1
answer
187
views
NXT - Mirror motor rotation
I'm trying to make a program in NXT 2.0 that mirrors the (manual) movements of one motor to another.
I managed to start motor B running in the right direction but I am having trouble controlling the ...
- 163
10
votes
0
answers
354
views
How To Ensure Only One Brick is Fed Into a Lego Sorting Machine at a Time?
In this video, they create a machine that can take a bunch of legos put on to a conveyor belt and, using a camera, sort them into a number of categories. I am building a (smaller) version of this, and ...
- 101
6
votes
0
answers
301
views
Fix Lego M Motor - The hooks aren't budging
I have a Lego M motor that is broken. I'm following the instructions here to try to fix it but the little tabs that hold the plastic frame together just won't budge no matter how hard I'm pushing them ...
- 1,119
18
votes
4
answers
2k
views
How can I get my motor to line up with a linear actuator?
I am very new to Lego, and I want to create a simple horizontal sliding door. I'm using a medium linear motor to drive a linear actuator which is attached to the door. The problem is the motor does ...
- 181
8
votes
1
answer
446
views
Motor problems in 60051
The motor in my High Speed Passenger Train set (60051) has stopped working properly. I just put brand new batteries in and it acts just like if they were worn. Moreover, the little brown capacitor ...
- 181
2
votes
1
answer
294
views
What motor and remote control can be used for LEGO train 60197?
I got the LEGO set 60197 passenger train and its missing the 3 components. The motor, the battery, and the remote. I've tried to look online for it but the only motor I see online is 88011. Is that ...
1
vote
0
answers
190
views
Are Technic and Education sets overpriced because they're "educational"?
It seems like to get a Technic set of any substantial size costs hundreds of dollars. It's kind of insane. Technic is marketed as "educational". Sometimes I wonder if The LEGO Group is ...
- 353
3
votes
2
answers
2k
views
What is inside the LEGO Powered Up L motor?
What's inside the Powered Up L motor (part bb0959c01)?
How do its internals compare to the XL motor and the M motor?
- 33
4
votes
1
answer
2k
views
Difference between the "Simple Medium Linear Motor" (45303) and the "Medium Linear Motor" (88008) Powered Up motors
What is the difference between the "Simple Medium Linear Motor" (45303) and the "Medium Linear Motor" (88008) Powered Up motors, other than the size and design? Is the performance ...
- 43
3
votes
1
answer
218
views
Can an EV3 power a buggy motor with the NXT to 9V extension cable?
On Philo's motor comparison webpage, https://www.philohome.com/motors/motorcomp.htm, it says that the buggy motor (42908 lego id, 5292 bricklink id) is not recommended to be powered by an RCX as the ...
- 11.1k
0
votes
0
answers
438
views
How to increase the voltage supplying to technic motor through the Technic hub?
I have four Technic Large Motors, all connected to a technic hub. I am using the motor to turn some large propellers and the hub is powered by six 1.5 V (maybe less) batteries depending on the brand. ...
- 217
2
votes
2
answers
1k
views
What is the max current for the LEGO EV3 motors (pin 1-2)?
The LEGO EV3 Hardware developer kit says that the first and second pin of output port provides a current of max of 700 mA with 1 A but the motors appendixes don't have the maximum current that can I (...
- 159
3
votes
3
answers
994
views
How to stop or freeze the EV3 large motor in position
How do I stop or freeze the large motor in a fixed position? I have a forklift type attachment that will lift to the precise height, but will not stay in position due to the weight of the attachment.
...
- 41
5
votes
2
answers
251
views
How does the 8365 Tuneable Racer work?
The set 8365 Tuneable Racer has tunability as its main feature, meaning the motor's parameters can be changed by adding, removing or swapping certain additional elements. However, these parts seem to ...
- 17.1k
4
votes
0
answers
54
views
How do I sync audio and movement on my NXT 2.0?
How do I sync audio and movement with my NXT 2.0? I'm building an animatronic head and I can't find a good way to sync it with external audio because the internal speaker is too quiet.
0
votes
1
answer
74
views
Program just stops motors and won't move
I'm trying to make a program in the NXT software that turns on the motors unlimited, then waits until something is less than 30 cm, stops the motors, turns to the left 30 degrees and saves the value ...
- 11
6
votes
1
answer
812
views
Any build instructions for vertical Technic/Lego conveyor belts?
I'm trying to figure out how to continuously lift a stream of incoming pieces up vertically, at least 10cm. This is my first real custom build attempt, so I'm very much at a loss on how to go about it....
- 163