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.
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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. ...
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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:
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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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?
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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:
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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. ...
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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 (...
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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.
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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 ...
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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.
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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 ...
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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....
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How to run 2 motors at the same time in the new EV3 version?
So I've seen a question that solves my problem in an older version, which I don't think is possible in the Education EV3 Classroom - 1.2.2, which is the one I'm using. I want to simultaneously run 2 ...
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Does LEGO sell a DC relay for Power Functions?
I’d like to use a signal from a (5V) littleBits circuit to control some (9V) Power Functions motors.
Does LEGO sell or recommend a DC relay to facilitate this sort of thing?
If the answer is no, I’d ...
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What is the maximum voltage for motors from Cybermaster units?
I recently bought a non-functioning Cybermaster unit [part:71797].
As the motors in there might be perfectly fine, I'd like to use them.
I could not find information on these motors (as opposed to ...
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Oil for old 4.5V motor? (UK)
I've just got my old LEGO Technic motor from my loft. It works but squeals in a way I don't remember it doing (35 years ago). I assume some lubrication would help and I've seen references to 3-IN-ONE ...
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Lego RCX to NXT converter cables not working properly with EV3
I recently got some of these cables(see picture below) to control an old RCX motor. Some things to note before reading on. I tried both the medium and large motor blocks and played around with power, ...
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How to Motorise 42111 Dom's Charger Technic
I just received the 42111 Dom's Charger set as a gift, and I was wondering whether it could be motorised and RC controlled? A part list would be great as I don't own any Power Function parts.
Cheers ...
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The Powered Up app won't connect to my Technic Hub
I have recently bought a Technic Hub and four Powered Up L motors, but currently I only put two motors into the B and D ports of the hub. I downloaded the Powered Up app to a tablet and used the "...
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How deep can the axle go in the Powered Up L motor?
I am trying to make a MOC but I can't decide how long the axle could be so it can go fully into the motor but not extending out of the other side. Could you tell me how long the axle can go in?
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Is the Technic hub putting the battery in series or parallel
Can anyone tell me how the battery in the Technic Hub is connected? Are they connecting the batteries in series or parallel? It is the hub that powers the motors, right? If all 6 AA batteries are ...
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What is the power of Lego Powered Up motors (M, L, and XL) and the Move Hub motors?
I am trying to build a setup that includes two propellers that can pitch up and down. I am debating whether I should use two motor to power each propeller and the other two to act as servos for each ...
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What is inside the Technic Powered Up XL motor?
What components are inside the new Technic Powered Up XL motor? Is it the same as the PF XL motor, except with a different connector?
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Repairing a 12V switch motor
My son caused me to dig up my old 12V lego trains. Surprisingly they mostly work, except for one part:
https://www.bricklink.com/v2/catalog/catalogitem.page?P=70026&idColor=9#T=C&C=9
This is ...
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If I were to make a LEGO fan how would I make it blow air on me?
I was just wandering off into my imagination and then it hit me: I should make a LEGO fan?
I mean, how hard could it be?
It is actually very hard for me. No matter how much ratio I put on it, it ...
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Looking for a way to connect SG90 servo motor to Lego Technic hole in a brick, in order to control Lego train track switch
After looking at this question:
Can I remotely 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 ...
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Mindstorms EV3 unable to drive two motors simultaneously
Yesterday I had the basic driving robot with two large motors, but I could not get both motors running at the same time. I had the tank control programming block, with both motors set to 50% and when ...
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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 ...
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