Building & Testing a Mini Lego Brushed Motor 

You're not getting even close to 2 amps in there, let alone 10. As the other comment already said, the amps on your power supply are just a limit. The current passing through a wire is voltage divided by resistance of the conductor, and that resistance is static, but you turn the voltage higher, which does result in higher current, but it is quite low. Higher resistance - less current, Higher voltage - more current.

7:12 The two amps are only the limit. The actual current draw is around 110 milliamps. So even if you set it to 5 amps, it would be the exact same result. It's only the voltage that makes it go faster :)

nail clippers are the best tool to cut small wires 👌 Finally I know I'm not alone

you can do brushless dc motor, no commutators, no pulsing, just dc wire running over radially in circle over a ring magnet. high current thick wire replaces many loops of small current wire. yep car battery sized heavy duty current wire. wire? make it a beam, or thick metal rod. flexible metal strip running on a split current rod works as a commutator too. the strip friction makes contact with the spinner. thats wire edm cutter in action. lol. also friction will melt the wire.

the perfect video to make kids understand how motors work. they never get the complicated metal pieces in normal motors. lego is perfect for this

Great to see that you are expanding an making motors now!

This on top of a lego train would look amazing I think!

Your rotor with 3 coils is good. When you wrap the coils, use a little super glue to secure them in place. Also...MORE magnets! :)

now make brushless

You had to get the first laugh when is in the Lego figure jump from the voltage😂😂😂

I think you may be able to generate power with that motor, just turn the shaft and the magnet will induce a current in the wires.

Oh we just studied this type of motors in physics! Nice coïncidence, its interesting seeing what it looks like in real!

Awesome build.

Seeing the tank makes me think of just how well a lego tank would work if it had two to four of those motors working together to spin the tracks, great vid!

Wow, this is such an amazing build! I'm so impressed with your creativity and skill. Thank you for sharing your work with us!

This is awesome! Nice work!

Great work! inspiring projects

You know, could've made the commutator with some thicker wires. You're not burning out the motor, you're snapping the very weak contacts due to abrasion. And raising the current limit on your power supply does not change the amount the motor draws. Also, why aren't you using another magnet? The coil that goes to the top doesn't do anything in your design. Could've made only one brush on the one side for higher efficiency, the other is just wasting power

YES NEW VIDEO this one was earlier than the last one but still best lego builder ever

Is bro just made diy power functions 😂 This is going to create an entire new field of lego creations And that is awesome

I'm gonna take a drink every time Jamie says motor.

You need use electrical steel plates as a stator to increase torque and reduce heat. Also you might add 3 more coils and 4 magnets

Note: The gauge of the wire has a current rating associated with it. The max current a 22AWG wire can handle is slightly less than 1A.

always making useful lego machines

New sub I love your creativity

I Love your content to my heart !! Thank you

You do it very carefully and patiently

Chuck some cap ends or a rubber band around your wire loops to keep them in place a little better.

I love this!

Would be interesting to compare the efficiency of levers, gears, chains, belts, and a generator/motor set to transmit power over long distances.

Really cool

I love you're vids make more like this pls

Use moderately thin wires but thicker commutators... You can actually draw the 10 amps to its reasonable potential and also gain some structural integrity...

"2 amps" "10 amps" Funny because you never even pass 1 amps 😂

Wow great job 👏:)

When it releases it would be cool to turn the new radio set into a real transistor radio (not just a speaker inside, make the dial actually tune an analog radio inside). You can get modern transistor radio kits online (something actually old school, not just a single IC on a board).

You should've made a guard on the rotors to keep the wire from flying off.

Dang I wish I could build cool stuff with Lego. If only I’d have Lego to start with.

Would be cool to see the three armature rotor with coils that are properly fixed. You used pieces with smooth surfaces and no lip on the outside at all, the wires just slipped away.

wow cool motor

There is no way you didn't realize how many words rhyme with motor in this video.

Nice one!

you should get the Nobel Prize

You should use metal lego pieces so the cooper wire magnetic field is echanced

hum... so that's a "brush". I aways wandered what was the part that was "missing" in a brushless motor. Cool!

Its can be cool for a lego electrical clocks

Cool vid btw

You said you were going to make a motor and you did. Nice

I would have made the axles mounted on wheel hubs. Is stronger that way.

make the sides of what your making your coils on flared so your coils dont keep flying off

the links for the fan at the 3:49 point of the video look to be reinforced with some light weight parts so hey maybe that's a cheap fan you could use for summer.

perfect

After watching this, I realized a much more efficient and powerful design would use a little bit of logic, with a single SR latch. Instead of running the entire power through that tiny brush, use a voltage level signal with a series resistor to turn on and off an SR latch with an H bridge powering the motor. This will also prevent the motor from needing a kick-start. No more sparks, constant power, and avoids the unnecessary friction from large brushes

Hooks that thing up to the absolute most power you can give it

Make an air-raid siren build of lego

Make a 3D printer out of Lego 😀

Electromagnets for the stators would be cool

I love your videos but can you upload more Love you videos❤❤

I wonder if a Joule theif circuit would be handy here.

What if u divided each windings of a 100 lopes in the 5 lops of 20 so that you still have 100 lopes per each side but twist the 5 wires to make a thicker armature wire

I don't know why, but it seems like wery steampunk looking thing, while it's fully electric, it is an interesting effect of copper wire

Seems to me like you're just building a homemade motor, and the fact you're using Lego for the mechanical parts doesn't really much affect it's properties except for that plastic on plastic has relatively high friction compared to some of the other options out there. That said, good first concept. I'd suggest having more than just one string of wire where the brushes touch (loop it back and forth a dozen or so times?) since that seems to be a weakpoint, also might look into redesigning your "brushes" as well. As in... use more wires. Like in an actual brush. And then the next step would be completely redesigning that part of the assembly so you can put a little more constant force on the brushes, make the contact area bigger by using aluminium foil attached to a 'barrel'... those sorts of things. Looking forward to what you do next.

0:05 This copper wire... To hold... ME?

3:50 *_break_* "wobble wobble"

What if you tied the windings to the rotor to keep them from falling off?

i must still be half asleep because it took me till halfway through the video to realize "wait this means i never needed lego/knex branded engines? i could have just MADE THEM?!" before i remember my electric & tech classes and how i already knew all of this and "WHY DIDN"T I DO THIS?!"

Maybe add some steel core in rotor?

Now time to actually make these things operational for over 2 minutes

yo ushould try to make a pump powered generator using gear ratios and compresed air!!!!

awesome

could use a ball bearing to get rid off the brushes

hey, where did you get that copper wire, im looking for something like that?

8:10 this sounds like my 1.9tdi car😂

Hey, just wandering what magnet did you use here and where could I could get one like it?

Where did you get the copper wires? Please give links

7:12 it was only pulling 110 milliamps?

Did u use a nail clipper to cut that wire

Add more magnets!!!!

5:00 look at the stop watch

cute! brushless time

I have tried this myself, well the coil is generating some magnetic field, but it dont work for me. And i think it would run, but i dont know what i did wrong.

How do you increase the torque of the motor?

We got electric lego Tank before GTA VI

I'm starting to resent all my Lego being sold in a garage sale.

make a brushless one

Now try to do comutator from a aluminum tape and see how much more efficient it is.

The power supply has the possibility to give it 10 amps, but the motor only use a fraction of it. It never got past 1A, only the last moment before failing 1,24A.

Not sure what a 3 pole rotor could do with just DC. Your poles would just be North, South, then North again. You need an even number of poles.

Bro said motor 69,420 times

The amps does nothing if the voltage is low or the cables are small

what thickness of the copper wire you use? oh and I love your comment❤❤❤

3 plane to auto start to 1.5v power and 3v power supply and start better circuit 🙂🙂🙂

Add more permanent magnets, arms, and phases.

PUT ANOTHER MAGNET ON TOP OR BUILD A 120° SPACED MAGNET STATOR WITH 3 COIL ROTOR TO MAXIMIZE EFFICIENCY!!! CMON I WANT A LEGO TANK POWERED BY A HOMEMADE ELETRIC MOTOR

Car battery!!!!🤣😂

Power supply on the tank

Earned a sub..now we pray for the upload schedule

Kinda feel like a brushless build would work better

try taking a shot everytime he aays rotor or motor

He met his quota of , stator, motor and rotar