I love being able to hear the difference when the motors are powering the light

As Lego combat robot builders, the chain test has got to be one of the most important discoveries made in a long time. Thanks for doing that!

Huh. I'd always put chains on gears with slots facing inward without giving it much thought, assuming for some reason it'd be more structurally sound. Today I learned outward is technically better. Thanks!

I've never thought of generating electricity with Legos but now that I think about it, it's really cool

It makes sense that the chain links facing outward would perform better with increased torque loading. When the gear pitch angle pushes the chain outward, the outward facing links will not pull apart

Try to squeeze as much time out of that "Gravity Light" system as you can, maybe adding weight and using pulleys? It just feels like that concept has quite some potential. 👍

Depending on which side you point the chain, it can either be a very strong link or a failure point. I think this might be intended, considering there's other methods to link up plastic chains that are stronger (old Xerox printers, the big ones, had plastic chains, they were quite strong, but if you exceeded the breaking point, they'd snap).

It's amazing to me how attaching the light audibly slows down the RPM.

That falling weight light thing is actually so cool. I can see something like that being great for children as an alternative to night lights, so instead of having a light on constantly, the parent just clips the weight to the top and it goes down. 5 minutes may not be enough, but with a better similar system you could quite easily draw it out to 15 minutes, which should be enough to fall asleep in, or if not then just do it again. It would also work well for night time toilet trips as a temporary light source that goes off by itself.

0:41 You can really hear the power pull on the generator Slows it down a bit

The biggest difference for chain link orientation is if they are used as treads, for a small powered tank for example. If the inwards method is used, obstacles will very often cause the chain to split, while if the slots are oriented outwards, the chain will hold.

Can I just say that I love the sound that the 71427 makes when you spin it like you did at the 1-minute mark? It's very unique if you ask me.

2:54 *YEET*

That test with chain was genuinely surprising.

Комментарий в поддержку канала и ролика, а также труда лего-мастера.

That's cool. Can you set up that gravity light with a ratcheted lego chain. I can even imagine opening a closet door that pulls the chain, charges the mechanism and give you enough light for a couple of minutes. Always loving your video, thanks for making them!

2:30 This sounds like the cars did in the Lego racer games :)

I didnt even think of the differences between inward facing and outward facing ones would have. Now that I see it, of course the inward facing links do poorly against higher torque! Love your videos man, keep em going!

Nice, like it that you can hear the motor work harder when you put on the light. shows that used energy needs more power

2:40 cool beat!

If you had two high speed spinners going opposite of each other connected with a lego, could the lego tear in half?

this is awesome. I love this. More power generation idea's would be cool. Like a bunch of generators in series. Also maybe hook them up to a windmill turbine?

At 0:14 it sounded like that creepy noise from Minecraft

Love these experiments, keep em coming

This series is starting to remind me of the old mythbusters!

I bet you can build a Fusion Reactor out of Lego way faster than the scientists in france can

Fascinating! Learning some cool principles here.

Love this series!

Only thing wrong with this channel is the low amount of uploads :P Keep up the good work!

IDEA: mechanical wind mill lifts a weight, via a chain, when dropped, it powers an LED.

you are becoming a true researcher this way! nice experiments

This man’s engineering is on another level.

loving these short frequent videos!

1:22 lowering 0.9kg for 1m over 300 seconds (assuming g=9.8m/s^2) ideally generates 29mW, so with the voltage of 4.4V it would generate (maximum) 6.6mA.

I've watched every one of your videos and I don't know if I'm the only one who is highly addicted to the building sounds from your older videos? The clicking crackling and snapping is so enjoyable! Make more building videos of the older style 😎

These weekly Lego experiment upload schedule is getting more better

It would be great to demonstrate concepts like energy, power, current and voltage using LEGO motors. Thanks for another fun and interesting video.

Chain test - we never stop learning 👍

Thanks for the info, BEC. I'll make my chains slots outwards from now!

I love these requested experiments videos

Would be cool to see different variations of the gravity light

Thank you very much for doing this extensive testing regarding my question / observation of the chain links. ❤ For all who are interested in seeing more of my RC Superbike project (a fully functional RC motorcycle made out of bricks) may visit the projects' playlist: kzfaq.info/sun/PLzvdTW1ku_J92taKmm1HXZ6wYnRwD1j8y

I love that you can hear the load being added to the circuit on the first one

I love these please keep them up!!

What I would love to see is a thermic engine, like in RC cars, used with legos, with the requiered precautions regarding thermals of course. I've never seen that anywhere despite searching for it, and I'm surprised that people are not even trying.

Do a Rube Goldberg please!

Very interesting test results. Since the chain-tracks are always assembled slot inwards, this suggest to make supplementary chain drive by a slot outwards standard chain, if utilized as heavy load conveyor belt.

Wish you could do more water related experiments. I loved your submarine videos.

I loved the Lego grav light, I wonder if there was a way to make that more efficient to power something bigger?

Another great video

These videos are perfect for when you're on a lunch break.

Your videos are so relaxing and satisfying like ASMR

I'm curious. Do you dismantle all creations or are all of these are old footages for when the respective videos are out?

Can you build a flying helicopter? 😊

Incredible that you can actually hear the electrical load being put on the motor-generator. That's sick.

Thanks for the valuable info👍

Inwards vs outwards was interesting!

Can someone link the motorcycle at 1:47? Thanks

Slots outwards always, thank you for this information

Cant wait to come back in a 10 years and find that you’ve made a particle accelerator out of legos.

Would the generator damage your motor from over revving it?

how do you think. Is it possible to use Lego to get energy from the wind?

This is quite educating.

I have an actual experiment idea, what if you created a truly amphibious lego submarine (it can become a sub, a boat, or a car on the fly). I personally recommend using the Sub 2.0 design to start with.

Спасибо за видео

One of the best thing about dude is that he never takes credit for himself when he achieves something. He always respect us, the audience and his team, and he is polite in all his videos. We congratulate ourselves on this achievement more to come.

Differential gear drives would be reay neat to see!

This is so funny!

Stopping by to say I didn't know I needed this content until I binged like 7 videos lol

Actually quite useful

Gravity light idea was awesome

I never realized that legos had such POTENTIAL for energy. 😉😂🤣

Awesome idea

for a minute, the first one looked like free energy, then I remembered that voltage and amperage aren't the same thing and there is still more power being consumed by the drive motor than is being produced by the driven. Powering a light bulb demonstrated that pretty well considering how much of a load the light bulb put on the drive motor.

Love it

The end of this video is crazy!!!.. love having the answer for the chain inside or out!!!

dudes been having a nice flow of videos nowadays

the inward vs outward was interesting, and informing.

I was curious about the chain as a kid. I would link them in alternating pattern because I thought one side would be weaker than the other depending on application.

These experiment is cool 😃

always love the videos

I would like to see your entire Lego collection

Beautiful

Love this channel

"5 minutes of light" Seems like a good song title idea!

Watching this feels like watching redstone experiments

I actually increased voltage like that when I was a child and I was very proud that I invented a way to make the lego lamp much brighter than normal :D

You know how you did the big vortex bucket I think it would be super cool if you made an even larger vortex bucket and put little lego boats in it.

One of the most interesting channel on KZfaq

What a great demonstration of the physics of power generation. I love these videos; Good science, practical uncluttered demonstration, no nonsense or filler. Great!! I could watch this kind of science all day; with box of lego to hamd. The sprocket chain question is interesting too. Yes, the chain can handle more torque with the quick link hooks facing outward but to answer the question more accurately.... I suspect Lego designed them to come apart at a certain torque to prevent them from breaking. With the hooks outwards they wont be forced open by centrefugal force but they will stretch and produce slippage which will shred the gear teeth. Using a chain tensioning mechanism prevents slippage but allows more strain on the hooks which will snap or at least deform. Like I said, This video and methods are Good science, Good physics with easy to see demonstration of the facts and principles. School would have been much more fun and easier to digest with this type of experiment. Thats why im really happy about the current (2022) influx of S.T.E.M. construction kits available now at low cost and in use in schools.

Great idea to use the gravity to produce light ! 5 minutes is great you just need to have a way to bring the water up and you have a real light !

It’s amazing how we went from barely knowing how to use a circle to making fully functional machines out of a children’s toy

wow this is was so cool

Another interesting experiment would be to drive legos with miniature petrol engines.

Could be cool to build a funicular railway, uphill, turns.. heavy weight ( 1kg ) uphill, kitchen counter / stairway.. ! Or one of them Ski lifts / cabin lift

Wonderful

Nice!

Suggestion: 1. Test and measure how much Lego pneumatic pistons can pull or push on different pressure 2. Build a Lego pneumatic engine (LPE) using pneumatic pistons and power it using real compressor to test how much rpm and pressure it handles

Amazing

This man here is making energy out of legos, and I’m struggling to make a car