Driving Lego Vehicles Up A Slippery Slope

[@generalgabrielsatori]

From 4 wheels to 8 wheels to tracks to a spider robot and finally to a literal abomination, that’s just how engineering is basically. Great video.

[@CatWithAOpinion]

but when will it over-engineer itself into a crab?

[@thesdfox]

@@CatWithAOpinionI don’t enjoy the fact I get this.

[@sevvvich8118]

​@@CatWithAOpinionWhen ROBOTS! by Valve Studio Orchestra will play.

[@jackb7685]

He's gotta reach the singularity eventually

[@ProCoder119x]

This is better than engerinering we learn in "*indian*" colleges

[@DieselJS]

after seeing this, i'd definitely be interested in a truck and trailer creation, think 18 wheeler type, with a gearbox, trying to see how much weight it can pull up slopes, down slopes, across terrain, etc...

[@The_Bliz]

A LEGO tractor pull! That sounds awesome.

[@christianbro2]

That's a great idea, starting from a tiny truck up to those special transport ones.

[@taylorschoppe9656]

​@The_Bliz yooo I did that once it was awsome!

[@breakthecycle5238]

As a trucker who runs up 70 from Denver to grand junction year round, I would agree.

[@TakumisBizarreRacingAdventure]

*YES YES YES* I love seeing machines of big power. Even in miniature form.

[@emel6423]

i think generally vehicles that get through ice typically generate friction by digging *into* the ice, something that you can't exactly do with soapy wet glass

[@Oglokoog]

diamond tipped legs

[@radicalfishstickstm8563]

Or Lego wheels

[@fridaycaliforniaa236]

Actually, snow tires create friction inside their rubber (by being squished when rolling), and this friction creates warmth. This warm rubber melts snow a little and the tire gets some grip.

[@zephyr1181]

Maybe a very sophisticated suction cup would work well on wet glass. Not on dry glass with dirt, though. Just ask my dashcam.

[@rsoul7282]

⁠@@fridaycaliforniaa236that’s not true at all, melting the snow would create water, which would cause the vehicle to lose traction. They actually operate by having a more open tread pattern which digs in and grips to the snow.

[@acalthu]

Those studs on the tracks ensure there's even less of a contact patch than even 4 tires.

[@rollastudent]

I thought maybe they were some kind of rubber, I don’t think the plastic track would have enough grip on glass no matter the contact area

[@anuran_anna]

To be fair, frictional force is independent of surface area; F is just force (normal to the surface) times the friction coefficient. A flatter surface like the track offered could increase the normal force (although it’s likely lighter, and I think you’re right that it was a step back) so it’s not an entirely unreasonable move. If it were actually ice, the tracks would be able to dig into the surface and generate non-frictional force. Obviously though that couldn’t happen here so it was not as effective as even the wheels.

[@inniyewtesfaw2003]

​@@anuran_annagrip in tires is much more complex than normal force and friction coefficient. that's a simplified formula that doesn't account for the fact that the friction coefficient for rubber changes with normal force, rhat rubber deflects under force and isnt perfectly rigid, etc.

[@GraveUypo]

@@anuran_anna that's just on perfectly smooth surfaces. any texture and more surface area will increase grip

[@anuran_anna]

@@GraveUypo to be totally fair, it doesn’t get much more perfectly smooth than a sheet of glass ;)

[@SireSireSire]

fan walker has to be the most diabolical creation ive ever seen... but I love it

[@Ulto]

The desk slam to deconstruction editing was outstanding. Really clever production and great seeing the build context and you go through these iterations. Always really impressed with how you record all of this.

[@chubbymann]

Jesus loves you he died for everyone's sins, he is coming soon, if you want to receive Jesus as the lord and savior of your life say this and believe in your heart, say: Jesus today I accept you as the lord of my life come in my life I believe that you are the Son of GOD and that you died for my sins and that you rose up on the third day, thank you that I am now a child of GOD and that my sins are forgiven amen.

[@TrickerAndy]

​@@chubbymannhail satan

[@TrickerAndy]

Hail Satan​@RepentandbelieveinJesusChrist5

[@zogworth]

If you like that sort of thing you should watch You Suck at Cooking

[@aidennewman3436]

Why so many bots in the comment section

[@drmajalis1583]

Love how we ended up building an AT-TE part way through

[@callumwright7459]

And ended on an AT-OT (with fan assistance... But shush)

[@jopomeister]

I am a huge fan of the transition from 8 wheeler to tracks, great little collection of cuts

[@jacobsilva8978]

When the spider is OP and just doing 180 on the way down. *chefs kiss* lol

[@Ashishimura]

Hi, only a consideration. The slope that you measure isn't in % but in degrees. The 45 deg slope is a 100% slope because for every meter forward you make a meter in height, so the ratio of vertical/horizontal movement is 100%.

[@domosautomotive1929]

I noticed that too

[@spacebassist]

@RepentandbelieveinJesusChrist5 forgive me lord for this trespass (i watch lego engineering videos)

[@Nom8d]

​​@RepentandbelieveinJesusChrist5the only virgin in here is you

[@fiftheyecanopener]

​@RepentandbelieveinJesusChrist5no proof of your god

[@oldhorn420]

​@RepentandbelieveinJesusChrist5 mate I know I love Jesus but this ain't related

[@asgerthorndalkofod2366]

That ending was actually hilarious. I do wonder however how much soapy water the fabric absorbed and if that made it easier for it.

[@Hellomrmem]

That definitely happened but I wonder if that would happen with real ice too

[@fallenpastabean804]

I like how the more difficult the terrain becomes to traverse, the more animal-like (or atleast adaptations of methods that animals use for motion) the features of the machine becomes.

[@lukeGGlee]

the last one had a propeller you dont see that in animals

[@fallenpastabean804]

@@lukeGGlee "(or atleast adaptations of methods that animals use for motion)" meaning usage of the displacement of air. So since you don't yet know, birds actually use their wings to displace air in order to move to the opposite direction that the air was displaced to. This happens to be how "air screws" or propellers work. In basic, easy to understand terms, biomimicry is when design was inspired by the biomechanical function/features of biological life.

[@ericsnoek728]

Facts

[@Tripp393]

Flying squirrels have propellers. You didn’t know that did you

[@Raii_Chu]

@@lukeGGleeHippos spin their tail around when they shit, propelling or shooting it into random directions. So I mean, technically propellors are in the natural kingdom

[@Noobprokermit]

Wake up honey, brick technology just uploaded a new video

[@palmossi]

It’s the middle of the day

[@CraftingCat_IX]

Depends on the timezone

[@Frank_wow]

Yes

[@TravisConnors]

I’m awake

[@code96roblox]

@@palmossiyou assume people don’t sleep in the middle of the day?

[@Dorench]

When dealing with slippery surface, lots of little contact patches are better than fewer larger patches. The larger fabric feet worked because fabric is woven and therefore not flat so it has loads of tiny high spots which greatly increase the effective surface area.

[@InsanePigeon]

I thought it was just because the fabric was absorbing the water and soap...

[@foicream5535]

it just mostly absorbed it and made it a bit sticky

[@junkingm]

I love the repeating structure of these videos (problem > failure > new idea > success > new problem). Ingenious videos. Great work!

[@kamoroso94]

Iterative development.

[@christianschweda2530]

The subtle humor and the little details are insanely good, love the editing. Awesome builds!

[@rickjames5998]

where's the humor?

[@jannebengtsson7338]

You could have added fabric to the tires aswell. It's a common thing here on in winter if you het stick

[@squidwardo7074]

But that is because you can dig into snow and ice, you can't do that with glass

[@jannebengtsson7338]

@@squidwardo7074 it also changes the friction coefficient between the tire and the underlying surface as long as it has higher friction towards the surface. And since the fabric will somewhat stick to the wet glass it gives better traction. Kind of like if your standing on a wet floor it's slippery but if you place a towel over it you won't slip

[@nopenope8418]

Nice video, as always! Now, having to drive over ice and snow for about four months a year, I can tell you of a few fallacies that people spread that will absolutely put you in more trouble than will solve: 1. Pedal to the metal. Spinning your wheels and putting as much power as possible into the wheels will only worsen the situation. By going into dynamic friction (skidding) instead of static friction, you lower the actual amount of friction between the wheels and the ground. Thus the best way to get traction is to get the wheels spinning as slow as possible with the least amount of torque to the wheels. This can be achieved by shifting up a gear or two and slowly but not completely releasing the clutch with the engine at idle. Yes this is hard on the engine and gears but will give the best result. (sorry automatic car users, that is one big plus on the manual transmission side) 2. Being stubborn. If you are skidding in place, you will only dig yourself deeper into the hole, literally. If you start skidding, stop trying to force it right away. Get out of the car and look at the terrain and environment to find possible ways to help yourself. Oftentimes going in reverse will help as there is more weight on the front wheels and they will tend to dig into the road when backing up rather than lift slightly when going forward. If you can get some movement but immediately after start skidding, trying rapidly switching between forward and reverse to "rock" the car back and forth, sometimes you will be able to get out this way. If the terrain has a slope, try going the same direction as the slope, this will help. Lastly, if you have a passenger, friend or someone that can help, get them pushing, the sole of their boots has almost if not more area of traction as two wheels of your car and even a few dozen kilos of human muscle pushing one way or another can change everything. 3. Ignoring tools. If you do have to drive in a country that has icing conditions, even on rare occasions, if is unwise to not carry the appropriate tools during that time of the year.Chains, nailed tires and the very simple traction aids (metal ones are MUCH better than plastic) as well as a short shovel (even a trench shovel) and a small bag of gravel or gravel/salt mix may make you car a few kilos heavier during winter, but two or three dollars more on your gasoline bill each month may save you hundreds in time lost, stress and towing. Finally if you try everything and are still stuck, it is by no mean shameful to admit defeat. Don't forget that many people die each year because of bad road conditions and if getting your car out of it's parking spot is already a chore, think about your own safety and the road ahead first. Missing one day of work because it would be dangerous to go is better than not making it at all. Now i'm not perfect by any means but i hope this might help a few people.

[@JanusMirith]

As an Australian who lives just shy of the tropics the idea of driving in icy conditions is both alien and terrifying

[@rh3ttj]

@@JanusMirith Its usually not too bad once you get used to it, the biggest danger is other people trying to drive like its not icy.

[@anthonyhovens7488]

Cool, im not the only one that felt pain watching him just slap on a bigger motor and assuming it would work...

[@jdmjesus6103]

Something I'd like to add, but it's not for the noobs: sometimes it's better to pull the abs fuse. Generally not a good idea but in some conditions you can stop a lot better without abs than with it. A locked wheel in snow creates a lump of snow in front of the wheel, providing greater traction. Don't do this if you don't know what you're doing though, you might kill someone.

[@JanusMirith]

​@@rh3ttjI figured that might be the case, but I always have used driving in icy conditions as an example of something that I have no idea about but it's common knowledge for a local. I use it when I think of a skill that I know that seems like everyone should know (like how to swim), it reminds me that there is lots I don't know just because I am not having to deal with it day to day

[@OscarDabo-g6z]

He turned a car into a cleaning machine

[@АристофанМитяев]

Когда у конструкции ещё были колеса, то можно было на задние надеть гусеницы, чтобы получить большую площадь сцепления. Добавлено- Шагоход выглядит впечатляюще. Отличное решеник

[@Athenor]

Could the fabric be absorbing the soapy water, causing the pads to press against the glass directly? The answer to walking on snow and ice is definitely spreading out your point of contact, but I really wonder how this would be different with true ice.

[@StuffGameStuff]

I asked the same thing "The fabric is absorbing the water, where as ice isnt water its a solid."

[@YagoKatzen]

​​@@StuffGameStuffice isn't slippery, it's very abrasive. But because of pressure it slightly melts and there is a thin line of water that is slippery

[@rainerbe]

@@YagoKatzen That's not true. Ice is slippery even to dogs and cats, which don't exert nearly enough pressure to melt ice. The real reason has nothing to do with pressure and was only discovered relatively recently. Basically the top layer of water molecules don't form a neat lattice and only bond to a couple of their neighbors. This results in a liquid-like substance that is only a couple of molecules thick on the surface of the ice. Also abrasiveness and friction are two different things.

[@nologin5375]

I don't think modelling ice using soap on glass is all that realistic regardless of approach, but it is fun

[@TKFeather]

On the other hand, spikes work well to add grip on ice, but would have no chance here with glass. The simulated ice is not comparable, but both are a fun challenge

[@vladvulcan]

This level of construction genius is insane! I love it!

[@Thunderbirdmovies]

Part of what makes tracks work on a slick surface has gotta be the weight, combined with the ability to bite into the surface. There’s just no way to bite into the glass.

[@kezgoingdumb]

Seriously, the sound of "one must imagine Sisyphus happy" keeps vibrated my mind while watching this lol

[@WingsTheRobloxYT]

Same

[@thatfishingnoob]

Love how it starts as a normal, every day driving experience and evolves to what can I build so it clears this challenge lol

[@matthewc4503]

The sound effects are subtle but very awesome (and the builds are cool as always). Keep up the good work!

[@jakefromstatefarm145]

That crawling thing is super cool 👍

[@BritishTrainspotting]

I believe the technical term is a walker.

[@LordDragox412]

Big Brain Walker: If I soak up all the soapy water with my front legs, my back legs can have all the traction they need by walking on a dry surface! Next step, suction cup feet to beat the 90 degree incline!

[@boney2982]

@@LordDragox412 i honestly thought thats where this video was going once the walker was introduced although the unholy fusion dance of the fan-walker was funny

[@jakefromstatefarm145]

@@BritishTrainspottingtrue

[@jacobdad2742]

I gotta say, this video was infinitely more entertaining and educational than i first thought it would be.

[@Brick7Idea]

The process of improving the car is really interesting and very professional. Thanks for the video.

[@niiice8622]

3:28 Damn, no reason to obliterate you're creation like that😧

[@aserta]

With the little nubbins on the tracks, the actual surface area is smaller than for the 4x4 or the 8x8. The rubber is just too small to be pliable, and makes only a tiny little prick of contact. IMO, the track would work if you'd use something that's as wide as the track bit itself. And it would need to be a pliable rubber. IF you used the wheel (i'm assuming they're wheel weights) weights then i think you'd be allowed to get 3M red sticky tape, stick the faces of the track links and then use a acetone soaked wipe to wipe off the glue, thus leaving that sticky rubber middle core they use exposed and very sticky. Should work with that. If not, then ... it's probably just too slippy. As is, it doesn't similar snow, more like the glass like surface of an iced up road... and on those, even the best tires fail. You'd have to get into nail tires or chains to get traction, but you can't simulate that with this experiment, because there's nothing on the glass to bite into.

[@Mike-oz4cv]

The glass is too hard and smooth for wider or softer rubber to make a difference.

[@joshuaPurushothaman_]

Didn't think the editing could get any better, but this one's amazing! Loved the little breakaway segments. :)

[@JUMP5C4R3GH1N1]

0:08 add rear weight 0:22 diff locker 0:46 add more weight 1:06 Powered Steering 1:48 Gearing up 1:58 Truck Wheels 2:24 Add Rear Wheels 2:51 New Motor 3:05 Add Front Wheels 3:17 Weight 3:28 Demolition 3:34 Snow Tracks 4:18 Tank Tracks 4:37 Weight 4:41 Crawler 5:27 Fabric 6:21 More Legs 6:36 Better Grip 7:04 Wind Car 7:21 Add Another Wind Turbine 7:31 Wind Crawler

[@guy4036]

Love how this basically proves ATTEs can climb stuff

[@Dwaynefreeman]

4:59 Illegal building techniques!

[@dingo-gorditas]

0:02 i like how it actually behaves like an open diff, one wheel peel n' all

[@justinc2633]

thats because it is an open diff

[@coastaku1954]

You've never had many lego sets, have you?

[@williamlee7589]

Brilliant! Would love a part 2 with 60+ slopes... maybe suction cups? 😀

[@jazazzaza]

this, suction cups pls

[@timmothycopeland4866]

😅😂

[@BenjaminWhittaker-x9y]

this is my second fave video ever!!!!!!!!! The first is sinking lego ships!!!!!!!!!!!

[@iamicy.]

Bro went from car, to semi, to literal tank, to just an absolute unit of a robot. Respect.

[@SaperPl1]

I think this test might be flawed at few stages - when you put dry tires, you gain grip and once they soak in, they slip anyway, so there's a increased traction that shouldn't be part of the experiment.

[@nicklachen5060]

Most certainly. Not the same test.

[@Mike-oz4cv]

This. I think it’s the only reason why adding more tyres helped.

[@mishael1339]

And over time the soapy water evaporates and gets spread out and drip away, so the surface itself isn't a constant.

[@richardjulien1329]

4:12 this moment really made me think of a Gaston Lagaffe gag with his car XD

[@fridaycaliforniaa236]

Actually, on ice you would have to decrease the area of the contacts between the "feet" and the ice. With more weight applied on a smaller surface (like the nails inside ice tires), you could theorically bite into the ice and have a very nice grip.

[@jahagkagau6061]

Yeah but this is slippery glass ain't it

[@_Stormfather]

​@@jahagkagau6061 yes but he said in the beginning it was meant to simulate ice

[@beratay5347]

It's great that you show your creativity every time with a logical idea, man.

[@danielmartin9057]

Putting rubber bands around the plastic tracks prob would’ve helped

[@BloxBitzYT]

Me on my way into my room after a whole day of social interaction 5:53

[@Ari-8449]

I allot you a few exhales out the nose of laughter

[@xxfreedomxx9479]

😂😂😂😂

[@timmothycopeland4866]

😅😂😂😅

[@Captain-Bricks]

honestly I didn’t even read the title I just saw that it was a brick technology video and clicked on it

[@mitoplas2367]

7:55 bro NASA is finding you

[@hibooID]

This is soo good to cure my madness

[@masonscasualaccount2726]

Man, watching these lego videos is really addictive, I just watch one and if I’m not careful it’s a… well then

[@aryanhussainkhan154]

Always a good day when Brick Technology uploads🥰

[@hoodbaxter]

Really cool idea and execution

[@JTCF]

3:47 This reminded me of a snow chase scene from Taxi 3

[@Bogdanovici-real]

Yes yes, I remember it

[@zangotking5]

I absolutely love this! Such a masterpiece! That huge creation at the end!! I live seeing the evolution from vehicle to vehicle ❤

[@abdulmateenahmed4339]

Casually pulls a sick Lego burnout at 0:50

[@LitsmanTheOne]

Really Nice Work!! You could try as a next upgrade to the legged one to put suction pads with pneumatics! synchronized when leg down to suck the ground and release when leg up.

[@LitsmanTheOne]

...Or maybe try custom pointy soft cones. The pointy top facing downwards to the ground and soft like thick balloon type that keeps the shape (hollow silicone ones?). And not sealed so it may suck the ground on its own. I imagine that when the leg presses down the pointy nose will like to deform inwards trying to make a tiny vacum cavity.

[@Mr.Engine993]

That would be amazing. I think that with one of those, you'd be able to drive up a 90 degree uphill

[@DeMoniserer]

7:31 - It will not affect result of experiment, but the fan blades on right fan were installed in reverse. Just compare to left fan where it was done correct

[@micahboswell6672]

I love how much you go back to the drawing board and aren't afraid to start over.

[@DrRipper19]

The part with you pounding the ground with your fist in rage like a cruel disappointed god, causing the vehicle to shatter apart, was low key terrifying

[@Vahlee-A]

Oh my god, I could listen to these clicks all day over the gun sounds they make us listen to.

[@Snookers_]

It's too often a misunderstanding that tracks inherently have increased traction vs wheels. An increased contact area doesn't actually increase friction - this video did a good job of demonstrating that. Tracks' biggest benefit (IMO) is that their increased contact area prevents them from sinking into loose substrates such as snow.

[@sustomusickillsyoutube]

when the vehicle slowly slid backwards in defeat, I felt that

[@squeaksquawk4255]

All slope climbers eventually become helicopters when optimised enough.

[@zonnetjeschijnt]

Superb video!! I have some suggestions to try 😉: - Adding fabric or soft rubber to caterpillar track - monster balloon tires where you can play with the tire pressure (less pressure = more surface) - making the vehicle lighter with helium balloons 🎈 - ways to more GRADUALLY increase the speed from standstill (find the point where you exceed the roll friction) - spikes - adding a horizontal part to the track where the vehicle can build up momentum

[@bigheverly]

Your creative problem solving abilities are off the charts! This is also all I watch while hopped on the giggle bush now lol 😵‍💫

[@bigheverly]

I also couldn’t figure out what the final iteration looks like. Google “Duck Amuck”, its a looney tunes character

[@ytaltacc8008]

If you made the blades spin in opposite directions, maybe it would have generated enough lift to climb the ramp

[@Qpwrtm]

That wouldn’t change the thrust

[@ytaltacc8008]

@Qpwrtm it does change thrust. From wikipedia, about contra-rotating blades: Contra-rotating propellers have been found to be between 6% and 16% more efficient than normal propellers.[4]

[@ytaltacc8008]

@Qpwrtm As the air is already rotating about the center of the first fan (like a screw), the second blade requires a higher wing angle to maintain an effective angle of attack and lift. However, high wing angles can reduce lift, as the propeller starts to line up with the direction of movement, and the component of lift parallel to the direction of movement reduces (the reason why propellers arent very efficient at high velocities. Contra-rotating propellers is a solution. A heavy solution, but one that wouldnt add any weight to his design, as he already had 2 independent propellers.

[@CommentPositionInformer]

​@@ytaltacc8008 The blades seemed to be roughly aligned between the two propellers. Would off-setting one of them by 30º or so impact the diminishing returns of the screw effect?

[@MultiPurposeReviewer]

That was cool as hell! I'm seriously impressed by your creativity and engineering. Those last few vehicles were otherworldly. And this just goes to show the importance of having the right tires/shoes. You can have all the torque, tires, and weight in the world; if your contact patch does not have sufficient grip, you will not go anywhere.

[@alpine488]

good way to clean your lego wheels

[@WingsTheRobloxYT]

Yep

[@Zappygunshot]

Grip vs slip is always a matter of maximising surface area contact. Gecko feet aren't suction cups, but are lots and lots of thin little flaps which are covered in smaller flaps which are covered in even tinier flaps down to the microscopic levels. Each of those is able to shape itself to match the surface it's touching as much as possible, resulting in a huge degree of contact. As a result of this principle, wheels are by definition not very good candidates, as a circle has a minimal surface contact; whereas tracks and steppy feet are much more suitable, as evidenced by the video. In particular, the dense fibrous structure of the cloth is able to deform and move much of the soapy water out of the way so it can contact more of the glass, providing more grip.

[@disguisedpuppy]

"one must imagine Sisyphus happy" wrote Albert Camus in 1942.

[@zhenzhenzhang]

the resilience this guy demonstrated is astounding

[@LegoBricks_]

It's my wish to have a subscriber count that rivals the popularity of this channel.

[@Тимур-ь8м4т]

bad piggies island of dream IRL

[@Ohriyion]

OOh man, the ending was epic! Thanks!

[@euqat]

That last creation was worth all the checkmarks in the world

[@sebbes333]

*@Brick Technology* 5:20 What about suction-cup feets? :D

[@tplyt12]

6:30 SpiderMan your half-brother's here

[@KermeqProductions634]

4:00 *intense gau-8 noises*

[@nopenope5042]

This guy should like, be an engineer or sumn.

[@dsp4392]

Love the cloth feet outside of the fact that they're kinda cheating. Would be nice to see if cloth tracks would work too!

[@Yurie1029]

4:30 .. fck it. Get that Tank

[@mesmetron_]

5:40 looks almost like the AT-TE walker from star wars the clone wars :D

[@Valveiscool.]

It almost looks like a MG excelsus from metal gear rising:reveagence

[@jamesmarks8099]

Its a slippery slope.

[@pratikchauhan6785]

Evolution of cars to insects and then to drones....😊

[@breadboardrookie3762]

U should continue with ur air engine videos

[@sabihaahmed813]

2:34 starting to become a truck

[@b0xbrain]

6:21 _small enemy spider_ *BYEW BYEW B-B-B-B-B-B-B-B BYEW BYEW*

[@xxfreedomxx9479]

😂😂😂

[@Kreez127]

I would have loved to see the 8 legged beast have suction cups for feet lol

[@The_Pariah]

All the stuff on Netflix, Hulu, etc... and yet this is infinitely more entertaining. What does that tell you, Brick Technology?

[@cheeseburgernetwork]

1:41 "help"

[@sebbes333]

*@Brick Technology* 5:33 One of the problems is that the legs isn't "paired" correctly, you should offset them. Currently they are "paired": 4 & 2 (contact with surface) per cycle. it means it has great grip when 4 legs have contact, but slipps when 2 legs have contact. You DO want them to be paired: 3 & 3 (zig-zag), eg: right 1 & 3 + left 2 for one step, then Left 1 & 3 + Right 2, per cycle. (it looks like it changes "pairing" over time, that's problematic too)

[@NowakP]

5:12 METAL GEAR?!

[@Ibloop]

Robotics

[@Valveiscool.]

*insert metal gear rising- collective consciousness*

[@foxtrotwhisky4061]

Amazing video! You’re very creative with Lego and also amazing at engineering, drive mechanisms and such.. Fabric works well on wet/slippy surfaces.. already used on snow socks for cars.. also rock climbers back in the 50s sometimes used to ditch their boots and climb in socks for steep technical climbing if the rock was wet. I wonder if the wheels or tracks would have worked better with fabric covering them?

[@guilhermebraga9646]

When I was little I loved playing with LEGO, your videos are making me regain that passion 😂

[@radwoc]

6:44 stepping machine is cheating, because it is cleaning soap and water

[@kassiemartinez57]

How is that cheating?

[@dwightmanne]

Soap and water is continually being added

[@egorik152rus]

0:02 deja vu

[@SAMMY_SKADAH]

1:26 what's the physics here?

[@Wutsizbukkit]

What do you mean?

[@AverageJoePsychology]

For the first time in awhile I’m asking myself “how did I get here?” And it’s a good feeling, reminds me of the good ol days on watching KZbin back in high school a decade ago

[@vedantkhadke8274]

This series is getting better day by day 😀😀

[@aggelosged-nk4pi]

3:38 i think i wet my pants

[@darcyfunk]

Great builds & vids! Static friction is greater than kinetic friction - better traction when tires are not skidding!

[@carlwessbo6658]

That was really cool 3:27