CVT from LEGO with explanation, most simple LEGO CVT

Ғылым және технология

Continuous variable transmission gear made of LEGO parts. Step by step from idea to real working CVT. Used in simple roundabout. This is most simple CVT made of LEGO parts. No slipping machine, high friction. Educational video to explain principles of CVT, how it works. The original idea of ball based CVT was invented by Leonardo Da Vinci and simmilar design from lego bricks was presented by Lego Technic Mastery channel. But there was no explanation of basic principles of this awesome mechanism.

Пікірлер: 849

  • @DaxtonAnderson
    @DaxtonAnderson3 жыл бұрын

    A new easily broken CVT??? * *Nissan wants to know your location* *

  • @xethlorien4736

    @xethlorien4736

    3 жыл бұрын

    I learned of this about 6 months after I bought a sentra... i'm hoping i get lucky

  • @DaxtonAnderson

    @DaxtonAnderson

    3 жыл бұрын

    @@xethlorien4736 Just don't ever floor it, ideally keep it under 4000rpm while accelerating, EVERY time you get an oil change get them to check your trans oil. If you've got a U-Pull near you I'd go get a spare transmission and keep it in the garage for the day you need it. Mechanics love to rip off Nissan owners knowing they're desperate, going in with a spare trans will save you hundreds if not thousands.

  • @absolarix

    @absolarix

    3 жыл бұрын

    @@DaxtonAnderson This is some pretty good advice right here.

  • @camouflagecamaro99

    @camouflagecamaro99

    3 жыл бұрын

    @@xethlorien4736 iirc there is a big class action lawsuit against nissan and their cvt's you should see if you're eligible for compensation

  • @Dazdigo

    @Dazdigo

    3 жыл бұрын

    The NuVinci Bicycle CVT video shows the same concept. I am surprised this version of CVT isn't being more used in vehicles since I can see it being more reliable than the belt version.

  • @UmUs
    @UmUs3 жыл бұрын

    I love the fact that there are no limits for what we can make with legos

  • @vincentrobinette1507

    @vincentrobinette1507

    3 жыл бұрын

    It truly is amazing, what we, as adults, can learn from playing with "kid's toys".

  • @anandareisya2396

    @anandareisya2396

    3 жыл бұрын

    Can make child?

  • @OswaldoRodriguez

    @OswaldoRodriguez

    3 жыл бұрын

    The real question remaining "is the red ball a Lego part ? " (Ok, I admit I'm interested in testing it)

  • @AlbertoDsign

    @AlbertoDsign

    3 жыл бұрын

    @@OswaldoRodriguez Yes, it is! Lego technic ball! www.bricklink.com/v2/catalog/catalogitem.page?P=32474#T=C

  • @andreungerer3531

    @andreungerer3531

    3 жыл бұрын

    Lego stays Lego.

  • @wasuuu
    @wasuuu3 жыл бұрын

    Why isn't this video more popular? This is really high quality stuff

  • @ferdoreznik

    @ferdoreznik

    3 жыл бұрын

    I am new on youtube and I have only few subscribers.

  • @Jesus_Christ_loves_you_alot

    @Jesus_Christ_loves_you_alot

    3 жыл бұрын

    Exactly!

  • @castortoutnu

    @castortoutnu

    3 жыл бұрын

    Probably fewer people in the world than you think are actively looking for Lego CVT transmission designs.

  • @enchantedspider8842

    @enchantedspider8842

    3 жыл бұрын

    @@ferdoreznik dont worry, you just got +1 in my person, and im sure many more will follow

  • @dancho0012

    @dancho0012

    3 жыл бұрын

    @@ferdoreznik keep it up and you'll blow pretty soon

  • @kosztaz87
    @kosztaz873 жыл бұрын

    I have had a Nuvinci CVT bike hub for years now, and this is the first time I actually understand how it works. I knew it had balls and they somehow manipulated the transmission, but I needed to see this vid to finally put things together in my brain. Thank you so much for this highly educational video!

  • @Ed.R

    @Ed.R

    3 жыл бұрын

    I have NuVinci hubs on my bikes to, in fact I'm rather obsessed with them. This video is a rather good representation of how one works.

  • @DaxtonAnderson
    @DaxtonAnderson3 жыл бұрын

    1:31 here you see what a Manual CVT would look like, if a company ever made such a thing. A lever in the cab controlling the gear ratio!

  • @rossbrumby1957

    @rossbrumby1957

    3 жыл бұрын

    You can get that in a rear hub for pushbikes, called the Nuvinci cvt. Has a twist grip for ratio changes and you can change ratios under full load or stationary without any issue unlike derailleur gears.

  • @michaelbuckers

    @michaelbuckers

    3 жыл бұрын

    @@rossbrumby1957 Unlike chain & derailer system it also seriously suffers from efficiency loss, and when you're the one providing power even small loss is a big deal. It's why nobody actually uses anything other than chain & derailers, which are upwards of 99% efficient.

  • @Ed.R

    @Ed.R

    3 жыл бұрын

    @@michaelbuckers I've used NuVinci hubs on my bikes for 8 years now, efficiency is perfectly acceptable. The CVT in this video works exactly like a NuVinci hub except it has only one ball or planet instead of 6.

  • @jpsalis

    @jpsalis

    3 жыл бұрын

    @@Ed.R there are also planetary gear systems that can be built into the hubs. Some axle-driven and belt-driven bikes are able to get away with unique designs that chain bikes can't as well

  • @MAXQ14

    @MAXQ14

    3 жыл бұрын

    The Fendt vario transmission for tractors can also be used manually, but that's a hydro-mechanical transmission.

  • @coolvibrationsYT
    @coolvibrationsYT3 жыл бұрын

    It took a brilliant mind to figure that out - Jeremy clarkson

  • @umtpz
    @umtpz3 жыл бұрын

    Really would like to see how it performs when force is applied to it. Like on a car. Great design, also can be controlled by a servo

  • @Gin-toki

    @Gin-toki

    3 жыл бұрын

    It have been used for a real life car, so I'm guessing it works rather well under load. See en.wikipedia.org/wiki/Continuously_variable_transmission#Toroidal

  • @trevorgray3681

    @trevorgray3681

    3 жыл бұрын

    Cvt tranission in an rc car would be awesome

  • @jonborno8550

    @jonborno8550

    3 жыл бұрын

    It doesn't work that well.. You still have some problem with slip, which reduces the efficency of the transmission.. There is a bike hub which incoporates the same principle (nuvinci) - go check that one out!

  • @Nevir202

    @Nevir202

    3 жыл бұрын

    @@Gin-toki CVTs in cars are NOTHING like this. Most common design uses belts and adjustable cones.

  • @Gin-toki

    @Gin-toki

    3 жыл бұрын

    @@Nevir202 This particular design with discs and balls, have been used in cars before. Check out the link I provided :)

  • @rizalardiansyah4486
    @rizalardiansyah44863 жыл бұрын

    This is actually incredible!

  • @helmutdergroe9457

    @helmutdergroe9457

    3 жыл бұрын

    No its shit

  • @tekbox7909

    @tekbox7909

    3 жыл бұрын

    @@helmutdergroe9457 why?

  • @helmutdergroe9457

    @helmutdergroe9457

    3 жыл бұрын

    @@tekbox7909 balls are gay

  • @jacobtallman8424

    @jacobtallman8424

    3 жыл бұрын

    @@helmutdergroe9457 was JnjjjAA I ha

  • @Kermitted1

    @Kermitted1

    3 жыл бұрын

    @@helmutdergroe9457 lmao

  • @BeyondtheBrick
    @BeyondtheBrick3 жыл бұрын

    Great video! Can we showcase some of your work on our Facebook page with credit to you?

  • @ferdoreznik

    @ferdoreznik

    3 жыл бұрын

    Yeah, of course but so far not so many videos. I will add more in near future.

  • @petterikippo9863

    @petterikippo9863

    3 жыл бұрын

    @@o_o-fk7ym and lego technic mastery got the idea from a NuVinci cvt. So making a lego version of a real life thing is plagiarism, but only if someone has done it in lego before. And you really expect that this new guy just happened to see that OVER THREE YEAR OLD video from a 50k sub channel, and plagiarise it? And even if he did, his design is quite distinct from it, like the second ball.

  • @SaperPl1

    @SaperPl1

    3 жыл бұрын

    I wish you've asked me such questions xD

  • @SaperPl1

    @SaperPl1

    3 жыл бұрын

    @@o_o-fk7ym It's a CVT and the video is about explaining how this kind of CV works and how to build it. I don't think he stated anywhere that this is his own creation and that he designed it/invented it and so on. He did a pretty good job explaining how it works, albeit I'd add the rotation axis of the ball to those explanations, and I'd probably make the connection between ball pivot points differently, but that explanation is his content and it's showing off a CVT implementation that probably ton of people could come out on their own without watching LTM video first.

  • @MathiasA1000

    @MathiasA1000

    3 жыл бұрын

    Looks very much like the nuvinci n360 gearbox I have on my bicycle

  • @jodiac
    @jodiac3 жыл бұрын

    This is incredible! It’s so much simpler and smaller than all other Lego cvt’s ive seen before

  • @Eternon2000
    @Eternon20003 жыл бұрын

    Awesome explanation as well as demonstration. When i first saw this kind of CVT i didn´t understand it but the way you showed the mechanism it is now clear.

  • @LouieFromPikmin
    @LouieFromPikmin3 жыл бұрын

    I didn't know CVTs existed until now, but now I totally understand them! This is so cool!

  • @augmentedjustin835

    @augmentedjustin835

    3 жыл бұрын

    Yup. A lot of modern cars use CVTs

  • @zerodegrees8

    @zerodegrees8

    3 жыл бұрын

    avoid buying a vehicle with a cvt, they were designed to save on weight and parts which also came with a cost of higher failure rates.

  • @jpsalis

    @jpsalis

    3 жыл бұрын

    @@zerodegrees8 not necessarily, it depends on the design. The principle itself leads to a really smooth driving experience, and like you've mentioned already, there are less moving parts

  • @HerbaMachina

    @HerbaMachina

    3 жыл бұрын

    @@zerodegrees8 cvts are great when they're built properly.

  • @haxl2200

    @haxl2200

    3 жыл бұрын

    most CVTs work using a v belt between 2 variable pulleys so they can use centifugal forces to adjust the speed rather than a manual lever

  • @you900001
    @you9000013 жыл бұрын

    Never seen a cvt like this before, usally it's the belt and cone ones

  • @drumkommandr9779
    @drumkommandr97793 жыл бұрын

    This is actually a wonderful transmission for low rpm engines, like steam; it's interesting that you used a variable flywheel for it.

  • @kees7981
    @kees79813 жыл бұрын

    insanely underrated😲

  • @shadowlord0162
    @shadowlord01623 жыл бұрын

    you explained it very well and it was easy to understand. its always nice to see that people still put effort into their videos.

  • @turtleb01
    @turtleb012 жыл бұрын

    This is the best CVT design I have seen. It looks really efficient and probably could handle a good amount of torque with the right materials.

  • @adithyanaik8497

    @adithyanaik8497

    2 жыл бұрын

    hey can you please check my question in the recent comments and be explain why.. thank you

  • @schlenbea
    @schlenbea2 жыл бұрын

    I had no idea this concept was so straightforward! Thanks for describing how it works and amazing job on the build, as always!

  • @allanploth6031
    @allanploth6031 Жыл бұрын

    This is by far one of the most useful and direct explanations I have found. Many thanks. Long live LEGO.

  • @tylerlassa9628
    @tylerlassa96283 жыл бұрын

    You need to make the CVT Foley automatic by adding a differential on the input shaft with a linkage connecting it to the control rod of the CVT so when there’s more load it all down shift and use a rubber bands to apply tension towards the high-speed side of the lever. Also put a small lever on the rubber band to add more and less tension for high speed gear and low speed gear!!!

  • @laukkasenpoika
    @laukkasenpoika3 жыл бұрын

    I have sean many different ways to do that same thing, but you made me see one more. Thats geanious!

  • @HerbaMachina

    @HerbaMachina

    3 жыл бұрын

    Seen* please do not reinforce people's bad pronunciation of my name for the love of all that is good in the world.

  • @user-nb2bn3xx6h
    @user-nb2bn3xx6h3 жыл бұрын

    Really Cool!!! Never thought that changing ratio could done with such a simple ball!

  • @AHSEN.
    @AHSEN.3 жыл бұрын

    I had no idea CVTs even existed prior to this video, and I am very impressed. Great job. I appreciate how you're not using very rare parts, and most people can build this with stuff they have (I don't have the ball needed but still this design is great).

  • @hard2getitrightagain314
    @hard2getitrightagain3142 жыл бұрын

    Figures the only CVT designer to say "let's make it more robust" is building with Legos.

  • @cl4589
    @cl45893 жыл бұрын

    That mechanism is so clever... You're a genius my man!

  • @ferdoreznik

    @ferdoreznik

    3 жыл бұрын

    Not me. Its old mechanism. I just improved it a bit to be really usable. Thank you.

  • @cl4589

    @cl4589

    3 жыл бұрын

    @@ferdoreznik oh thank you for you comment. I never seen that mechanism before and this video was really interesting. Thank you!

  • @Colorado-Coyote
    @Colorado-Coyote3 жыл бұрын

    This is an amazing concept and I absolutely love it

  • @adissentingopinion848
    @adissentingopinion8483 жыл бұрын

    Now that is truly mechanical skills.

  • @ruuman
    @ruuman3 жыл бұрын

    Thats the neatest cvt I've seen, very elegant.

  • @Flare-nd
    @Flare-nd3 жыл бұрын

    this is the first mechanical mechanism that actually blew my mind. Subbed

  • @fryncyaryorvjink2140
    @fryncyaryorvjink21403 жыл бұрын

    That governor is a great way to show speed! Nice transmission too

  • @jam4live99
    @jam4live993 жыл бұрын

    I love the usage of differential piece. Just swinging around.

  • @pschweiz
    @pschweiz3 жыл бұрын

    Wow! now I understand vario-transmissions. Thank you

  • @burgersnchips
    @burgersnchips3 жыл бұрын

    One of those "I can't believe I never thought of that" moments. Excellent work!

  • @TheDARJAMRAN
    @TheDARJAMRAN2 жыл бұрын

    That is so clever, but so simple once broken down, amazing to see

  • @htbwlego
    @htbwlego3 жыл бұрын

    Amazing work! This was impossible for my mind...but with lego you can do EVERYTHING!!!

  • @antman2826
    @antman28262 жыл бұрын

    That’s is actually really cool. Very clever. Very impressed.

  • @user-mc5mu1xl4w
    @user-mc5mu1xl4w3 жыл бұрын

    wow, this is the most interesting cvt idea i seen so far!

  • @florian.42
    @florian.423 жыл бұрын

    you are really a genius man even with my knowledge on the subject I would not have thought of that

  • @vkiperman
    @vkiperman3 жыл бұрын

    That was awesome!

  • @ZenoFromTheElea
    @ZenoFromTheElea3 жыл бұрын

    Greate explaination and realisation. Good job!

  • @corgraveland4874
    @corgraveland48743 жыл бұрын

    Fantastic idea, design and construction! Credits to you 👌

  • @ferdoreznik

    @ferdoreznik

    3 жыл бұрын

    Thank you 🙂

  • @JamesTDG
    @JamesTDG2 жыл бұрын

    I just wanted to watch gears work, but that explanation was pretty satisfactory...

  • @lt.frankdrebin3317
    @lt.frankdrebin33172 жыл бұрын

    Genius demonstration! Damn; at 46, I want LEGOs again!

  • @theonorrman7112
    @theonorrman71122 жыл бұрын

    Wow! I love the mechanics of physics... but i've never thought or heard of this! Cool video.

  • @RedVRCC
    @RedVRCC2 жыл бұрын

    This is really cool and I also learned how a CVT works today.

  • @simonlenart6938
    @simonlenart69383 жыл бұрын

    Thanks for sharing this design its exactly what I was needing for a car im making

  • @jaygryska317
    @jaygryska3173 жыл бұрын

    This is fantastic!

  • @TOPSYKRETTSHERE
    @TOPSYKRETTSHERE3 жыл бұрын

    couldnt work for a car or truck but definitely work of anything smaller. hell, this would shredd the rc community! still amazing to see new ideas

  • @vincentrobinette1507
    @vincentrobinette15073 жыл бұрын

    I saw a transmission using this principle for use on a bicycle. Interesting concept. Thanks for posting!

  • @RaySpoint
    @RaySpoint2 жыл бұрын

    Wow, great idea, great work!!

  • @sevendesign1805
    @sevendesign18053 жыл бұрын

    First video where I hit both the like and subscribe button, at the same exact time, in a very long time.

  • @KjllShot
    @KjllShot3 жыл бұрын

    This is brilliant! On so many levels i love it

  • @bjarnivalur6330
    @bjarnivalur63303 жыл бұрын

    So simple, I'm surprised that I haven't seen something like it before.

  • @timhout2032
    @timhout20323 жыл бұрын

    Fun fact: they used to use a transmission in F1 that also had these *infinite positions* Wich gave them the possibility to run the engine at a static rpm that gave the most torque, but it got banned BCS it was hella overpowered and other teams didn't know how to implement it.

  • @chewbubs3533

    @chewbubs3533

    3 жыл бұрын

    F1 stunting development of vehicle technology? Totally unheard of

  • @Alasswolf

    @Alasswolf

    2 ай бұрын

    @@chewbubs3533 when typing "Do F1 cars have CVT transmission?" on google, you learn that it has been banned for balance between competitors

  • @CRAZYCR1T1C
    @CRAZYCR1T1C3 жыл бұрын

    That’s some ingenious engineering right there!

  • @Alan_Hans__
    @Alan_Hans__3 жыл бұрын

    That is absolutely brilliant

  • @ChaosNe0
    @ChaosNe03 жыл бұрын

    Wow that's amazing!

  • @tonysmith8379
    @tonysmith83793 жыл бұрын

    Educational and entertaining. Thank you.

  • @herrnase4340
    @herrnase43403 жыл бұрын

    This should be a LEGO set.. Id buy it in a heartbeat

  • @niko_hva
    @niko_hva3 жыл бұрын

    Simple and brilliant idea

  • @marianosantopinto
    @marianosantopinto3 жыл бұрын

    Nice work. Love to make transmissions work

  • @badhatharry4323
    @badhatharry43233 жыл бұрын

    well this was brilliantly explained!

  • @derpdays7067
    @derpdays70673 жыл бұрын

    This is absolutely amazing

  • @nerdtm.5524
    @nerdtm.55242 жыл бұрын

    This dude has all the best lego pieces.i would love to come over and tinker with him

  • @nicholaslittle2312
    @nicholaslittle23123 жыл бұрын

    Really love this!

  • @gormahek3535
    @gormahek35353 жыл бұрын

    This is really amazing idea for cvt.

  • @chrissmith7669
    @chrissmith76693 жыл бұрын

    I love it. Not for high torque applications but absolutely brilliant for low torque.

  • @rossbrumby1957

    @rossbrumby1957

    3 жыл бұрын

    They are very good in pushbikes to replace derailleur rear gears.

  • @TheCardinal365
    @TheCardinal3653 жыл бұрын

    Awesome work. I learnt something new.

  • @sqweeaak
    @sqweeaak2 жыл бұрын

    Thanks for the idea.

  • @Trades46
    @Trades463 жыл бұрын

    It is a very cool CVT idea which Nissan (now rather infamous for its CVT gearboxes) tried this design in the Y34 Nissan Cedric in Japan back in the late 90s. Using two spherical "balls" to drive two cone shaped input-output shafts it was pretty cool at the time, but its low ratio spread (about 4.3) vs. the more conventional pulley & belt design (which can go up to 6 in Nissan's Xtronic CVT) and high cost meant this roller ball was not to be.

  • @BloodRose-75
    @BloodRose-753 жыл бұрын

    Man you could probably make some awesome twist and switch puzzles using that design

  • @legolas7470
    @legolas74703 жыл бұрын

    That is so good!

  • @andreashofmann7888
    @andreashofmann78883 жыл бұрын

    Das ist wundervoll!!! Danke für diese Idee!!!

  • @SpockFalk
    @SpockFalk3 жыл бұрын

    A fantastic idea, Chapeau!

  • @frontrowattheshitshow8849
    @frontrowattheshitshow88493 жыл бұрын

    You just taught me something about engineering! Thanks! :D

  • @locke_ytb
    @locke_ytb2 жыл бұрын

    This is very well made, bro.

  • @a.r.c582
    @a.r.c5823 жыл бұрын

    Fantastic! What a genius solution

  • @justynadabrowski4626
    @justynadabrowski46263 жыл бұрын

    UR A FOKIN GENIUS

  • @Carlos_Carranza_Lopez
    @Carlos_Carranza_Lopez2 жыл бұрын

    Fantastic!

  • @izzyhethere4385
    @izzyhethere43852 жыл бұрын

    Truly a wirk of art. amazing, thank you

  • @user-zv5ss4fg8m
    @user-zv5ss4fg8m3 жыл бұрын

    Cool visualization for understanding

  • @BrickEric
    @BrickEric3 жыл бұрын

    Very clear. Thanks, nice!

  • @oadka
    @oadka3 жыл бұрын

    Incredible! Never underestimate the power of lego!

  • @elliotburing87
    @elliotburing873 жыл бұрын

    Very very VERY cool video, sir!

  • @SLoTH-LoRD
    @SLoTH-LoRD3 жыл бұрын

    An interesting concept... I like it!

  • @kpullowan
    @kpullowan3 жыл бұрын

    amazing one!

  • @edwardsill8304
    @edwardsill83043 жыл бұрын

    Awesome!

  • @mmicoski
    @mmicoski3 жыл бұрын

    Great video!!

  • @henrylo6773
    @henrylo67733 жыл бұрын

    The principle blew my mind. How are people so smart.

  • @PaperEater26
    @PaperEater263 жыл бұрын

    this has SO many uses!

  • @dabdoube92
    @dabdoube923 жыл бұрын

    I'm not into lego and such. But I learned something through this vid. Thanks

  • @sed6
    @sed63 жыл бұрын

    This is awesome! Liked and subscribed 👍

  • @theskyrun563
    @theskyrun5633 жыл бұрын

    Really nice video!

  • @52Warlock
    @52Warlock3 жыл бұрын

    Brilliant!

  • @anjitahlawat
    @anjitahlawat2 жыл бұрын

    Great Video Salute to you for your efforts.

  • @jjvc3888
    @jjvc38883 жыл бұрын

    Nice design, love the music

  • @maxnickel9430
    @maxnickel94303 жыл бұрын

    Omg, thats amazing, car manufacturers could learn a lot from that

  • @badeshka1
    @badeshka13 жыл бұрын

    Nice work!

  • @ryanm.191
    @ryanm.1913 жыл бұрын

    That is... absolutely genius...

  • @karlsitell
    @karlsitell21 күн бұрын

    Good explaination! Thanks

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