The automatic transmission really is a stunning piece of mechanical art.

0:36 When you press the brake pedal, you disappear.

We've come a long way since the caveman days. Here we are explaining the engineering behind a torque converter using 3d computer graphics delivered by high speed internet that's delivered to everyone globally. high fives all around!

Without a doubt this was the best, and most clearly presented description of how a torque converter works that I have seen. I teach automotive engineering to young adults and it has always been a difficult task to explain how the Torque converter works. Your video is going to be of immense value. Thank you.

I always knew these things were witchcraft...

The “pump” is also known as the impeller, and the “reactor” is also known as the Stator

I've had arguments with people on auto transmissions - they just can't fathom a fluid based 'pump' being the core to power transmission in their car. I'm so glad I can just send this video now. Nice animation and explanation.

Ha, this reminded me of my buddy's dad explaining this to us with an orange sliced in half 30 years ago.

After 30 years of wandering, I finally get a clear explanation.

I am grateful for the geniuses that gave us this mechanical knowledge thoughout history.

How instinctive and well described explanation on the public eye level it is. I can even go so far as to say that the quality of this video must be much more worth than any stuff used in school nowadays and I think we should study and share these well made videos for every child who is living with these technologies. I really hope you to continue this struggle and so appreciate that efforts. I’m gonna support this by any sponsor from now on.

How does anyone ever discover stuff like this? I'd never ever have the idea to use a high-density fluid and 3 rotors to create a component fulfilling this task.

If there was a award for the best video explanation in youtube, you guys would win this easily. damn everything gets easier to understand with the help of you guys.

This was brilliant! Finally I understand how it works and what it does in the first place. Even the channel Engineering Explained, although being phenomenal at explaining everything, didn’t get me to understand the mechanics of a torque converter. You guy managed to do it in 8 minutes! Yup. You have a new subscriber. Thank you!

A great video throughout. I especially appreciated the part about the lockup torque converter... when towing I always knew WHEN the torque converter locked up because the RPM would drop slightly without a gear change. Now I know WHY. Thank you!

It's incredible that all this technology in cars that we take for granted can be in a crappy beater worth $500 bucks.

For years, all the explanations I could find skipped over the one-way clutch, but I couldn't see how the converter could work without it; how could you have more torque out than in with no connection to be body of the transmission? Finally, about 15 years ago, I just Googled "torque converter" AND "one way clutch" to find a complete explanation. This animation makes it even easier to understand. Thanks for posting.

I love learning things like this. It was very informative however I would have to watch it more times to fully wrap my head around it but I got the gist of it. So many mechanical innovations are going on simultaneously inside the cars we drive.

Learning this was the highlight of my day. What an amazingly beautiful piece of engineering 👌. I'm absolutely stunned.

Iam a car Technician from South india and currently working in Saudi. Your videos are valuable. Please accept my sincere salute.🙏.

I’ve tried to understand how these work for so long with no luck. I’ve watched so many videos that left me still confused. This is the best explanation of how a torque converter works I’ve ever seen! Awesome video

After 20yrs I finally found the most clear concise and detailed explanation with animation... awesome...

1:15 incredible and fascinating how the torque converter can maintain handling and transferring so much power to the wheels. So incredible how gearing works so smoothly, and all combined can actually handle and displace all of it to the axle and wheels spinning with enough power.

Great video. I couldn't imagine how trippy this would be if we saw the fluid motion in action via a transparent casing!

Another absolutely fantastic video, as always! Thank you, this really helped me understand how a torque converter works.

Awesome explanation. No one could explain so deep and in simplified manner. Hats off.

The lockup clutch is the best thing they've added to automatics. For those who don't know, older automatics in some vehicles did not have a lockup clutch. The converter was a constant slip or steady slip design. Very common in 70's - 90's medium and light duty diesel commercial trucks and buses with Allison automatics for example. What does constant slip feel like? Feels the same way your modern automatic behaves in cold weather when you first drive it while the transmission is cold. It takes about 15-25 minutes of highway driving to warm up the transmission enough to trigger the lockup clutch and when that happens the engine rpms will lower slightly and it will behave like a manual transmission since there is a direct connection between engine and transmission. Older automatics feel like "they're cold" the whole time being driven, constantly slipping and inefficient by comparison.

Good video. Between this the video on the turbo encabulator, I feel I now have a solid grasp of automatic transmissions AND torque converters.

THIS VIDEO IS THE ONE THAT HELPED ME!

This channel has to be in the top 5 of all time informative explanations on the internet. The Graphics are nothing short of extremely high quality and easy to follow. Well done and keep up the great progress. I remember back when you started out. I still found your videos excellent but now they are of a professional level. Well done from the UK

i always had a basic understanding of how they worked, but seeing it all inside and out really helped bring the magic to life!

Wow thanks for the simple and very well done explanation. I somewhat understand how a manual transmission works but the component that turns it "automatic" I was told was so so complicated. This is so simple it could be a kids toy! Thanks so much

Best animation on how the fluid flows and howa torque converter works. Thank you very much!! Some people have no idea how to teach and some people don't go step by step 1 2 3 4 5 6 7 all the way to 10, they just skip 1-5 and hope that you understand which screws us up, i had to figure that out on my own in order to understand the turbine and impeller were on different sides and the casing for the TC was what made the oil pump work while the splines of the input shaft went into the turbine side.

I understood more from this video than reading an entire chapter in my engineering textbook

Wow! This video made the transmission/gearbox/shifter/torque converter much easier to understand. I can take my time with the video and see how the parts work together. Way cool!

This is one of the best Video out there about torque converters! Keep it up!

Amazing quality of content in less than 10 min .masterpiece work Marvellous.

The torque converter was developed by humble engineers at "Sachs" in Germany. They are the ones who should be remembered! They then had to drive around in ordinary cars. Their ideas had to be converted into solid steel. They didn't have access to software or 3D design simulation! Though modifications have been made to the original design, it had to work, more than just spinning around to be put into production. It multiplys just torque and not riches!

I've always admired stuff like this , like imagine with summer weather cold weather extreme condition these machines still run ,with good maintenance it will extend it's life

It is so elegant! Thank you so much for making this!!

I thank Prof. John Kelly and Dr. Kyle for their technical inputs to this video. If you like our work, please support us at www.patreon.com/Lesics Prof. John Kelly's channel - goo.gl/7gpTzF Dr. Kyle's channel - goo.gl/txDKdK

The entire automatic transmission in motor vehicles is an excellent example of mechanical engineering and the understanding of fluid dynamics.

Probably the clearest explanation of a torque converter I’ve seen 👍

Very clear explanation. Great video for learning about the workings of a torque converter. It should be noted that the reactor is also known as a stator.

What is truly amazing to me is that with only a fluid as the mechanical connection between the engines crankshaft and the transmissions input shaft you can lift the front wheels of a 2500 or more pound car a couple feet off the ground at the drag strip.

Great video and explanation. It would be interesting to include the differences between a typical converter and a high performance, high stall converter.

Simply brilliant! I wish I had a hologram picture of a modern car, I could view from any angle... Your channel is the second best thing.

Best video on torque converters by far. Thank you!

Only video editor person know how hard work and skills needed to make this type of animation. If you agree leave a like

Great video, very informative! However, I was curious as to whether or not anybody else noticed that the engine shown in this animated BMW was a V6, which is a layout that BMW has never used as they have always exclusively used 6 cylinder engines with an inline layout.

Thank you for posting, I feel like I have a greater understanding on what a torque converter actually does.

I absolutely love these videos. I watched it several times to understand some parts, and I felt I become smarter every time :D

Incredibly good explanation. I never really knew how an automatic transmission worked.

With this video, it becomes easy to understand the complex mechanic principle ! thankyou!

thanks for including the bit at the end regarding lock-up torque converters, almost thought you were going to leave that out

this is the kind of video i love, its verry informative but nor overly informative, just perfect.

Hello ??, this is the best visual explanation I have ever seen on how torque converters do their magic! I'm 70 and a neighbor of mine back in the 1960s gave me a training manual on the newly introduced Ford C-6 automatic transmission ( I still have it) so I could better understand the trans in my 1966 Cyclone GT. It explained the whole principle of torque converters very well also and I have always understood whats going on ever since I read it. The one thing you did not mention that it talks about is how under high stall conditions the fluid speed gets accelerated in every pass through the pump, turbine, reactor and back to the pump. I have sent msgs to other people, converter mfgs, trans specialists etc asking if they knew how fast, what speed the fluid might attain in a full stall condition. I got reply's back several times but never really an answer to my question, as they said they really didn't know . Do you have any idea of an answer to this question, do you think it's ever been measured or calculated? I still have a cut open torque converter in my garage attic in case any one I know wants an explanation as to how they do their thing. This whole topic is why I feel in many ways that a torque converter hydraulic automatic trans is better than the dual clutch automatic / manual transmissions that are becoming so popular today. Sincerely, George

Its a nice video. Maybe I'm behind the times but we used different terms in the trans industry. Fluid flywheel should be "fluid coupling". Reactor is generally called a "stator".

I always wondered how it worked and had a hunch turbine blades were involved. Thanks for the great explanation and illustrations!

Best ever description I've seen yet. Many thanks!

I’m glad I watched this video. I could probably watch it a hundred more times and I think I still would not understand how it works.

This is literally insane to me. Humanity really has no limits when it comes to creating & improving things.

The best video to explain how the key component: reactor works!

This is an awesome explanation with amazing animations, too. Thank you.

Always awesome.. 😍😍😍

I wonder if that v6 BMW is the fabled beamer with the working turn signals.

Best automatic transmission video I've seen to date. Well done

The fact that, all the use cases such as slowing down, disconnecting power to transmission, providing torque when needed and not when not needed is all satisfied with this one piece, is unbelievably🤩 amazing

This video makes one thing VERY clear: I will never understand how these things work. I'm getting close on string theory, but torque converters? Fogettaboutit.

If you guys think this is mind blowing, imagine seeing the pages of complex math, fluid mechanics, dynamics calculations that is behind this stuff...that is engineering

Thank you for explaining the operation of a torque converter correctly. There is much mis information on this topic on the internet.

Thank you very much for this wonderful explanation about torque converters.

Your project is awesome! But both the pump and the turbine must rotate in the opposite direction to operate the shown way (5:45), mustn't they?

Wow, didn’t realize the fluid is the medium of locomotion.

This channel makes the whole concept very easy.... Very nice demonstration👌👌👌

Best vid on torque converterter I have seen. Thanks

Wow, really stunning. I always thought a computer mechanically changes gears depending on how fast you drive :) I wonder how they seal the whole thing from leaking.

I came here to learn what da hell Water Jet Channel just took an hour to cut in half.

Shorter video, but well and easy to understood. And i found in many loss of power cases, are. caused by fault torque converter due excessively oil change intervals or low grade oil, leads its mechanism to scratch, higher heat range and greater clearances than designed between arranged moving parts. Thank you so much....!!!

This video has a lot of exertion. Thank you for amazing explanation.

I always thought the car somehow put itself in neutral when you stopped. Never would have thought of this.

In toyota world we call the “Reactor” a Stator and the “pump” a propeller.

super video !!!!! miles ahead of the competition ! very well done

clear and proper detail level of explanations. thank you

this is so fking genius

When I was in high school, no one could explain this!

Thank you for making this video! This was actually easy to understand!

love it. long have I wanted to understand how it works. Thanks for the Vid! much appreciated.

So just to clarify for myself, the reactor's job is to help the pump by making sure it receives swirled fluid, and this is done by the one-way clutch. Also, in a way, it is good that the output fluid from the turbine is not swirled, because that means it absorbed most of the swirliness from the pump and converted it to rotation to the transmission. And then that's were the reactor comes in and adds the swirliness back to help the pump.

The VALVE BODY... of a Transmission.... How it works??? Next lesson .... Please!!!!

Great video, this explains the role of the stator so well, great job. Gotta love a classic BMW V6 too...

best video on torque converter 😊 love your videos

As someone studying automotive on his own at home. These videos feel like cheat cheats to in class lectures

extremely well made engineering concept video! may I know what software did you used for the making of this animation? Inventor?

As a transmission shop owner I'm glad the algorithm showed me this video. That way whenever a customer that is too......slow to understand when their torque converter is damaged I can just send them this..

Best video on this topic... Great work

On the second example, why Is the pump by the gear box and not by the engine. Isn't it getting spun from the engine and spinning the other one going to the wheels????

forgive my ignorance but i had NO clue this mechanism is this complicated Humans created this damn

Brilliant. Wonderfully presented.

"Most of us enjoy the smooth and effortless feeling of driving in an automatic transmission car" Most of Europe and Russia would say otherwise.