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Understanding Universal Joint 

Lesics
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The working of Universal (Hooke's) joints has been a mystery to most of the people even though it was invented many centuries ago. This video clearly unveils the physics behind it in a simple and illustrative way with help of animation.
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Voice-over artist :www.fiverr.com/mikepaine

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7 июл 2015

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Комментарии : 553   
@Lesics
@Lesics 4 года назад
Your support is invaluable for us, let's make a closed community www.patreon.com/LearnEngineering
@abhishekjangale7969
@abhishekjangale7969 4 года назад
Hey, your videos have helped me a lot,seeing that you are an Indian , I felt proud,so I decided to make a contribution ,but as patreon will charge my card in foreign currency, that will just be a waste of money,instead if you could just let me know your UPI id, I will contribute directly as much as possible every month! email id: jangaleabhi@gmail.com
@abhishekjangale7969
@abhishekjangale7969 4 года назад
Thank You So much keep making great content!
@therelaxationpoint
@therelaxationpoint 3 года назад
Can do you make your rear wheel drive vehicle move if one of the rear wheel is net having firm contract with ground?
@nomadben
@nomadben 7 лет назад
I understood the basic concept of a U-joint, but had no idea that the output speed wasn't constant. Very interesting. Thanks for the video!
@VontekSRB
@VontekSRB 7 лет назад
now,,, why the output speed iznt constant?
@yuvrajzala9756
@yuvrajzala9756 7 лет назад
VontekSRB because the propeller shaft is inclined to transmission shaft, so due to that there will be not the exact transfer of rotating speed or motion. And thus in final drive also the angle will be different hence no constant velocity.
@steamsteam6607
@steamsteam6607 7 лет назад
I had trouble as well seeing why but imagine If you push something straight along a line determining it's speed or pushing it at an angle compared to the line. Even if you push it just as hard, you will cover less distance in the initial line's direction and thus your speed will be less in that that direction. Now imagine you zigzag push the object compared to the line. Your relative speed will vary, depend on the angle compared to the line you're pushing along. Regardless of giving a linear, unchanging push on the object. This is the same principle as the constant torque, constant velocity input of the input shaft giving a fluctuating velocity output when the output shaft is at an angle. Resulting in jerky rotation.
@dangerdavefreestyle
@dangerdavefreestyle 6 лет назад
so true. im wondering now how a front engined rear wheel driven vehicle can operate so smoothly and the final part of the drivetrain is not jerky.
@bradentrevino7694
@bradentrevino7694 6 лет назад
DangerDaveFreestyle I'm wondering if the rear drive shaft having two U joints gives it the same effect. The front U joint that is up by the yoke to the transmission and the rear u joint going to the rear differential. Does that make a driveshaft a CV (constant velocity) axle without the name?
@mdj2023
@mdj2023 8 лет назад
One thing that should be noted in the last example (double U joint): The input and output shaft have to be parallel for the velocity to remain constant.
@anthonysanchez157
@anthonysanchez157 Год назад
In other words, along the same axis of rotation
@anthonysanchez157
@anthonysanchez157 Год назад
In other words, along the same axis of rotation
@parillo12
@parillo12 9 лет назад
this video turned a simple concept into a total mind fuck........thanks :D
@andreyoung06
@andreyoung06 7 лет назад
always trust americans to do that lol
@PikaPetey
@PikaPetey 6 лет назад
Upping my Lego mindstorms game
@DorfVG
@DorfVG 3 года назад
Wait hello what
@thebush6077
@thebush6077 2 года назад
oh
@peng0_266
@peng0_266 2 года назад
Ikr
@Peter-bg1ku
@Peter-bg1ku 4 года назад
Universal joint: I'm complicated Automatic transmission: Hold my planetary gearset
@wingedstring
@wingedstring 4 года назад
*proceeds to break down at 10 000 km*
@Vi-pv3xi
@Vi-pv3xi 3 года назад
I have an automatic bike. Been 6 years and zero problem other than the odometer, speedometer, and the old battery lol.
@Peter-bg1ku
@Peter-bg1ku 3 года назад
@D ʝả ħ AT's are for people who have better things to do with their lives than wasting time shifting gears
@alfarosiarsita
@alfarosiarsita 3 года назад
@@Vi-pv3xi automatic bikes use cvt and not planetary gears
@lucasvanhamburg4937
@lucasvanhamburg4937 3 года назад
you sound like a lazy american
@masterimbecile
@masterimbecile 8 лет назад
"Now you understand how an universal joint works. Thank you." No. Thank YOU!! :oD
@gabrocki
@gabrocki 8 лет назад
+masterimbecile Exactly what I'm thinking after every single LE video. "...Thank you." NO! THANK YOU!!! :D
@stevencutting5300
@stevencutting5300 7 лет назад
gabrocki Same here.
@roshanwijesooriya8048
@roshanwijesooriya8048 7 лет назад
masterimbecile
@ImNotADeeJay
@ImNotADeeJay 4 года назад
Me neither
@tomv3361
@tomv3361 4 года назад
There are literally three parts...feels sad to be silly huh?
@contrabandest
@contrabandest 9 лет назад
Now I understand how offroad vehicles can flex so much, thank you!
@sam_s_
@sam_s_ 4 года назад
But do you underatand how body builders flex so much?
@jaygongetemwdym3730
@jaygongetemwdym3730 4 года назад
@@sam_s_ MMMMMMM NO
@csibesz07
@csibesz07 3 года назад
@@sam_s_ congratulations for roasting a 5 year old comment, plenty of them left
@sam_s_
@sam_s_ 3 года назад
@@csibesz07 I wasn't roasting their comment. Their comment was perfectly fine. It just made me think of a stupid joke. Relax or I'll have to flex on you.
@Hgkbukk
@Hgkbukk 8 лет назад
This has absolutely NOTHING to do with my education but I still watched the whole thing xP
@AdityaMehendale
@AdityaMehendale 8 лет назад
+XelPixels Your education has NOTHING to do with your life, the universe and everything, so good that you watched till the end.
@Hgkbukk
@Hgkbukk 8 лет назад
+Aditya Mehendale no offense, but that comment was just stupid.
@AdityaMehendale
@AdityaMehendale 8 лет назад
+XelPixels No offence taken; I was just feeling stupid at the moment. Or maybe wise.. or just "wiseass". Who knows.. IMO, though, cool video/concept is cool - you don't need ratification from your 'education' to enjoy it.
@zan700
@zan700 8 лет назад
+XelPixels Actually, there really was nothing stupid about that comment. No offense.
@EdgarPoe_Raven
@EdgarPoe_Raven 7 лет назад
There's no need to stay stuck to a matter,you would be surprised at how much you can learn and be good at
@kinangeagle133
@kinangeagle133 3 года назад
The video is exactly what I needed. He didnt just explain the parts and purpose of the U join, like most other videos, but he also talked about the physics
@MrShanqwert
@MrShanqwert 9 лет назад
Another superb explanation...You made Understanding Mechanical really easier.
@ladamyre1
@ladamyre1 8 лет назад
You missed one very important point! The angle of the outputting universal joint must match the angle of the inputting joint. This problem was the source of some vibration concerns with some RWD vehicles and I have seen quite a few "Raise Kits" put on the rear suspensions of cars and trucks that did not take this into consideration. Some of those vehicles shook so violently they would loosen the fillings in your teeth! The concept of the constant velocity joint was used in the 60's and well into the 80's with what was called the "Cardigan Joint' and it had a very short piece of shaft at the front of a lot of driveshafts on GM RWD cars. A bit more complicated than this video showed, it served pretty well to eliminate vibrations caused by angle variations as long as the final output angle to the differential was under 1 degree.
@agungbudyatma3652
@agungbudyatma3652 5 лет назад
Exactly. I'm facing vibration problem in my car due to universal joint
@charliedee9276
@charliedee9276 5 лет назад
"Cardan joint", not cardigan.
@lucasvanhamburg4937
@lucasvanhamburg4937 3 года назад
"it is clear"
@oc2phish07
@oc2phish07 4 года назад
This is simply brilliant. Really explains the non-constant velocity perfectly.
@Nova_Avali
@Nova_Avali 3 года назад
3:21 you may have outsmarted me but I outsmarted your outsmarted
@kosztaz87
@kosztaz87 8 лет назад
Thank you, I had no idea about the fluctuation in speed etc, especially the last minute was very helpful!
@CrazyCandyCrush
@CrazyCandyCrush 5 лет назад
You've just make my understanding of the world more complicated.
@wowthtsgood
@wowthtsgood 7 лет назад
INCREDIBLY interesting and informative!
@joenormanmusic
@joenormanmusic 4 года назад
It seems like everybody is here because they were curious. Not because they actually needed to know. And I think that is great.
@legohexman2858
@legohexman2858 3 года назад
The algorithm
@rhysdavies4315
@rhysdavies4315 4 года назад
This video has made a huge difference to my understanding of this joint! Along with helping me complete my course work, many thanks.
@snells-window
@snells-window 2 года назад
Excellent video. This is why when reassembling a tail shaft, it is very important that the marks on the slip joint line up, so the angles on each end also match
@rentijian3464
@rentijian3464 9 лет назад
This is great, thank you for teaching me for free, you deserve more subscribers
@vv8104
@vv8104 4 года назад
There were ads. Not free.
@AlxM96
@AlxM96 3 года назад
@@vv8104 i think he was referring purely to lack of currency transactions, which is the common way the word "free" is used. In that case it is free, but I understand your point.
@Mic_Glow
@Mic_Glow 4 года назад
I needed this video in my life.
@ericl2969
@ericl2969 4 года назад
If you look at light-duty 4x4 trucks from decades ago (50s, 60s, and early 70s), the transfer case was tilted down toward the rear to reduce the angle of the U-joints in the rear drive shaft (the shaft with the greatest need for running efficiently), but this increased the angle of the U-joint on the front side of the transfer case. To accommodate that, they tilted the rear (input side) of the front axle downward. This rotation of the axle position away from the position that "looks right" increased the angle of the U-joint at that location so it was a close match to the steep angle of the U-joint at the front of the transfer case. It's a setup that looks very strange if you don't know the reason, and this video explains the reason.
@shashankshekhar4441
@shashankshekhar4441 8 лет назад
Thanks for the interactive animation and explanation !
@egehandorum7128
@egehandorum7128 4 года назад
Such an excellent video I have ever encountered with! It is explained with simple graphs and simple explanations, as well as supported with a simple video, I really enjoyed it, and I am so grateful :)
@felixgan8781
@felixgan8781 4 года назад
Wonderful animation! Made the concept clear as day!
@Xiatle
@Xiatle 2 года назад
Nice video, especially after smokin some good universal joints 🤙
@handsomehardiksinh
@handsomehardiksinh 9 лет назад
Thank you very much. Effort much appreciated.
@amitbarua8378
@amitbarua8378 9 лет назад
what an amazing explanation. hope we can learn more things from you guys.
@shivamtiwari-gf6je
@shivamtiwari-gf6je 5 лет назад
Awesome work. Please continue the job.
@lembriggs1075
@lembriggs1075 6 лет назад
Thanks so much for posting! This is a concept that I think very few professing professionals even have a clue!
@nyceyes
@nyceyes 4 года назад
I loved these videos. Thank you for this video uploader! 🤗
@Nixonitus
@Nixonitus 5 лет назад
Dunno why this was in my feed, but, I'm impressed by it.
@ItGetsOrganized
@ItGetsOrganized 2 года назад
keep it amazing man, your voice makes me know I'm about to get better
@berkantdilber
@berkantdilber 7 лет назад
Wow. Never thought that mathematical abstractions could solve mechanical challenges with such ease. Thanks for sharing.
@yusaknugroho3360
@yusaknugroho3360 7 лет назад
Your explanation were so clear. Awesome dude!!!
@dukealok0303
@dukealok0303 4 года назад
Now I have understood U-joint in a better way. Thank you for making such a video.
@guilhermemarcelino6720
@guilhermemarcelino6720 6 лет назад
Great video!!! Congratulations, It now I can understand how a universal joint works
@COMB0RICO
@COMB0RICO 5 лет назад
Wonderful! Thank you from Texas!
@boat6868
@boat6868 4 года назад
Excellent video...thanks for sharing.
@damienmccue2793
@damienmccue2793 6 лет назад
Don't know why I needed to know this but I now feel empowered.
@hemen6249
@hemen6249 6 лет назад
Awesome 👍👍 its so easy to understand. I'm glad i opened youtube to find out. And I'm logging without any other video 😁
@mupparamshyam
@mupparamshyam 9 лет назад
Thanks, this is amazing....
@snehashishbanerjee2575
@snehashishbanerjee2575 3 года назад
Amazing animation with lovely explanation :)
@adolfocarrillo248
@adolfocarrillo248 7 лет назад
outstandable!!!!!!!!Thanks Learn Engineering
@zaidhasan5379
@zaidhasan5379 5 лет назад
awesomely explained
@fares6599
@fares6599 7 лет назад
THANK YOU VERY MUCH! i feel much better having understood this
@lanzi655
@lanzi655 4 года назад
Thanks that was well explained. Good work.
@gopikrishnaneupane6612
@gopikrishnaneupane6612 5 лет назад
I clearly understand about universal joint. Thank you
@NguoiconnuocViet
@NguoiconnuocViet 5 лет назад
Thanks so much for such an interesting vid!
@fookcheongloke1741
@fookcheongloke1741 3 года назад
Great video. Learned something today. Thanks
@krishnavardhanchary509
@krishnavardhanchary509 9 лет назад
please keep thermal related videos....your animations are simply superb....
@khacduylhp
@khacduylhp 5 лет назад
Thanks for the video! Really helpful :)
@ferencszekely3550
@ferencszekely3550 5 лет назад
Very useful for my final exam, Thanks!
@harshrajput3874
@harshrajput3874 3 года назад
Thanks for your support
@Froggability
@Froggability 4 года назад
Many years ago they taught us this at school, when disassembly the shaft always mark the parts and spline with a file so they go back exactly the same, otherwise the Jerky Motion will ruin the drive shaft. Pretty obvious. I hope kids are still taught these basics mechanics
@sadhgurusfunniestandwittie3620
@sadhgurusfunniestandwittie3620 3 года назад
This is graduation stuff. Not taught at school
@steveHoweisno1
@steveHoweisno1 8 лет назад
this is f-ing amazing. Thank you
@HopeIsAlliGot
@HopeIsAlliGot 4 года назад
Ooooooo my gosh ....... Never knew that the speed on the output shaft isn’t constant after changing the angle 🤷🏻‍♂️ Thanks a lot dear for uploading this informative video 😊
@Thetrucky69
@Thetrucky69 6 лет назад
Excellent information.
@ardarctica
@ardarctica 6 лет назад
I've been searching for this for over a year and now finally I know how a fwd is able to steer while powering the wheels
@charliedee9276
@charliedee9276 4 года назад
They use CV joints, quite a different animal.
@lamalamalamalamapapa
@lamalamalamalamapapa Год назад
excellent explanation!!!
@unknownvector1
@unknownvector1 8 лет назад
Finally my curiosity has been answered, nice animation
@wb6wsn
@wb6wsn 8 лет назад
+unknownvector1 And why do you believe the animation to be accurate? I have seen many animations where Wily Coyote somehow hangs in mid-air before starting to drop; is that factual?
@timbarrett4580
@timbarrett4580 8 лет назад
I needed to figure out a way to transmit rotation to another axis without bevel gears and I had no idea how great universal joints were until this video. Thank you so much! You fucking rock!
@user-jw7gt6cx7k
@user-jw7gt6cx7k 2 года назад
concise and clear!
@Rafaelind
@Rafaelind 9 лет назад
Really awesome! Congratulation!
@saimaseemamu3319
@saimaseemamu3319 3 года назад
Very informative and easy understanding
@OriginalSchaffino
@OriginalSchaffino 6 лет назад
Thanks RU-vid for allowing me to nerd out when I least expect it.
@Darkscream4
@Darkscream4 4 года назад
It is clear that this video helped me alot
@ajinkyasutar5376
@ajinkyasutar5376 4 года назад
Thanks for amazing explanation
@manuel56354
@manuel56354 2 года назад
This was amazing
@Bananer
@Bananer 6 лет назад
This video showed up randomly in my recommendations. No regrets at all :D
@rienzitrento8397
@rienzitrento8397 4 года назад
Very clear and interesting
@monteiro5306
@monteiro5306 6 лет назад
In one word : Great!
@harrisonclark3799
@harrisonclark3799 6 лет назад
I have always wondered how that works... omg thank you
@Matty_Joe
@Matty_Joe 2 года назад
Thank you. I am trying to build a Lego articulated suspension system with steering. You have helped me understand the universal joints.
@raj76471
@raj76471 4 года назад
excellent explanation...thank you very much.......
@SDCustoms
@SDCustoms 9 лет назад
Great explanation!
@neerajarora5330
@neerajarora5330 Год назад
Great job. I am a Uni joint manufacturer but never knew why do people use double joints.
@ImineResveratrol
@ImineResveratrol 6 лет назад
I love that this is recommended to me
@cardanshaftmanufacturer6340
@cardanshaftmanufacturer6340 6 лет назад
Dullabh Commercials is one of the leading manufacturing & export houses from India. Our export products are in accordance with international standards and have been satisfying the needs of our customers worldwide. Our experience of more than four decades and innumerable contacts enable us to provide our clients with the best of the leading suppliers of Spare parts to the Indian and world automotive industry. We are also among a leading Cardan shaft manufacturers in India.
@reistje
@reistje 7 лет назад
My teacher always told us to use two for balance. I sorta imagined it was something like this but this is a nice video!
@everythingengineeringwithk9461
@everythingengineeringwithk9461 3 года назад
very well explained
@ritanbarman
@ritanbarman 3 года назад
Awesome video
@jasondepieri2485
@jasondepieri2485 8 лет назад
"Understanding Universal Joint": 82.230 views "Jen Selter makes squats": 129.655.342 views
@mrglaciator
@mrglaciator 6 лет назад
Natural selection at its finest...
@Guds777
@Guds777 6 лет назад
i would put my universal joint in Jen Selters spline.
@edozero406
@edozero406 6 лет назад
yo culpo a los padres
@danthill007
@danthill007 6 лет назад
I will watch the Jen Selter squats right after this video
@murdechoc
@murdechoc 4 года назад
butts are more universal than universal joints
@guilhermerafaelzimermann4196
@guilhermerafaelzimermann4196 3 года назад
Why am i watching this at 2 am Either way, that was some good narration and good explanation, thank you
@jameshartman495
@jameshartman495 4 года назад
Thank you for these videos. I, along with many other instructors have been tasked with converting what are normally lab activities to online lessons in a very short period of time. I certainly appreciate your site as a resource of accurate, clearly explained information.
@praddyumnadurge9341
@praddyumnadurge9341 2 года назад
Great lesson
@ttrmttrm4833
@ttrmttrm4833 4 года назад
Thank you . I love mechanism
@liemh9290
@liemh9290 Год назад
Wow!!!! Amazing
@srujanatmikatechnologies7264
@srujanatmikatechnologies7264 6 лет назад
Ur explanation is suprb
@BennettHubert
@BennettHubert 6 лет назад
Great job.
@liamtheurchin5569
@liamtheurchin5569 4 года назад
I didn't know, I didn't know how a universal joint worked. Lots of pennys dropped like why on cars its a different joint called a CV joint constant velocity. Why the yolks have to be lined up. And why the input and output shafts have to be parallel. OMG. Thank you sir and thank you youtube for the recommendation.
@pratikghosh2410
@pratikghosh2410 8 лет назад
nice.. helpful for theory of machines
@earthstrong7855
@earthstrong7855 5 лет назад
this channel rocks
@sajsed2
@sajsed2 6 лет назад
So that’s how they get constant velocity to the wheels, the axels 👍🏿 thank you.
@nugenki
@nugenki 6 лет назад
My mind just got blown. I would have never imagined it wasn't 1 to 1
@AbhishekSingh-yh7ce
@AbhishekSingh-yh7ce 3 года назад
what an explanation !
@putinputinov6521
@putinputinov6521 6 лет назад
That was interesting, thank you
@er.m.sudhakarmuthiaha9283
@er.m.sudhakarmuthiaha9283 3 года назад
In your channel all videos are good Fentastic animation
@ThatsWhenItkickedin
@ThatsWhenItkickedin 6 лет назад
Loved this video. thanks
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