Why Do We Keep Adding Gears to Cars?
Thanks to ARRMA for sponsoring a portion of today’s video! Get an RC designed to be fast and tough by clicking here: www.horizonhobby.com/arrmatough/
Manufacturers just can’t stop adding gears to cars. In just a few years, we’ve gone from five or six speeds being the standard, to eight, nine, or even 10 speeds. Honda and GM are even working on gearboxes that go to 11! Why do they keep adding more? Well, it turns out there are two very good reasons why you might want a lot of gears, and quite a few reasons why you wouldn’t. Today, we’re gonna figure out why they keep adding gears to cars, and if there’s some point - like, we dunno, 11 maybe - where it’s simply too many. Let’s go!
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I'd love to see a full breakdown of that Koenigsegg transmission! Do it :)
Engineering Explained has got you covered kzhead.info/sun/gLexgdiAhpiinX0/bejne.html
+1
Biggest thing to remember is it isn’t a transmission and has no “gears”.
Yes i agree
OTOH, If you want to see a CVT …break down, just drive it, it’ll self destruct in no time, they were clearly designed by Dr. Heinz Doofenschmirtz, as they have an internal Self Destruct button… “BEHOLD!!! THE TRANSMISS-INATOR!”
No way! You guys got sponsored by ARRMA?! That is awesome! I’m so happy the rc car industry has made it to your channel
Traxxas next
yessir im soo hapy for them
right, i had to do a double take and make sure i was still on the right channel.
Us TOO :D
@@horizonhobby I'm by no means a shill of any kind but I bought a Senton blx last year with a faulty ESC and the customer service was so easy to deal with and responded super fast, i got my new esc super quick too. So thanks for being awesome about your customer service.
One thing I've always adored about this channel is how often times, their content is legitimate questions me and friends ponder about.
Same here! I’ve a couple friends who are huge into their cars, don’t get me wrong I love mine too, but they understand the more complex stuff way better than me. I often find myself asking questions like the title of this video, and then donut come out and answer these questions. Some of their videos mean that I can jump into a conversation with these mates and am able to contribute and sometimes even explain something to them! Love it, great stuff from DM.
My 22 F-150 is 2WD and has a 5.0 engine with a 3.31 rear end. I have it tuned so cylinder deactivation is turned off. I just took it to visit my parents and did 65mph for 3.5 hours. It turns 1500 rpms and got me 27.2mpg. Needless to say, I am super impressed with this truck and 10 speed transmission.
Everyone knows that auto makers have watched the success of The Fast and the Furious's 100 speed transmissions and have slowly used their R&D to copy them. It takes a lot of engineering hours to go from a 5 speed to a 8 speed; we will be living in 2050 and still only be at 30 speeds. By them F&F will probably be using 200 speed transmissions
🤣🤣🤣😭😭😭
By 2050, unless in 20 years or so regulations are relaxed to allow a small amount of gas powered cars, we wont even HAVE transmissions anymore if the trend of EVs stays the same.
this guy knows
I believe Tom Cruise in Days Of Thunder pioneered this technology before F&F.
@@geoffmooregm Hell yes
A) id love to see more bike stuff B) id also love to see a donut media battle to see who’s the best driver/fastest shifter out of the group
Obviously Aaron, he does formula drift.
Would love to see some dual clutch transmission stuff too. DSGs are interesting.
i love this channel, i love B2B. i found donut on the up to speed episode on the civic and felt the joy and emotion you guys have for accomplishing so much. growing up my step dad worked at one of the oldest garages in town. i learned a bit about body, internals, paint, and i got really good at sweeping up the shop whenever the day was over. he would come home and share his excitement about working on a new or different kind of car and being amazed at the innovation some companies put on the road. tragically, he was also abusive, alcoholic, and whenever i was in the garage with him he generally made it an unpleasant experience due to his behavior. that man is long out of my life and im beginning to see the splendor and amazement of his passion in cars underneath all the addiction and abuse. i never knew anything about how transmissions worked but you make it so easy to understand and youre also not blasting hot booze breath in my face about it. i drive trucks and im trying to get into my companies repair shop on my off time. im beginning to enjoy tinkering with things, especially on my own 350z im trying to put back together but no space or tools keeps me from utilizing the knowledge i get from youtube outside of super basic things. sure would be cool to replace or fix the transmission myself and feel proud of it rippin down the street when its done. this is great.
I'd definitely like to see you go over the Lightspeed transmission, or even 'Segg's Direct Drive from the Regera
Yeah, me too
Yessir
Me three
Absolutely!
Yep same. Obsessed with Koenigsegg. Engineering marvel and I want to know it all!
Please, I agree with Jeremiah that an episode on the Koenigsegg Light Speed Transmission would be awesome. Also, another one on Koenigsegg Direct Drive ("no gears"). Engineering Explained has covered both, and even others, like Untangled (very first video explaining Koenigsegg LST), but the Donut touch would be refreshing. I would also love an episode on the forgotten gear systems from the past, and in transmissions with uncommon shifter patterns, like the three-on-the-tree manual, the universal "dog leg" pattern for 3-speed manuals (floor or column mounted) and the rare examples that didn't follow it, the "dog leg" pattern itself, outboard shifters, why the GT40 is right hand drive and shifter is to the right, old automatic transmission patterns ("P, N, D, L, R"; instead of "P, R, N, D, L"), etcetera. Please note that I know the answer to all of these things, no need to comment on me, but I haven't seen a video compilation of all of these, and Donut making one in the style we all know and love, would be awesome. Thanks in advance, greetings from Pergamino, Argentina 🇦🇷
good ideas, wish this comment was liked more
Yesss
We're going full circle. CVT's are coming back.
Bump!!
This video is so informative yet so fun to watch. The jokes, the animation and everything is so streamlined. I love this channel. Keep up the content!!
These guys are what the American Top Gear should have been. They never fail to let you laugh and learn 😄
if only they had the same budget...
8:10 The answer is rear differential. It has a fixed gearing of either 3.23:1 or 2.73:1 depending on what model it is.
Math works out to 3.23 ratio
Now I feel stupid for thinking a pathetic answer of "Final Drive Ratio of differential"
It has nothing to do with gear ratio...it's a Motec exhaust 😂
At an engine speed of 1300 rpm going through a 0.5:1 sixth gear, if the rear wheels are spinning at 800 rpm then the reduction in that particular differential is 3.25:1 (or 1:3.25 if you want to be technical.) 1300 X 2 = 2600 2600/800 = 3.25
"How's the posi Trac rear end on a Plymouth work"? "It just does"... Yep
Makes me proud to be a ZF employee working on the 8HP transmission :) , but our transmission with 5 clutches can also shift gears by opening one clutch and closing another, transferring all the torque from the engine during shifting, so the car in continuously accelerating.
What exactly is the difference between the 8HP50 and 8HP90? I know the 90 is used in the hellcat, is it just a more beefed up version of the 50 and others?
Man I hope y’all bring a 10 speed auto into Mopars lol
Nothing beats a 3 and 4 speed trans
@@bagged1998 literally the 10 speeds do that currently
@@bagged1998 lol yeah sure....
I'm currently working in zfs 8hp division I just love seeing them built the speed at which we produce them is astonishing
I just love how you present so much information to be easily comprehended by the regular people!!! Thank you!!
The differential ratio (somewhere about 3.3 to 4.15) reduces engine speed more than the 6th gear multiplies it, so the wheels spin less than the engine anyway
yup, that's the reason why when people say if you have a 1:1 gear ratio (like 5th gear in some cars) the engine has the same speed as the wheels--wrong because the differential changes the ratio too
And the winning answer is....
@@steve0t107 I’ll do the drum roll 🥁🥁🥁🥁🥁🥁🥁🥁🥁🥁🥁🥁🥁
I know im late but i just wanna say that i knew this
I think I speak for everyone when I say we love you, Jere-bear! And we'd love to see more motorcycle content!
You got to take into effect the rear diff ratio. It is usually a reduction so the overdrive may be null and void
Jeremiah as a host is killing it more with every episode and I love it for you man, keep up the great work! Let’s see the Koenigsegg’s transmission video!
never in my two years of watching Donut would i have expected Arrma sponsoring them. im so happy to see the RC hobby being known to all through Donut
Love RC
Rc hobby has exploded since the middle half of last year!! Especially the drift rc cars. Love seeing bigger ytbers give them love and the sponsorship is a cherry on top
Didn't even know about them until now, I am not surprised though. Maybe they will do some videos on it. Hell that would get me into it, and I honestly think RC gas cars are probably gonna stick around much longer than full size gas cars will. (sucks, but it's inevitable)
@@Nirossen i know that one month ago.
@@LilScotty10 hi jackson S.
The real question is why do car manufactures keep copying each other? Rarely anything actually stands out in the new car market almost everything just looks the same lol
It’s a Save choice, easier to sell and do the marketing for
Brands do market analysis and they build cars based on that. And naturally the market is the same for everyone, so they will build similar cars because they all come to the same conclusion which type of cars will sell. But i think many brands have at least one "cool" car. Like the Supra for Toyota and the R8 for Audi. It is the same with Smartphones, TVs etc.
Because it's super risky and expensive to try something different
@@affectedrl5327 Audi has more then just the r8
The same reason you'd rather follow someone elses cooking recipe instead of making up everything you'd ever cook from scratch. The same reason Burger King waited for McDonalds to spend tens of millions on researching the perfect placement of their franchise locations and then just built their own restaurant across the street from them. If someone else has done the R&D, why would you spend time and money doing your own?
The 1993-97 cars had the Borg-Warner and the 1998-02 had the Tremec. Love the channel, love the content (especially the 4th gen stuff 😉) and you guys are the bee's knees 👍
anyone notice how the subtitles were acknowledging skillshare and not arma the entire add portion??>>>> 0:42
weird
Maybe they changed the sponsor and forgot to change the subtitles
Yea
There once was an infinity gear that was a geared sphere that rode on a plate set and how it changed the ratio was to change angle where they met and thus changed the distance of the circumference the plate traveled along... wonderfully more durable than cvt BUT insanely expensive to machine out, so it was left to the bin.
That sounds interesting af
The Cummins dodge trucks have a centrifugal overdrive. The engine just sits at 2k rpm and the speed just keeps going up.
Laughs in Koenigsegg
Koenigsegg has joined the chat
Koenigsegg direct drive has nothing to do with it, it doesn't change gearing, it's just one gear with electric motor compensating the lower end of the ICE. Cool and clever, but the gear remain the same.
So stoked. As sponsor I can really get behind. Im an rc nut, totally addicted to making little trucks fast a/f. Glad arrma on board. Anything at horizon hobbies is going to be awesome. A main has killer shipping too.
Hi Ryan Underhill. How are you today?
The trade off analysis you did was clean. Might have to send this video to one of my old engineering professors.
The older version of Zf in the 90s has 4 speed, the ZF4HP18, it has planetary gear as well, they shift really quick for automatic back then.
I had a ZF8 for 4 years in my BMW M235 and tuned that transmission. It’s such a fantastic transmission and actually brings “fun” into autos with its characteristics. I didn’t think an auto could be fun and comfortable until I drove that car. I moved back to a 6 Speed manual for my M2 Competition because I knew it would likely be the last new car I would buy in manual before they’re extinct. I love rowing my own gears and I’m happy I did what I did….but man do I also miss that ZF8 at times.
Now I kinda wanna drop one in my Honda. I know it'll be some work to make it work, but I still wanna
@@jessiepoofrae6607 Hope you have a longitudinally mounted rwd Honda. If you do best of luck. If it's a fwd no chance.
Have zf8 in my charger. Agree it is most fun i’ve had or best “feel” i’ve had from an auto trans
I used to own an e90 m3 with dct. And it was my favorite transmission. Everyone told me it was bad and I should have gotten a mnaual. Later I traded it for a 6mt Camaro SS 1le. I missed the dct whether on track, autocross, hills or daily driving. I never liked the manual. It just always felt like a hinderance. I had a chance to drive a 6mt e92 m3 and a 10 speed zl1 and even with the chassis and engines swapped I still preferred the paddle shift. The modern automatic(including dcts) are so responsive and fun they allow you to experience the car in a way you just can't in a manual.
Zf8 in my 2014 a4, and it doesn't shift very well in the cold winter. Hangs too long in a gear before up shifting.
You can always see Jeremiah's love for his work coming through his videos, just his authentic way of expression!
Most channels with a 20 minute video feels like 30 minutes. But this channel, a 20 minute video feels like 5 minutes. Amazing work.
Just learned to drive manual and damn is it fun. Don't own a car yet I just enjoy your content and learn everything I know about cars from your videos mostly. Best cartube channel.
One of the need for speeds you could swap , 5spds, 6spds, 7 and 9s I think. It was cool seeing how some made your 0-60 quicker, but lost top speed, and vice versa
You can do that on Forza Horizon 5 now
Jeremiah, great content as usual! I'd like to see the differences in a parallel twin motorcycle engine vs others... Pros and cons etc
: Even in just parallel twins, you have the differance between 180º, 270º amd 360º cranks, along with 2 cycle and 4 cycle.
Knowing more detail of the differences between parallel twins, inline triples and inline 4's (crossplane and regular firing) as well as v4's, v-twins and boxers, transverse v-twins, inline 6's... Motorcycle engine configurations are infinitely interesting and they all do different things and have different pros and cons
@@Jouster120 : One configuration that I think possable, that I have never seen is a common crank pin 120º V-6 in a Honda Goldwing type bike.
I too would love to see Jeremiah
Right there with ya on the Pert Plus! My retinas are still recovering from a shower in 1994!
This is actually a really good explanation, this should be part of every drivers Ed class.
I think donut should bring back Vs. but with two hosts. one fughting for each side, no definitive answer. I spend most my time debating my friends on which car would be best for what and what brands r better and what criteria u can use to make that a legitimate argument.
this sounds like a good idea, i'm all for this
This seems like a way to trigger certain fanboys 😂😂
sounds like a good way to start fanboy wars In the comment section, I bet they'd be even more entertaining to read 😂
@@Lambullghini why those sexy bots are everywhere GHOST?
@@purwantiallan5089 I don't know, this has been going on for quite some time now. I see them almost everywhere
It's pretty cool how seeing how much transmissions have changed recently. My car has the first 8 speed auto, and that was built in 2008. 10 years prior, Lexus still had 4 speeds in their performance cars. Now 8-10 speeds are the norm.
I agree
Maannn I love the ISF bro 🥵❤️
I love insanely low geared manual trannies the np 435 is my favorite first is typically 6.68 and reverse can be as low as 8.26. It truly is amazing to have such a reduction at your disposal
I love your personality!!!😂 you make what could quickly be a boring video interesting and funny to watch lol!
I love how you guys not only teach us new things about automobiles every week, but also Jeremiahs superpower in making me laugh through every bit he adds to the story 😂 and the editing too ofcourse !!
6 million subscribers should be enough of a reason to do an Up To Speed on Donut Media
A snap shot of your face shifting through the gears with the flames in the back should totally be a shirt!!!! 🤣🤣🤣🤣 I cried man... I cried
I love it, so funny, especially the bit towards the end the graveyard seen
Honestly, I feel/felt like the 6-speed (3 underdrive, 1 direct, and 2 overdrive gears?) was the best setup. But zf-8 has done wonders for brands like Chrysler and really started this ridiculous multi-speed transmission war, lol. :)
Zf is still nothing compared to the all mighty Eaton Fuller transmission that comes with a whopping 18 gears.
@@angrysocialjusticewarrior perhaps, but let's hope modern cars don't need 18 forward speeds just to get down the street, lol. That said, the torque multiplication and what work they do for logger trucks, etc. is something else for sure. :)
@@Kingswood7189 If cars ever come to that point, they would better off using CVT. If only CVTs can be used for heavy-duty applications...
@@dbclass4075 ecvts like the rav4 hybrid would be amazing in heavy duty applications.
@@dbclass4075 there's cvts holding up to 600+ hp in tractors right now.
Regardless of how many gears, I love to select and shift my own gears. Save the manuals!
Manual elitist jerks
@@TechDove I prefer paddle shifters
@@TechDove have you ever heard of a place called... uhm... Europe?
@@matteocristini6221 well thats changing fast
@@larsspeelman3106 I know, what I mean is that here people who drive manuals aren't really considered elitists. Most of us can drive manual cars here, even non-enthusiasts
17:17 That's not true, electric motors definitely still have power curves. In general, the power is reduced as the speed increases. In most EVs, the power is somewhat reduced at speeds >60mph. Some like the Porche Taycan have 2-speed gearboxes to mitigate this, while others like Tesla Plaid or Lucid Air have developed motors with better power at higher speeds.
This is a fantastic video, thank you
I in fact will miss the transmissions even more than the engines. I'm up for the electric future, but I just love manual transmissions. In any case you can program your favourite car torque curve into an electric motor, make it feel just like the car you plotted it from (even the cool vibrations), and attach it to any transmission you want. I understand gas engines have soul and electric motors don't, but transmissions are spirit itself
I almost cried
Yeah, I don't see why a person couldn't replace an engine with an electric motor and keep the rest of the drive train in-tact. I'm rather surprised this isn't far more common.
Agreed!
@@QarthCEO It is kinda surprising that more people dont do it since it's actually been done. kzhead.info/sun/h62TZa19jp1onIU/bejne.html It's honestly such a good idea, you get all the benefits of an electric motor, while still being able to drive the way you like and if anything it would only make a car handle better by lowering the CG.
EV's use torque converters
Who ever does the animation for the explanation of this show, thank you. They make the explanation truly understandable.
Great code loved the trucker shout out. Drove for 8 years few years on a 10speed fun stuff. Do more big rig videos 😂
Awesome video, would love to see more about the lightspeed transmission, also is that the same transmission used in Regera?
Came here for the Arrma spot, know more about gears than I ever thought possible now. Such a great video.
Wheres the been Development 8s speed run car???? We know all about it mostly please release it this summer!!! Dieing for the 1/7th scale on road cars to have a version 2!!! 100mph plus 7s rtr !! Sorry to blow the whistle
So much bike tech to look at: lean sensitive traction control and abs, anti wheelie, dynamic self adjusting suspension, ride modes, variable throttle bodies, quick shifters, blippers and so on. All available on off the shelf bikes...then let’s go MotoGP. Nice work Donut. Keep it coming.
I once had a 2013 Hyundai Genesis coupe V6 with an 8 speed automatic. It really worked well with my bolt ons in manual mode making pops and crackles.
Congrats on 6M subs!
I feel like the more Jeremiah mentions motorcycle content the more I feel like I need that in my life When he was recording in his garage I was just looking at the bikes in the back
Great sponsor I'm glad rc company's see the value of advertising on car channels
Let’s see the breakdown!! I’m intrigued!
Very cool video. I was hoping you'd mention EVs too, having peak torque at 0 rpm never gets boring!
The Pert Plus reference was hilarious. Yes you have viewer's that old 🤣
im a moto boi and i would love more bike content but i do still love learning about anything mechanic related from yall
Can you do a full breakdown on Sequential Transmissions (maybe a Sadev).
Luv ARMMA rc products I’m soon doing a review of their Granite rc truck. Kudos on Donut for the mention and kudos to ARRMA for sponsoring donut. Keep it up to both.
Great sponsorship ARMA is awesome!
Love that 70's-90's vibe I always get from this show. The best time for entertainment. And YES PLEASE more on the Koenigsegg!
I would love for you guys to break down the Eaton Fuller 13 and 18 speed transmissions and how there splitters and high and low range work!
As always thanks for the great content.
this episode could of been a “transmissions need to chill out” When we getting an up to speed for the company ZF 👀
The answer is straight forward, we all grew up watching top gear and the best way to be in top gear is to have more gears lol.
LOL TOOOP GEAr BABBY. On a side note just check out your channel really good stuff, your channel is so under rated subscribed.
@@jiya6531 thanks a lot appreciate
I love the "weird feeling" cvt in yotas. Really reliable. But obviously a fan of the good ol stick shift. And would love the Koenigsegg transmission review/presentation.
Watching this with subs on was an experience. The script very definitely changed between when they prepped the video and when they filmed lol.
16:30 ! YES! please do an episode on lightspeed's gearbox! that would be awesome
Nice video! I'm interested on a breakdown of the Light Speed transmission. Get on it, Jeremiah!
im glad you like Rc cars! awesome hobby
Definitely do a video on the Light Speed!
i am so exited you guys are doing a vid regarding RC's. hope you guys get some more of this content out, it is car related!!!
The internal combustion V8 with a manual transmission will stay close to our hearts. Forever! Plus, great thing to get sponsored by ARRMA!!
knock off traxas
NA V12 is where it’s at my guy
@@PG-20 all engines above the v8 is great. V8 is close to my heart!
I love the V8. Especially when it sounds angry.
The transmission graveyard scene was genius. 👏🏾👏🏾👍🏾👍🏾
I like how the subtitle of the ad is talking about skill share
Would absolutely love more motorcycle content--especially Up to Speed
They should do an up to speed on motocross history
Good video on gearing. I used to wonder how the ZF 8 had so many gears and shifted like it did. Now I’ll have to do more research on this topic. Thank you Jerry and Donut Media.
Gotta be honest, I love my ZF8 and with XHP flashtool it's even better and really customizable.
Do it ! The Lightspeed is an amazing engineering accomplishment. Do the video! BTW love the videos keep em coming.
would definitely love to see a vid on the lightspeed transmission
@G i s e l l e 🍒 All your base are belongs to us!!! 😆
I would love to see you guys do a breakdown on the TC-SST used in the Evo X MR and Ralliart. It’s a unique transmission used in a very few number of cars and has a great community backing it.
It has a great community that loves and hates this transmission.
Did they figure out the over heating and limited power problem?
I know most people don't get stoked about gearboxes but having the zf 8hp in my bmw it's honestly some of the best fun when paddle shifting kinda makes it feel like a race car super crisp shifts
Love the 10 speed in my 6 gen LT1. She rips hard and I can cruise at 80, at 1800rpm and get 30mpg on the highway
I always love any kind of motorcycle content from you guys!
I still think the 6 speed is nice :)
I personally won't buy any car that has more than a six speed transmission. It's overkill, IMO.
I just bought my first rc truck (traxxas 4 x 4/ultimate) it’s funny that this is now they sponsor the first video I watch
I’d love to see more motorcycle content!!! I’ve got a 2016 Yamaha r1!
Love motorcycle content, please make more.
I would love to see a video on this transmission. I love y’all guys!!!! You have always made good videos.
hey i know this vids a year old but the captions are incorrect on your guys sponsorship segment, it shows cc for a skillshare ad just letting yall know, i love ur vids have a good one
yess please , do a video about the koenigsegg's lightspeed transmission.. it would be really awsome !
Differential ratio reduces wheel speed relative to transmission final ratio. Total wheel speed includes all ratios multiplied through the drive train back to the engine RPM.
Can you do a full breakdown on what makes the BMW E46 Diesel gearboxes so good? So many people use them as manual conversions with big power
Yes, Jeremiah. Give me more of that marvelous motorcycle material.
you are terrific! please do the koeninsegg gearbox video!