NISSAN VC TURBO Engine (VARIABLE COMPRESSION TURBO) ► How Does It Work?
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- เผยแพร่เมื่อ 20 ส.ค. 2024
- The new 2.0-liter VC-Turbo, which recently launched as a world's first technology in the all-new INFINITI QX50 crossover, replaces the previous-generation Altima's 3.5-liter V6, offering similar performance figures while providing 4-cylinder fuel economy. It will be available on the Altima SR and Platinum front-wheel drive grades.
World's first production Variable Compression Turbo engine
Designated as the VC-Turbo, the technology behind the new Altima powerplant was more than 20 years in development and represents a breakthrough in combustion engine design by continually adjusting its compression ratio to optimize power and fuel efficiency. It is projected to offer a double-digit percentage increase in fuel economy.
Assembled in Japan, the VC-Turbo changes its compression ratio seamlessly through an advanced multi-link system, continuously raising or lowering the pistons' reach to transform compression ratio - offering both power and efficiency on demand. A high compression ratio gives greater efficiency, but in certain applications poses the risk of premature combustion (knocking). A low compression ratio allows for greater power and torque and avoids knocking.
In operation, the VC-Turbo engine offers any compression ratio between 8:1 (for high performance) and 14:1 (for high efficiency). The engine delivers 248 horsepower @ 5,600 rpm and 273 lb-ft of torque @ 4,000 rpm (premium fuel). The VC-Turbo's specific power output is higher than many competing turbocharged gasoline engines and comes close to the performance of some V6 gasoline engines. The unit's single-scroll turbo ensures immediate accelerator responses on demand.
Along with the world's first multi-link system, the engine features an electric motor with a unique Harmonic Drive reduction gear to manage the variable compression ratio. The electric motor is connected to the Harmonic Drive with a control arm. As the Harmonic Drive rotates, the control shaft at the base of the engine rotates, moving the multi-link system within the engine.
As the angle of the multi-link arms changes, it adjusts the top-dead-center position of the pistons - and the compression ratio with them. An eccentric control shaft changes the compression ratio of all the cylinders at the same time. As a result, the engine capacity varies between 1,997 cc (for a low 8:1 ratio) and 1,970 cc (high 14:1 ratio). The transformative multi-link components are manufactured in high-carbon steel alloy.
The engine also utilizes two combustion cycles, with the electronic variable valve timing allowing the engine to switch between Atkinson and regular combustion cycles. This allows for greater efficiency and optimal performance as the compression ratio transforms.
Compared with the previous-generation Altima's 3.5-liter V6 engine, the 2.0-liter VC-Turbo requires less space in the engine bay. The integrated exhaust manifold in the cylinder head contributes to the compact engine packaging, improves turbo response and enables the catalytic converter to heat up quickly for lower emissions. The engine also contributes to lower NVH levels.
The VC-Turbo engine uses both multi-point injection and gasoline direct injection to balance efficiency and power in all conditions. Gasoline direct injection improves combustion efficiency and performance, and enables the engine to avoid knocking at higher compression ratios.
The multi-point injection system mixes fuel and air earlier, enabling complete combustion in the chamber for greater efficiency at low engine loads. The engine switches between both at regular engine speeds, with both sets of injectors able to work in conjunction under higher loads.
In addition, low-friction mirror bore coating contributes to a 44% reduction in cylinder friction, allowing the engine to rotate more smoothly. The coating is applied to the cylinder walls by a plasma jet, then hardened and honed to create ultra-smooth cylinder walls. And finally, a two-stage variable displacement oil pump raises the oil pressure as engine speeds rise and the compression ratio lowers.
Altimas equipped with the VC-Turbo (SR 2.0L and Platinum 2.0L grades) include a meter in the instrument panel's 7-inch Advanced Drive Assist Display so the driver can see, as well as feel, the control state of this unique technology while driving.
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I work for Nissan. I was part of the team who launched the VC-Turbo in the 3cyl and 4cyl configurations. While this being an industry first mass production VC engine, something not even the Big 3 could get right, Nissan persevered and brought it to life. This engine has changed the game. Ford and GM are now trying to copy the engine and capitalize off a success by Nissan. Yes Nissan faced challenges with the motor at first. Many challenges. But our teams analyzed and trouble shooted and solved them as the came. This engine is a very precise engine. Unlike regular motors where tolerances can vary on a decent spec of hundreds of micons, this engine not so much. I've had the honor to build one of these VC by hand, and its a real experience. Nissan, setting an industry standard with breakthroughs once again. Just as Nissan done with their PR engine. Nissan engines continue to be the worlds most sought after motor.
For those who question the mileage life, I personally have a 2018 Altima with the 4cyl VC-TURBO and it hit 250,000 miles in 2023. The engine has minimal wear on it. Showing that once again the skilled teams at Nissan took an engine thought too difficult by the Big 3 to mass produce with a long reliable life span, and made it happen.
I'm amazed how one can lie about with such confidence. This shit of an myr engine literally fails after few thousands of kms use.
These engine's are under official investigation. " Nissan’s Variable-Compression Engine Failures Are Under Federal Investigation
"
Frequent engine knocking and metal shavings in oil pans. Yeah one heck of a success fk
th-cam.com/video/Wqccs9XjMKs/w-d-xo.htmlsi=KlA8h7jVdhWJmKFn
SO you built the engine no one asked for or needed...Ever heard of the K.I.S.S system? Stands for Keep It Simple, Stupid. These will fail in mass quantities. I will bet you cash.
And whats the mpg increase? 1? 2? And all this complexity because of the bs epa regs that'll fine you
You paid by Nissan! gtfo!
Its like a camshaft for the crankshaft
This is the dream of an auto repairman, you will probably earn so much money!
No more difficult than fixing an old v8. Except for a single servo and additional connecting rods, there is almost nothing, and the fuel savings will be very significant. And before the warranty expires, it will definitely not break
@@kombrug the key is the last sentence...
@@kombrug that's a fair point actually. It isn't much more complicated than a v8
@@kombrug .... This just tells me that you do not know much about Nissan quality development engineering and build quality.... Absolute junk
@@MyNameIsNotNick ... Yeah and it's false..
nobody:
nissan engineers: "let's add a million more moving parts!"
A V8 engine must scare you.
@@xavierrodriguez2463 spoken like someone who really doesn't know what they're talking about. I bet you only like pushrod V8s, right?
sounds easy to break and expensive to fix.
yeah I could see this being applied to a top end economy car
Just like all other Nissan's for the past 12 years absolute junk...
@@ronaldradicalhickman6071 it’s just the transmissions that are bad....
@@atomiccomet3176 .... Nissan has cut too many corners since 2002, quality and durability is down....not to mention JATCO.... Absolute garbage.....
All of a sudden everyone is an engineer fuck off lol
Making an overcomplicated engine which end up obsolete by the moment it get to the market seems like a great financial move!
Don't think that oil giants will give up easily... I guess the car manufacturers are also interested in combustion, at it's the weakest point of most modern cars...
It's not that complicated. If this is complicated a v8 is fucking rocket science lol.
@@xavierrodriguez2463 whats complicated in two inline 4 joined together?
@@Helloverlord I think what hes saying is that the extra moving parts of a v8 is comparable to the extra parts of this variable i4 engine
@@xavierrodriguez2463 but please don't bring those lame murican ohv v8 to the table, cuz that's just a single mower times 8
Crazy design. Props to nissan for trying to save the combustion engine!
The pivot point on the connecting rod is a really clever idea.
As long as it's dependable. That is a cool design.
Those parts are heavy, making this kind of engine heavier. Range extender like 1 stroke engine is more efficient in making power for EV vehicle.
@@JohnKickboxing I believe EV cars should have a diesel generator to charge the batteries as you drive.
@@gtgodbear6320 they already exist (using petrol engines)
I have a 2019 QX50 with this engine and a CVT transmission, because its a lease i dog walk that car, put 87 in it most its life, When i put 93 it takes off! ignored the break in period and went 2k miles over due on 2 oil changes, the car is also driven by my family and im constantly hard on the suspension and brakes, The car had its transmission replaced around 20k miles, the car now has 30k very hard miles, I also drove it without the intake half the time. Motor feels faster than ever especially when its 70 degrees F. or less, It makes like 300 crank hp especially because i make my own gas additives with Methanol and Toluene, a drop of nitro fuel, car spins all the way to 60, other than that I put straight 93 and 2 bottles of octane booster, I don't recommend it but that car has put up with a lot and it keeps pushing power with a little bit of rocker tick at idle when its cold, also gets pushed when its cold. I daily tf out of this car
behold, the technology that Altima drivers use to go 130 in a school zone
Хорошая технология, можно возвращать 76 бензин на заправки.
😁
Думаю при минимальной степени сжатия он будет просить 95-ый.
UNAN LA TENOLOGIA DE TRANSMISION SKYACTIVE MAZDA Y EL MOTOR DE VC-T NISSAN🤯
A more complicated way to get spun rod bearing and rod knock
@Stolas Its when a rod bearing has spun.
This one is “NOT” going to last to 200,000 miles
Yes of course
They want you to trade in vehicle after 4-5 years so they can make more money.
In the meantime you will always be in the debt
ii dont know man... nissan engine is pretty good. it's their transmission i'm worry about
The same with Wankel engines but everyone loves them
@@davidhenneberg6772 Not everyone, just enthusiasts aka believers...
@@myMotoring the nissan patrols weren't especially the V6s they were terrible you couldn't even get 50k on them without a rod sticking out the block the only good engine they did was the RB inline 6 ones everything else kinda sucked especially after 2010
Измеряемая степень сжатия уже была реализована на двигателях Saab, это далеко не ново и была реализована подобным способом. В итоге она не прижилась и дорогое обслуживание, а это "чудо" еще более сложное.😂
Точно подмечено, изменяемая геометрия ГБЦ на Сааб Аэро 9-5 в конце 90-х, они ещё гордились что можно лить как 92-й бензин так и 95+ или прем (т.к. 98-го ещё тогда не было)
Где концепция двигателя Голубева, там нет возвратно поступательных нагрузок нет клапанов и изменяемый объем камеры сгорания
VC engine: i think i'm impractically and probably pointless
Rotary engine: hello, first time?
All negative comments about reliability due to complexity are made by non engineers who would have said the same thing about vtec in the late eighties..
Try used a "vtec" from a brand that is not toyota/honda and see the shitstorm
It's not really that, it's just all the shit Nissan's on right now. CEO stealing/scandal. The really bad engineered CVT. That technically isn't Nissan's doing except the CEO decided to outsource that job. We just want Nissan to go back to the basic, "RELIABILITY" not coming out with another engineering gimmick, we know is going to fail. It's not like I'm not about progression, but let's get a stable footing. Honda's not the first variable valve timing, it was Fiat I believe. 🤔 they gave up on it because it wasn't cost effective and there was something to the engine they couldn't do back then. That they can now. Honda's more of the perfectionist and has several patents on that engineering marvel.
@@polentusmax6100 almost all cars have variable valve timing and i dont see where is the storm youre talking about... 🤔
I trust Honda to make a reliable engine a lot more than I trust Nissan.
Every comment about reliability/balance.....has been made by the unreliable/unbalanced. Coincidence??
Continually variable circumference wheels are on the next years model.
LOL I'm not sure if I would be willing to live in a world like that.
Independent research in engine technology by many universities, engine designers and smaller factories have shown but cannot sell their designs to larger car companies that a simpler 1.5-2.0L straight 6 or L6 with 10-16 degree offset crankshaft, variable boost, variable timing, passive combustion sparkplugs and 2 valve combustion chambers have proven a layout that is quieter, easier to build, easier to maintain, more efficient pulses therefore better economy, torque and acceleration than any complicated 4 cylinder design. However complexity destroys the profits once made by smaller third party aftermarket companies.
Love You NISSAN .👌
heartily Compliment by Indian.😘
Cool concept. But now a 4clyinder will have the same weight of a V8, and have same number of rods?! With less power?...I understand it's a new concept, and I would like to future models and see the improvements.
Главное чтоб писали о применении эдакой технологии большими буквами. На что только не пойдут чтоб уменьшить ресурс в угоду псевдотехнологичности.
А какой у этого двигателя ресурс?
По мне это не уменьшение а увеличение ресурса потомучто на поршневые стенки юбку нагрузка уменьшилась плюс вибрация дизбаланс уменьшилась в чем здесь плохого
@@dvikharev чем больше деталей в двигателе, тем больше возможностей для поломки. Учитывая что сейчас на рынке автомобили с классическим колен валом без наворотов бывает не доезжают до 100тысч пробега из-за проблем с корректировщиком фаз распределения, катализатора или непосредственного впрыска топлива, то это я расцениваю как дополнительный фактор риска
@@dvikharev согласен что на картинке вроде всё прекрасно. С перекладкой поршня и уменьшением вибраций всё просто шикарно... Ремонтопригодность мне кажется пострадает, а ремонт принесёт херовый русский бензин. По технологии тут всё продумано хорошо.
@@tomahawk648 по поводу херового российского бензина: так изменение степени сжатия как раз расширяет всеядность этого двигателя, потому как обычные движки не могут уменьшить степень сжатия, а этот двигатель уменьшил степень сжатия и нет проблем с детонацией. Также в этом двигателе из за более удачной (вертикальной) нагрузки поршня после воспламения износ цилиндра и юбки поршня сведены к минимуму.
I see everyone knocking the extreme complexity of this engine, but what Im concerned about is why did they even make this? How would this engine benefit the consumer in any way?
Car companies are making cars for no-brainers. Assist of this, assists of that, systems, helpers, everything automatic. Now even a monkey can drive a car. Here You can see a turbocharger lag and spool assist for people that don't know how to operate and what to expect from a turbocharged engine. They treat customers as idiots.
Well, high compression engines have many benefits in terms of power, torque, fuel efficiency. That’s why many car makers have pushed the envelope of high compression engines going as high as 13:1 or even 14:1. However, high compression doesn’t work so well with turbochargers as it increases the risk of preignition. So this technology solves the problem of allowing high compression at times when there’s low boost from the turbo and low compression when there’s higher boost from the turbo. That gives you the best of both worlds of power and fuel efficiency.
And it seems to have worked. The little 3 cylinder turbo in the Rogue feels energetic when pushed, but it returns the best gas mileage out of any non-hybrid in its class. I think this technology coupled with a hybrid system would be the next logical step if this technology proves to be reliable in the long term.
Saab developed a more simple system in 2000, but GM shelved it.
Now that fancy new engine design needs to be driven 300,000 or more miles in a 10 years or more time span and then we will find out if the new design is superior to the conventional engine designs.
Those parts are heavy, making this kind of engine heavier. Range extender like 1 stroke engine is more efficient in making power for EV vehicle.
Quality just like their cvts
Wild Technology starting at that crank!!!
I remember when Nissan engines were simple easy to fix I'm not buying it
That lower rods cluld tale out few of the forces from crankshaft :o nice!
Sadly, exhausts restrictions wouls make it quiet :( othwr way sound should be great!
Now it's up to quality and tolerances...
За электро будущее !
Нефть не всю спалили ....
Электро это прошлый век
На этой основе эффективный гибрид получится
Is this going to break just like the transmission they have? LOL
Guaranteed I just saw this video and I just saw your statement and you are one of the few and smart..... Nissan has been absolute garbage for well over 12 years
Just fucking send it.
Looks so cool.
It's a good idea but I can't wait to see all the issues that arise
Why low compression if just make it a fixed at high compression without extra moving parts?
Некоторые говорят мало ресурса и то и сё. Но современному двигателю надо быть экологичным, а значит и экономным. То что ремонтопригодность будет никакая, это не беда, как и не ремонтопригодные современные смартфоны, типо одноразовые. Авто не должен быть вечным, он должен быть рациональным, безопасносным и главное эколгичным, что бы кто бы не говорил. Маркетология тут ещё на втором месте. Сейчас другие приоритеты. Но это всё для России не очень подходит, из-за суровых климатических условий, но всё же.
Ist doch ein alter Hut!! Saab hatte schon einen fertigen Motor vor 20 Jahren!
Make a 3L V6 twin turbo version of it and put it in the new Z 👏
If I could acoupler one of this to my 99 explorer will buy it
Un bon vieux TD du seigneur et c'est réglé .
Interesting Video!
Getting my oil done at the hunt's point fish market. 😂
nissanthebest
Cars are fine the way they are the way they have been. Can we stay pre 2010 on everything. I wish
020202
Nissan is one step ahead.
That's a copy of Mazda system Skyactiv
Faster to the junkyard then the rest..
One step ahead
Wow this is amazing!
I think I will go over to Toyota for now on.
I did like the 200SX but the new Toyota 86 will surpass it.
Variable compression is overcomplicated and asking for issues.
They are to stupid to know that and dont care
2.0 engine is best idea.
The first of it's kind... in production, and you shit all over this marvel of engineering.
And exactly what would you do to further the automotive engineering world??? Points and Condenser ignitions? When you have the first fucking clue about this technology, then you can come to the adults table to speak.
Until then... go fix a lawnmower or something...
@@bmw328igearhead Well when you have a thimble full of my experience in Engineering l might take you seriously till then....😂😂😂😂😂😘 my ASS 😂😂😂
@@markjmaxwell9819 yeah like we're just gonna take your word that you're an engineer on the internet
Is toyota do the same with change open valve? Valve open when piston goes up and in the cyliner was less air and petrol. Lower compression pressure
This is slightly more efficient than that. Though toyota’s method is a whole lot simpler.
Пейн, я надёжности не чувствую...
Потому что у тебя его нет
GMs cvvt does the same thing with half the parts. Less fuel consumption and a much more dependable engine
This is a cool design no doubt but when you add more moving parts so does liability of breakage
So you’ll have to use premium gas even in normal compression??
You ll need the variable gas tank too that comes in extra lolllllllll
@@upnorthviking823 Lololol 🤣🤣🤣
@@DioniEstrella glad i made you laugh haha 😁👍
Looks way too complicated, more moving parts to go wrong.
I'm pro electric cars 110kw max.
Complicated yes... but if you see how it's designed, the stressed that kill conventional engines are not present/as pronounced in this engine. So despite the extra complications, it's still an even more efficient and powerful engine.
If you want complicated?!? Look into Saab's attempt in the late 80s, early 90s for their variable compression engine. Wooo what an abortion that piggy was.
Sadly, our society is that of a "throw away" mentality, so when it breaks they'll just get a new one. Nevermind making something last, and then to be able to repair it, instead of replace.
*shrugs* C'est la vie, non?
After 200k you throw it awey
Damn I fear for whenever you have to touch a v8.
It's got too many moving parts for you.
Great work
очехуительно!
So does this outshine the extra complexity extra moving parts the requirment for 3x the bairing surfaces.
I'd put 1 in my lawnmower that grass wont see me coming😂
Why if it combine with freevalve koenogsegg?
i like the music
Шатун сейчас не по всей ширине работает, а только с одной стороны цилиндра. нагрузка на юбки поршня будет не равномерная. Интересно как они решат вопрос неравномерного износа юбок.
The future belongs to whomever comes up with the highest power density, most temperature resistant EV battery.
No
Nissan moving on to some more complicated technology they don't explain to well on how it functions, just the benefits.
How about you guy's work on makeing reliable transmission again. Those CVT transmission aren't goin to fix themselves.
And those technicians won't teach themselves how things work.... wait... yes we do...
Seriously dude, if you can't figure out how this system works by watching this video a couple times, and pausing to look... then you never would understand it even if someone held your little hand and walked you through it.
Tip: It's an example of a Variable Fulcrum, nothing more.
This asshole scott bleackley has been going through the entire Comments section, telling everyone who criticizes this half-ass video that they can't possibly understand the engine anyway. What a wanker.
@@jbtechcon7434 It's literally not much more complicated than a v8
Imagine if you miss shift a car with this engine.....or not change correctly the oil... i cant imagine what would happen
Soooo basically what you're saying is... if the driver is a fucking idiot.... this isn't the car/engine for them???
Because smart people don't miss shifts, or oil changes. Just saying... people that dumb, should not be on the road.
The same thing would happen in a v8
It's literally not much more complicated than a v8
Genius!
🤯 wow
How about Maintenance?
Do your maintenance... Don't have a problem.
Hm yes an overcomplicated engine that will cost more to fix, because everyone wants that
It's not over complicated. It's basically a V8 where half the cylinders have a different job.
Love it
Mais peças móveis ainda, resultado mais desgaste
Is there a straight six version
Currently Nissan has no 6cyl VC-TURBO. The only options currently are a 3 and 4.
Lots of animation and music. I guess they forgot the "How does it work?" part.
I guess you have to visually understand it
@@sylophone or maybe he should just watch it again
The animation explained it quite nicely
@@536joe yup
If you can't figure out how it works from what was just presented to you.... you never had the ability to understand it in the first place. Go back to school.
Yeah it's more efficient, but is it worth it?
Cool :)
Идея хорошая,посмотрим на сколько живучая
отстойная идея. количество шатунов удвоилось, огромные возвратно-поступательно движущиеся массы. куча мест потенциальных утечек масла со снижением давления во всей системе. габариты и масса - просто лютый пздц. двухлитровый движок будет размером с оку. нах не нужен!
@@kolomenski79 какая ока, о чем ты? Это вместо балансирных валов, может чуть больше, зато изменение компрессии, проветриваемости цилиндра.
@@user-dc3zi8yg1i ты видел балансирные валы?
@@kolomenski79 видел и чё
@@user-dc3zi8yg1i только балансиры довольно существенно увеличивают ширину блока, а тут ещё и шатуны дополнительные. миниатюризация не только в микроэлектронике играет важную роль. + бОльшее количество деталей увеличивает возможность поломки всего механизма, одновременно удорожая, утяжеляя, усложняя и снижая его надёжность. вердикт: полное фуфло.
Great engine
It's horrible. Mine in my 2017 altima went out after only 47,000 KM. Just got it back from the shop a couple days ago and it still is having problems. NEVER will I buy this engine again, way too much stuff to go wrong imo.
josh langley they didn’t lol. He just thinks he had one. I bet he is confusing it with the CVT just because they both have “continuously variable” in the name. And to be fair, any CVT has a lot of issues
true Atkinson cycle
Теперь ресурс не 60 т. Км, а целых 30 т. км. Плюс катализатор доработали? Чтоб быстрее осыпался и задирал цилиндры?
А откуда сведения что ресурс 30 ткм?
На поршень нагрузка уменьшилась ты смотри хорошенько юбку задирать не будет теперь
@@user-lc9hf6yj1p там полюбе ступенька образуется об которую верхнее компресионное превратится в какашку
if something goes wrong - you f#cked up
more parts to break thats why I didnt buy one stuck with the 2.5 4 thats reliable
Cuanto me costará la reparación. 😕
Dumbest idea yet... People want reliable vehicles, not a rolling disaster waiting to happen.
You guys seems to know whats so bad with this system, so we wanna know too
@Michael Pullins of course, im not. But youre right, there are more possibilities of failure... like turbos, superchargers, direct injection, ecu, bcm, automatic tranny, awd and even a/c... all these upgrades come with a risk.
If its designed and built correctly, an innovation is not necessarely garbage.
Btw, many other cies are actually developping similar engine systems.
Ok smart guy... so design, patent, build, and produce something better....
We're waiting...
@@bmw328igearhead I keep telling people that myself whenever people call something a pos. Build one yourself and not start from some another engine and just or block. Start from raw materials and build and design an engine and see how reliable it is without copying someone else.
at the end of the day, it's a v8 with one cylinder bank
Ok, its really good engine, but the engineering time is too much
and repair cost may be that much.
Which car is going to use this?
Looks like low on torque by design. But at-least they are doing something different.
You guys seems to know someting. İ have a question. I want to increase my one cylinder bike's compression rate so i decided to sand cylinder head(the piece that upper head gasket) is it worth to do and possible to do? My bikes compression rate is 8.9.1
@Stolas why
@Stolas sanding heads is a popular practice to increase compression, and smoothing down sharp edges is not impossible
You really aren't an engineer
можно ещё шины по 2000 баксов сделать. охлаждение батареи на лифе нет, зато просто шатун не купи, на тебе - его усложним и приводочек за штукарик зелени впарим при экономии топлива 10%, может .
ну какбы экономим 10% топлива чтоб выбросов меньше было,а не ты богаче стал.все зеленые технологии всегда бьют по карману только пользователю
Mercedes-Benz did this like 20 years ago.
Go from a low compression no boost no cam to instant tune, this could work. this will make of break Nissan.
日本語に翻訳した動画をあげて欲しいものですね。
Вундервафля 2
3. вторая имеет 27М с ядерным двигателем. 😂
Смотрите скоро на канале Кpower )))
Nissan CEO ''excellent idea, now lets bolt a Jatco transmission to it'', Nissan shareholder, ''you son of a bitch''.
Electric motor has only one moving part.....game over.
Cost to replace?
Recycling?
Game over.....
More moving parts more chance of failure
oh damn, better tell all those engineers who build tough as nails v8s v12s and v16s that their engines with more moving parts have higher chances of failure.
@@xavierrodriguez2463 sorry man, but its obvious you have no idea what im talking about and also you have no idea what you're talking about.
Ну копец. И двух литровый мотор будет размером с Оку..
Да ну, зато двухлитровый будет ехать как четырёх
@@user-dc3zi8yg1i , не будет.. Немного по экономичнее только и всё.
@@goiiia3774 время покажет
@@user-dc3zi8yg1i , сомневаюсь, что такая приблуда пойдёт в серию. Давно ведь это уже всё придумано, а вот пускать в серию не торопятся.
Хотя кто знает )
@@goiiia3774 от ниссан можно всего ожидать 😀
looks like Atkinson linkage design
It does doesn't it
Looks like a nissan ad.
Far more complicated than Saab's variable compression supercharged engine from 20 years ago. Really bizarre way to do this.
It's not that complicated
Что-то я не понял, с каких это пор движки со степенью сжатия 8 стали Мега валить? То есть по их логике любая Классика ВАЗа со СЖ 8,5 должна жестко натягивать любой Приоровский шестнарь со СЖ 10,5
Дядь, тут речь про турбо. На низкой степени компрессор задувает нехило. А на высокой степени не дует, показали на видео.
@@rogersmith_bfc по логике то так и есть, чтоб в двигатель можно было дуть делают степень сжатия 8 чтоб детонации не было, правда от этого на низах тяги нет, так как твс не успевает сжаться как следует. Но видимо видео снимали маркетологи и просто написали, цитирую: lowering the compression ratio provide more boost.
@@vorontsovsemyon6897 на низах едешь с высокой СЖ и низким бустом, на верхах наоборот. В чем проблема?
@@germanabzaletdinov6500 проблема в том, что если перевести с английского дословно то что они пишут и ничего себе не додумывать про работу турбины, то они утверждают что снижение СЖ даёт двигателю больше мощности, увеличение СЖ наоборот переводит вас в режим меньшей мощности, но большей топливной эффективности.
@@vorontsovsemyon6897 со степенью 14:1 ни сколько не дунешь т.е работа будет в атмо режиме и конечно если сравнивать атмо режим с турбо он слабее. Видос то около рекламный не будут они указывать все подробности
Можно было просто поднять места крепления коренных подшипников и е порочить голову усложняя механизм)
Смысл то в изменении степени сжатия. Если двигать корни то прочности не хватит.
@@germanabzaletdinov6500 зделать короткий рычаг и шейки пошире всё выдержит есле правильно подойти к вопросу
@@user-zz5xn9wk6v очень тяжёлая конструкция вышла бы, и как при подвижных корнях зацепиться с валом кпп? Возникает ещё ряд вопросов с навесным.
@@germanabzaletdinov6500 нащёт зацепа с кпп есле ремень то просто смещаем натяжытель есле шестерни то подбераем угол при котором и в нижнем и в верхнем положении промижуточная шестерня будет входить в зацеп с боковыми.
@@germanabzaletdinov6500 проблему с навесным легко решается установкой на ремни цепи или шестерни также к примеру тнвд нужно установить непосредственно на сам коленвал так что его вес можно приобщить к весу схемы да и учитывая что степень сжатия будет регулироватся в весьма шыроком пределе то рычаг нужно будет двигать на 1-1.5 см максимум что позволит зделать систему что сможет роботать на газу бензине или дизеле в зависимости от системы питанят топливом.