Nicely animated but next to nothing explained.

@bollockszz

7 жыл бұрын

yep,agreed.

@SebastianTomescu

7 жыл бұрын

the inhale valve opens later than the otto I dont know too much about engines so you might no understand what I said

@2adamast

7 жыл бұрын

The compression stroke starts later 0:48 (the valve closes later)

@madskillzyo

7 жыл бұрын

Sebastian Tomescu intake, not inhale

@Bruno-hd9qo

7 жыл бұрын

Adamast This is called "valve crossing" not "Atkinson cycle". Something almost as old as Otto engine itself..

All I can say is that the 3D animation is absolutely stunning.

Good, I need 4 of them, one for each wheel

@blubase06

7 жыл бұрын

Big Boss slam em together and get a w16

@m7md4x4

7 жыл бұрын

Big Boss if you'd like 20in wheels then you need 3 engines per tyre

@xzabath1

7 жыл бұрын

Big Boss I wanted to upgrade my lawnmower.

Its interesting to note that when the engine is running in Atkinson mode some fuel will find its way onto the back of the inlet valves, helping to eliminate the problem of carbon build up which can affect engines with direct injection. Good for Toyota that they have been able to bring together many advanced technologies together in the one engine and make it work reliably.

@MaxFerreiraFoto

2 жыл бұрын

Not exactly. As it's direct injection, it sucks pure air only (as fuel is injected close to max compression). So only air backflows to inlet.

@danstheory4164

2 жыл бұрын

@@MaxFerreiraFoto the only way to fix DI carbon build up is to go for water/meth injection in the intake manifold periodically before severe carbon build up happened

@MRGF78

2 жыл бұрын

@@danstheory4164 easier to go port injection...

Redline at 2k

@TheEsseboy

7 жыл бұрын

More like 7k

@ionutth4895

2 жыл бұрын

redline doesnt matter, the only thing that matters is how much power and torque you get from the engine, these engines usually go hand in hand with hybrid tech electric motor, which gives you all the power and efficiency.

1:03 Start Stop strategy - Piston stopped at half way of the compression stroke What?

@crouchygt

7 жыл бұрын

I think this is for when start stop is activated, the engine starts faster as the ecu knows which cylinder has fuel ready to combust

@KRAUSER0130

7 жыл бұрын

But how long will pressure inside cylinder be sufficient to make entire stroke possible? Seal between cylinder wall and piston rings is not perfect, and i met some really long red lights.

@W00taSaurusR3x

7 жыл бұрын

KRAUSER0130 That's a question for the engineers, but the seal is better than you think. They wouldn't implement this if it were useless.

@ArturBernardoMallmann

7 жыл бұрын

the engine will ever stop where the compression starts :p

@Trades46

7 жыл бұрын

So only a 1/4 twist (or 90 degrees) of the starter motor will be required for ignition, making it easier to spin the engine back up afterwards.

Toyota engines are so reliable. I find it odd when people complain about Toyota sticking with the 1.8 in the corolla. Why wouldn't they? For 95% the power is plenty and there's no competing motor as reliable.

@OldAccountUser

8 жыл бұрын

+joe b Im with you... The echo engine is like 30 years old and they used it... and still todays it more efficient than the dumb Nissan micra...

@joeb2588

8 жыл бұрын

I noticed hyundai seems to turn out new engines rather quickly. You would think it's best to keep them around awhile and "perfect" them.

@OldAccountUser

8 жыл бұрын

***** oh well it was still used for lot of years and car :)

@AVI8ER

7 жыл бұрын

Yeah. Chevy's 4.3 V6 was started in the mid 80's and didn't end production till around 2005. The vacuum line engine had no place being in a vehicle made in the 2000's but the engine was perfected at it's purpose. Damn thing didn't even have OBDII it was like a weird 1.5 that required the OBDII connection.

@OldAccountUser

7 жыл бұрын

the funny par is the 1.5 toyota with 100hp do like 8 second 0-60 my 2.0 of 140 hp in my tiburon drink almost 2x more fuel and do that in like 10.50 sec lolll. people cant figure the real speed...

I wish Honda would just start making the old D series Civic again... Performance, reliability, build quality, value, efficiency, handling, ergonomics. Best passenger car ever made. I hate to see such great engineering fade away.

@aefwaefwe5737

7 жыл бұрын

Old school V-Tech. My favorite is the D16Z6 but I like some of the other D15 variants too.

@bubbie1983

7 жыл бұрын

Or just make them with b-series engines this time. Everything else you mentioned is true though, but they could have used more power. Integras were a better blend of all that.

@aefwaefwe5737

7 жыл бұрын

I'm a fan of the B series DOHC setup and I've seen some pretty fast ones out there. Especially when swapped into an EF or EG chassis. However, the difference in a drag is not significant and I've seen several stock D16Z6 I/H/E setups that beat similar B16A2 / B18A1 setups. I would rather have the gas mileage but that's just preference.

@bubbie1983

7 жыл бұрын

Yeah, all depends what your priorities are. I've had both and b-series is better IMO.

Finally someone animated the difference between the two cycles! THANK YOU!

@SuperMatiz

7 жыл бұрын

I still don't get it. Only thing I noticed is the intake valve is oppened bit longer. Theres even A-F mixture running backwards to intake port at the video.... O_o

@ScottHBrown

7 жыл бұрын

That allows the turbo charger to add more air to the combustion cycle. This allows for more fuel and more power to be extracted from a smaller engine.

@totoritko

7 жыл бұрын

MatizBIGINDASTREET The purpose of the Atkinson cycle is to have a lower compression ratio vs. expansion ratio. The explanation for why this is good is a bit involved, but I'll try to condense it. Basically, all piston engines work as gas expanders. Ideally, you want to let the gas expand for as long as possible, until it reaches ambient atmospheric pressure, at which point all energy available via expansion has been extracted. The total energy in a gas is intricately linked to its pressure and temperature. In real gasses, any increase in temperature also increases pressure. In simple Otto cycle engines, the compression and expansion occur in the same volume. However, between the two, combustion has raised the temperature of the gas and thus also its pressure. This means, that by the time you have reached the end of your expansion ("power") stroke, the gas still is at higher than ambient atmospheric pressure, simply because it is a lot hotter than when it was inducted at the start of the compression stroke. However, a simple Otto cycle engine has no more room to expand the gas (piston is at BDC), so it has to be exhausted, the remaining gas expansion essentially being wasted. The Atkinson cycle works around this by removing part of the mixture during the compression stroke, in essence artificially lowering cylinder volume for compression, but using full cylinder volume for expansion. Thus you can achieve, say, 12:1 compression and 18:1 expansion, rather than being forced to have both compression and expansion occur at the same fixed ratio. The cost is that Atkinson cycle engines have lower power output for the same cylinder volume of an Otto cycle engine.

@weliftnation2418

7 жыл бұрын

totoritko would this affect higher rpm limit?

@totoritko

7 жыл бұрын

L0RD SPARTAN Don't know, can't see why it would.

It's a cool little engine, I would love to have one, to put on my go-kart!

Great Video for someone to see the internal workings of a motor.

This is probably the most relaxing thing ive ever watched.

If only putting an engine back together was this quick

and the whole damn thing is chromed ! cool !

The Atkinson cycle engine is a type of internal combustion engine invented by James Atkinson in 1882. The Atkinson cycle is designed to provide efficiency at the expense of power density, or total power extracted per unit of displacement per rotation.........................ya, it's new

This should be perfect for my next snow blower and lawn mower engine!

As a former helicopter mechanic, the more parts the aircraft model has...the more it broke. The huey was most reliable, second was the pavhawk. Third was sikorsky ch-3e forth was the pavlow mh53. The 53 broke the most was down the most because it has the most parts. Simplify the design and it will be much more reliable.

@yacinealg152

2 жыл бұрын

They don't care about reliability anymore simply just to sell you spare parts or new cars

Mazda has been doing forced induction atkinson for years. This is nothing new.

@sUmEgIaMbRuS

7 жыл бұрын

Skyactiv-G engines are awesome! No turbo, high CR, Atkinson - now that's a car engine!

@hausmeisterengineering5952

7 жыл бұрын

Yes Mazda's are great! We have one in my family. Actually what I meant to say was Mazda has been doing Miller cycle engines in the 90's. Miller cycle being an Atkinson cycle with a supercharger. 217hp from a 2.3 V6...and this is in the early 90's. No direct injection until DISI though.

@ivannosic9570

7 жыл бұрын

+Ambrus Sümegi %100 agree with you! Mazda 1 of a kind making power, reliability and fuel efficiency without turbo or supercharger assistance is just wonderful!!!

@Bartonovich52

7 жыл бұрын

But they haven't been doing it with Toyotas resale value.

@sUmEgIaMbRuS

7 жыл бұрын

Bartonovich52 If you buy a car for the resale value, you should buy gold instead :P

Not many people are aware of Atkinson's last and possibly best engine which was named the "utlite' engine" Here is a description: Atkinson was able to make a more conventional engine yet preserved the efficiency of having a short compression stroke and a long expansion stroke in a rather ingenious way. It sounds much like a standard 2 stroke except that the exhaust port is located at about the middle of the stroke. The exhaust is prevented from escaping by a timed valve which remains closed until the piston reaches the end of the stroke. Once the valve is opened it remains open as the piston heads toward compression letting air and exhaust escape until the port is covered. a rich fuel /air mixture is injected by a small piston pump at the start of compression. This results in a shorter compression and longer expansion stroke. If you are interested in more information I can provide links and patent numbers...

@vistakay

Жыл бұрын

Interesting. Had to read it a couple times to understand it. Wouldn't the downside be that it has low HP/liter? Does all of the exhaust exit the cylinder on the up stroke?

great technology and power is on the up with these little petrol turbos. This should be good for 150hp once in production and further developed. The large capacity engine is seeing its final days..

I thought they were promoting the otto cycle...

@pabitrikalita3940

3 жыл бұрын

me too bro

I like the idea of continuing to use four cilinders on small displacement, they are better across rev range at low torky and high revy elastic which helps accelerate uphill

@gravemind6536

6 ай бұрын

Much smoother too, I have this engine in a Toyota Auris it has no issues uphill the torque curve is brilliant too 1500-4000RPM you get max torque its a very easy and relaxing drive and it drives like a much bigger engine than it actually is. The only time the engine feels weak is in reverse it seems to struggle more reversing up kerbs and hills. I went from a very forgiving NA Diesel engine to this and expected to be stalling it all the time so was pleasently suprised on day one with just how easy the engine is.

Honda has had roller rockers for decades in their engines.

That is some killer animation!

So they call "atkinson cycle" to a delay in the opening of the intake valves?

Notice all of the efficient compact 4cyl engines NEVER make it across to North America? Our small cars have ancient engine designs even when dealing with similar vehicles!

@Stryke607

7 жыл бұрын

that's true. There are a lot of fantastic small cars here in europe ... every now and then you get to see something small from the US, and by god they are terrible. very badly made and at the technical state of art from like decades ago. Why is that?

@SquillyMon

7 жыл бұрын

A corrupt Government and the Bedroom relations it has made with Big Oil is my guess. Basically...the US has screwed the rest of the world on oil prices and kept ours low. So with cheaper fuel, we still need to sell more of it...so crappy engines...in EU more expensive fuel, more efficient engines. Im sure there are an ocean of economic zombies who figure all this out....but methinks the basis lies there somewhere.

@niclasahlberg474

7 жыл бұрын

more co2 efficient engines makes more small particles. co2 is not dangerous for humans but the small particles are. so it's europe goverments who are corrupt and make our people sick.

@cpufreak101

7 жыл бұрын

There were a few comments up that were a prime example why, there were quite a few people butt hurt over the fact it's not a 6 liter V8. Until 95% of Americans can accept the small engines, they'll be constantly doomed. Under obama's revised CAFE standard it forced automakers to bring them over anyways, and they brought over junk, which turned off many people to small turbo engines, and now with trump wanting to repeal CAFE, well, maybe we can expect the return of 8 liter 150 horsepower V8 land barges that get 3 mpg

@cpufreak101

7 жыл бұрын

Neezy Ko true points. I will admit I am slightly biased to the area I live in, where half the vehicles on the road are trucks, and also Chevy has a giant presence here (thought I'd point that out as you said they're a holdout on keeping V8's) and as for Dodge, I don't think they offer a V6 turbo quite yet on the Ram's, only Ford from what I know (for full sized trucks, since Ridgeline is an I4) and I have a friend who has a 2004 F-250 with the V10, and she loves that thing. And even for us we have a 2006 Trailblazer. Has an inline six engine, but being 4.2 liters that isn't particularly small. The only real exception to all this is my mom replaced her 2007 Malibu (now mine) with a 2014 Honda CRV. 2.4L VTEC. According to the computer gets us 30 MPG combined, trailblazers economy though, it was closer to 14 combined. And for my final comment about the return of the land barge, I say that jokingly, picked it up from a friend of mine after he heard of some of trump's rumored plans with CAFE (which I can assume is the reason Ford brought the 1 liter ecoboost over) Oh and an afterthought, also in my particular part of the states, Displacement is still a marketing buzzword, though for some of the younger buyers it is the MPG's reeling them in. But considering the huge amount of trucks in my school parking lot, it'll be a while for the majority to catch on

I have the 1.0L inline 3 ecoboost engine in my ford focus. It makes 123 hp or 148 hp and I get between 40 -50 mpg.

my 1988 22r engine in my truck didn't quite last 300k. But I had it totally rebuilt. the builders generally agree it's the best and most dependable engine ever made.

@tomthompson7400

2 жыл бұрын

Ring scania or volvo , they wouldnt even think 300k was run in on some of their engines.

@gravemind6536

7 ай бұрын

300k is nothing for a reliable engine. 1.9 SDI 1.9 TDI and 2.0 TDI engines from VAG are notorious for being able to run forever and make 500k miles and still be just fine without rebuilds. Most petrol and petrol/hybrid Toyota and Honda engines easily do 300k miles without issues or a need for rebuilds. I know someone who had a 1999 Mercedes C class 2.0 automatic that easily made over 250k miles before it was sold on without any engine or transmission work and I had a VW Golf 2003 1.9 SDI that I personally sold on at 257k miles without any engine or transmission work, it even had its original shock absorbers and clutch.

@gravemind6536

7 ай бұрын

@@tomthompson7400 Volvo and Scania Truck/Coach engines are made to 1 million miles without too much trouble lol

@burtvhulberthyhbn7583

7 ай бұрын

The first 215k miles predated my ownership. Before I bought it it was stolen and rolled. I'd bet that was why the engine barely made 300k

@tomthompson7400

7 ай бұрын

@@gravemind6536 and not an oil bath timing belt in sight .. a truck doing trunk work can do quarter of a million miles a year with only oil and filters ... so why can't cars make it to 50k any more ... emissions .

And here I thought for all these years that using Atkinson cycle with a turbocharger was called Miller cycle. Silly me.

@CSLFiero

Жыл бұрын

Haha i always thought it was counter intuative to have your pistons compress against your turbo, but

This engine needs to go in the U.S spec yaris for sure.

@gravemind6536

Жыл бұрын

This engine never did make it to the Yaris anywhere which is a shame because its a wonderful engine I drive the Auris which has it.

Such a great animation. The creator is high talented

the crank doesn't stop halfway ;). it's saying that the compression stroke starts later in the Atkinson cycle - notice when the valves close for the both of them

why didn't you guys make the Corolla a 1.8 turbo? :c

Doesn't the turbo turn it into a "Miller cycle"?

@EatPezzzz

8 жыл бұрын

+Berend H. Yes, this is much more like a Miller cycle. The Atkinson Cycle is completely different than what's in this animation.

@kidneystevens6819

7 жыл бұрын

Miller cycle is atkinson cycle with a supercharger, not turbocharger

@johnlucas2037

7 жыл бұрын

Not many people are aware of Atkinson's last and possibly best engine which was named the "utlite' engine" Here is a description: Atkinson was able to make a more conventional engine yet preserved the efficiency of having a short compression stroke and a long expansion stroke in a rather ingenious way. It sounds much like a standard 2 stroke except that the exhaust port is located at about the middle of the stroke. The exhaust is prevented from escaping by a timed valve which remains closed until the piston reaches the end of the stroke. Once the valve is opened it remains open as the piston heads toward compression letting air and exhaust escape until the port is covered. a rich fuel /air mixture is injected by a small piston pump at the start of compression. This results in a shorter compression and longer expansion stroke. If you are interested in more information I can provide links and patent numbers...

@Luistorres-wm4kb

7 жыл бұрын

I'm Interested!!

@johnlucas2037

7 жыл бұрын

Here's a link to the Charon cycle books.google.com/books?id=XQEUAAAAYAAJ&pg=PR22&lpg=PR22&dq=charon+cycle+engine&source=bl&ots=I7rragM6KP&sig=uDXprUG5xGHItZ_Enpqwrroe_eA&hl=en&sa=X&ved=0ahUKEwjrq-_elrbOAhVB3mMKHVJ7ACkQ6AEIKTAE#v=onepage&q=charon%20cycle%20engine&f=false page 152

I assume the shorter compression stroke is for "normal" loads, and the valves can close sooner when you need more power?

the music sounds so revolutionary

High torque at low revs small displacement turbo engine ??? a bit like like top shelf reach midget guy !!!

@ericcampbell2360

7 жыл бұрын

e.g. Smith HAHAHAH

@mattjd1986

7 жыл бұрын

136 lb ft or 184Nm @ 1500-4000 rpm if you're interested

@egSmith-sp9gl

7 жыл бұрын

the 1.2l toyota is 114hp 136lb/ft the 1.0l ford is 123hp 148lb/ft the 1.4l VW twincharger is 182hp 184lb/ft ....all of em got pretty good torque for small displacement turbo engine !!!

@mattjd1986

7 жыл бұрын

***** that was for torque, not power.

@TheDrakenZ

7 жыл бұрын

a turbo-charged, high torque motor used for low rpms? sounds like a diesel to me.

It`s not Atkinson cycle. It`s Miller cycle.

@atsernov

7 жыл бұрын

Atkinson and Miller are basically the same cycle. Atkinson invented the cycle, Miller then optimized it with a supercharger some 70ish years later. Also, this engine has a turbocharger, not a supercharger like a Miller. Meaning that out of boost, it is just Atkinson.

@supkrovisupkrovi

7 жыл бұрын

atsernov Yes. You`re right. There is different info in russian and english articles. I meant original Atkinson engine has a complex system to turn crankshaft, while Miller is just a regular Otto with different timing. But now I see - the main difference is a supercharger.

@doktorbimmer

6 жыл бұрын

+Turb617 *The turbo doesn't have a supercharger built right in? There was last time I checked one*

@doktorbimmer

6 жыл бұрын

The addition of a Turbo-supercharger indeed makes it a Miller Cycle... not an Atkinson

as long as it hasnt got a timing chain that came off a pedal bike and a load of plastic guides , has hung onto big end shells with locating pegs and hasnt got an oil pump driven by a hex key , it may stand a chance.

Full counter crankshaft. Very good.

Please no water-cooled inter-coolers. They eventually all corrode and then there is water everywhere in the engine. This must be a way for the car manufacturers to sell more parts. These water-cooled inter-coolers only last about two months longer than the warranty. We already have problems with these on auto gearboxes.

@ovalwingnut

7 жыл бұрын

re: Water-cooled oversight. Oh snap! How did I miss that small detail... I was planning a air->water and it NEVER occurred to me that if there is a radiator failure (and some day there will be) it will be catastrophic to the internals of the ending. I don't know how I missed that. GR8T bit of advice DVan. Will have to mull this over. Thanks! Peace.

@Silentalarma

7 жыл бұрын

I wonder how the Subaru AWIC systems are still working as planned. Either Subaru sold 1st gen Legacy turbos with the longest warranty ever on cars, or they actually do work and last when done properly and maintainded like they are supposed to, i.e. changing the coolant when the manual says so to prevent the corrosion.

I can't seem to get past... 1:03 i.e. "The piston stopped half way of the compression stroke" (if I read that right - no sound at my end).. I went back and watched again. Not getting it. Maybe I'm reading to much into it.. If not, that is one AmAzInG crank shaft :O)

@sotaros93

7 жыл бұрын

That is when the engine turns off at a red light.. It clearly says start-stop strategy..

@ovalwingnut

7 жыл бұрын

Oh snap. Clearly my age prevented me from thinking it was anything "but" a IC/constant run engine.. my bad. I'll do better next time. At least my piston motion (PM) theory was valid. Palm in face. - Thank you for getting me on track. Cheers. Randy

@josephp3403

7 жыл бұрын

I'm having a hard time wrapping my head around that too. How is that possible without stopping the crank? Variable crank?

@CallFor911

7 жыл бұрын

OvalWingNut no problem I don't get it either... All at all its just 1.2L Turbo motor. Assuming the parts are not made for log life period...

@mareksumguy1887

5 жыл бұрын

Theres nothing to get. The retards who made the animation have no idea what they're talking about.

There's this wonderful way of communicating concepts... it's called words. You should really look into it some time.

Excellent animation.

good, now make it 6.3L and we talkin.

@Ravenlord79

7 жыл бұрын

moondarck everyone knows that its impossiple to americans to made working small engine. lack of knowhow.

@dspicerj

7 жыл бұрын

Ravenlord79 Americans do make small engines it just that we can also choose the larger ones too unlike most European countries why drive a 1.0 when I can have a 5.0?

@dacasman

7 жыл бұрын

Because the saying "there's no replacement for displacement" is pretty much null in this day of age. Why have a large, heavy, inefficient engine when you can have something a lot smaller and more efficient with a turbocharger that can make similar power as a larger heavy more inefficient engine? It's this antiquated way of thinking that holds back America from advancing forward like the rest of the world.

@PENETRATEONTIME

7 жыл бұрын

dacasman you got it mate ! Greetings from germany

@henryrollins9177

7 жыл бұрын

dacasman this modern and complex engines will die after 200-300k kms and even before if any light lack of maintenance happens or any fuel/oil quality problems are present, while bigger and less efficient engines will keep running for many more kms, withstand heavy use and poor maintenance. Personally i prefer reliable and simpler engines.

I see ZERO Difference in the start of the compression stroke between these two....despite the blue line that coaches you to believe the one on the right starts earlier... Am I missing something? Going to watch a few 100 more times here...

@Nobodyrocked

8 жыл бұрын

0:47 Look at the intake valve.

@joshuagathright9313

8 жыл бұрын

+SquillyMon The Atkinson cycle causes the intake valve to be open longer, into the brief span while the piston starts its upward movement from BDC to TDC, therefore letting more air in, which causes compression to go higher, thus allowing more fuel to be added (or the same amount, depending on load, throttling, etc.), thereby increasing power output without changing crankshafts, pistons, adding a turbo, etc. Just swap out the camshafts and you're good. Source-a college student who took a Thermodynamics and Internal Combustion Engines class.

@SquillyMon

8 жыл бұрын

AH HAH!!! I was distracted by the shiny/fancy blue line... I get it now

@Nobodyrocked

8 жыл бұрын

+Joshua Gathright You got it wrong, Atkinson cycle work on low compression and long power stroke. The intake valve open a little longer to let some air/fuel mixture OUT of the engine.

@SquillyMon

8 жыл бұрын

Why would you ever want to let some of the air fuel mix OUT of the engine. This is the problem with traditional 2 strokes. I do see the intake open longer but the reason must be different than letting air fuel out of the engine...

Whats is exacly the difference shown in the video between Rowan Atkinson's and Otto's compression stroke?!

seems that injection occurs behind intake valve and not straight into cilinder? so its not a direct injection now is it..?

it's early in the morning but why is the animation turning backwards? The timing chain is getting pulled on the tensioner side... wth?

@4bikeregistry

7 жыл бұрын

Good eye!

Pretty soon their reliability is going to be like BMW's,I love BM's but wayyy to many parts that would fail, look at Honda, they are having a lot of problems with their transmissions and some engines, goodbye good old simple days.

@daniel27560

7 жыл бұрын

yes

@jakthesmack

7 жыл бұрын

Agreed. Had a '98 civic CX and beat the shit out of it for years. Other than regular maintenance, only money I had to put into it was $4 for a new thermostat, replaced in about 15 minutes at home. It had over 340,000km on it when I sold it to a buddy and he still drives it. I personally put over 200,000km on it in the years I owned it. Good luck running a new civic that cheap hahaha

@aefwaefwe5737

7 жыл бұрын

The only car I know of still made today that somewhat resembles the simple Japan cars from back in the day is a manual transmission yaris. Not very fast but you can beat the snot out of them and they hardly ever break

@joshneves1759

7 жыл бұрын

European cars stink in general and Honda's always had trans problems, Toyota's are good but American cars just seem to last

@joshneves1759

7 жыл бұрын

I agree with that but the work quality is gone, it just needs to last longer than the warranty and they are happy today,

Wish all the manufacturer tech manuals and parts lists were this detailed.

Good springs Work.... 👍

I prefer the Otto cycle.

so a engine by mr. bean, isnt it? badumm tsss

I created a motor with one liter of 100-150 liters.I pull it out without inflating and the consumption of 3-4 liters in the city, there are almost no exhaust gases and this is without a catalyst.

The four stroke cycle engine is called an Otto cycle engine after Nicholas Otto the inventor. They are both four stroke engines. Changing the valve timing relative to the exhaust and intake valves called valve overlap is as old as the internal combustion engine itself. Street engines are designed for the best compromise among efficiency, reliability, noise, power and torque. Engines in recent decades have increased the number of valves per cylinder to effectively have more air fuel mixture enter the cylinder earlier as well as change the valve timing over different rpm ranges to better tune the overall performance of the engine with respect to the demands placed on it by different driving and atmospheric conditions.

slap two together? 2.4ltr high tech v8 :D

@zoidberg444

7 жыл бұрын

PhunkBustA Triumph did that with the stag. It wasn't a V8. It was 2 Morris 1000's slapped together and it was the biggest peice of shit they made. Shame as well. The car wasn't bad.

@PhunkBustA

7 жыл бұрын

Ive heard this before, that the stag v8 was a real pos, i know a guy who's put in a built v8 (dnt know what) but he loves it, reckons it was well worth the money

@zoidberg444

7 жыл бұрын

PhunkBustA He actually probably said Buick. They made a popular V8 that Rover ripped off for its V8 engine. The design of that engine hasn't changed all that much in 40 years.

why dont they make a gas engine with the same internal strengths of a diesel so you can run a huge compression ratio, and have it direct injected like in this vid but inject it right before tdc so no detonation????

@martinbratton4251

7 жыл бұрын

That's exactly what i thought....

@1337ASM

7 жыл бұрын

knock, or pre-ignition. HCCI is the next real step in efficiency.

@rileykirk11

7 жыл бұрын

SamBell thats why we should use direct injection...no detonation

@akupehsluarketatAR

7 жыл бұрын

toyota makes family cars for daily driving. high comp ratio requires high grade fuel which cost more. dun think a regular family guy wld wanna drive something that would feed on expensive fuel daily.

@rileykirk11

7 жыл бұрын

akupehsluarketatAR you can run 60 octane from soviet russia if you could design a direct injection gas engine and have rediculously high comp ratios

I work for Toyota and haven't heard of this engine yet, have to go on TIS and research this or and my field rep.

There showing that there increasing dwell time at TDC to help combustion efficiency. This is accomplished with the proper rod stroke ratio. This is pure marketing at its best.

Where are the 8 Giant batteries that go with that engine?

Err, so the compression starts later but to compensate the lack of it they slab on a tiny turbo to get low rpm torque. Such a contradiction : (

@jamescree6331

7 жыл бұрын

YOU'RE a contradiction.

@dvddvd8719

7 жыл бұрын

meeeeeh

@rayray2185

7 жыл бұрын

I imagine that they use much higher static compression and then lower the dynamic compression to reasonable levels with the late intake valve closing. Thats what Ford and others do with some PZEV engines.

The valves stay open a fraction of a second longer letting in more air creating more pressure & horsepower but what is the cost of that in the long run?

i refuse to click on the ads in this video because of the thumbnail that is intentionally made to be clickbait

Mr. Bean should be proud...

so it starts compression later.....wow. no explanation, no numbers or fact to show how it's a good design, just a half way decent animation.

@KRAUSER0130

7 жыл бұрын

I was wondering how the hell can compression start later, it starts as soon as pistons starts going up, after intake stroke.

@marcothephoenix2904

7 жыл бұрын

allows the intake valve to be open for longer letting the cylinder get more air. (increasing energy efficiency)

Soooooooooooooo the intake valve closes later... after the piston has already started moving up? Wouldn't that just reduce compression/power?

So, realistically, the different cycles are just engine maps? Tunings of an engine that allows it to do different things at different times with advantages and disadvantages that go along with them. Though, I'm sure some engines only run one type of each cycle, and some very expensive ones can map to multiple?

I'll stick to my 6.2l Hemi thanks.

@MadbencoFS

7 жыл бұрын

Thee Adjudicator Hahah. Loser.

@yannikmeister

7 жыл бұрын

Mad Benco why?

Damn, why so many plastic engine parts?

@shxkn

7 жыл бұрын

Qasim Mir because with contact to oil and all the heat cycles it'll be exposed too, it'll break sooner and need you to go back to them sooner to charge you mad money for parts and even madder money for labor. And as shit breaks and the bill goes up you'll be like "man fuck this I'm gonna go buy a new car" and be talked into the lease option because you don't wanna buy another car that's gonna give you the same bullshit, and then you become a part of this cycle where you lease every few years. Them putting plastic in the engine is a cheap and profitable investment for the future to move cars. That's why so much plastic. And I hate that all the manufacturers are doing it.

@qasimmir7117

7 жыл бұрын

Sharod101 Yeah I hate too, that is why I like to stick to old Hondas.

@yordy20091989

7 жыл бұрын

Yeah i use old Honda engine (00) and i can tell you they are unkillable.

@qasimmir7117

7 жыл бұрын

Yordy Puttanox YES! Those engines are my favourite.

@mastertek383

7 жыл бұрын

Sharod101 Absolutely correct. I'll keep my old D17

8.4L V10 From Viper love this engine to. XD

can someone explain why you would want to have mulitple injection? you're getting less fuel in to the cylinder when you pause the injection of the fuel, when you could have just injected it all at once.

I'd rather worry about battery degradation over time than having to deal with the carbon from direct injection.

@cleitonfelipe2092

7 жыл бұрын

hellcat1988 lol

@Fendervana

7 жыл бұрын

a few gallons of 119 octane will clean any carbon.

@michaelclift6849

7 жыл бұрын

Yes. Clearly these two options are related and mutually exclusive.

@Thaggard_is300

7 жыл бұрын

just use a little water/meth injection to pick up some hp and cleans the engine. no problem

@jake20479

7 жыл бұрын

+Brandon Thaggard hell even water alone would help.

if it's a 4 stroke then it's an otto cycle engine!! it doesnt matter if you tweak this or that.. it's the same as saying that otto engines have to have carburettors because they did when otto invented them..... suck, squeeze, bang and blow.. this is what makes otto.

so your loosing half your compression stroke because the intake valve is staying open? how is that good?

so ur tellin me the intake valves stay open a lil bit longer

This is not an Atkinson -engine - its not even close - Atkinson have longer expansions strokes than inlet

@MrBenstero

8 жыл бұрын

+Trev S hence why the intake valve stays open longer. It reduces the compression stroke. It isn't exactly what was developed by Atkinson but the way it works is the same. It just uses today's tech to reduce the amount of moving parts.

@trevortrevortsr2

8 жыл бұрын

MrBenstero No it doesn't - Atkinson has an extended mechanical contrived expansion stroke and a convention if somewhat reduced induction stroke - the induction flows in one direction - this engine simply allows induction blow back to waste part of the stroke which not only stalls the induction flow but reverses its flow - the result would be pretty disastrous somewhat like a race cam with massive overlap being used on a slow reving cooking engine

@1MtnBoy

8 жыл бұрын

+Trev S While not a traditional Atkinson cycle in the definition of using a mechanical link to the crankpin to differ the length of the stroke. It does exactly the same by holding the intake valve open longer, so it is open during the first portion of the compression stroke the end result is precisely the same. Reduced air charge during the compression stroke has the same net effect on reducing the load on the piston during the compression stroke, which is exactly what the Atkinson cycle does by shortening the length of the compression stroke. So..................yes it does. I think the engineers perhaps know just a bit more than you do, otherwise similar engines that hold the intake valve open longer, such as the Fiat "Multi-Air" engine, wouldn't work either. Since they most assuredly do ? One can safely infer you are incorrect in your assumption. Holding the intake valve open longer during the "compression" stroke, not the end of the exhaust stroke as you incorrectly referred to as "reverse flow". Does not cause this, since we are talking about the compression stroke, what it DOES do is reduce reverse pumping losses at low engine RPM. You need to remember this is the compression stroke we are altering, not the end of the exhaust stroke. The "Overlap" you are referring to only occurs at the end of the exhaust stroke, not the beginning of the compression stroke as this engine, and an Atkinson is differing. These engines are altering the beginning of the compression stroke, not overlap on the end of the exhaust stroke / start of the intake stroke. By reducing the air charge during the compression stroke it greatly reduces reverse pumping losses on the compression stroke, we do not need to extend the power stroke to create a delta between the two. All one has to do is create the same net effect as a short compression stroke to have a longer power stroke, compared to the compression stroke. The incoming air charge does not do an about face when faced with the rising piston, it simply is not compressed as much since the beginning of the compression stroke occurs farther away from BDC than it normally would if the intake valve was closed sooner. Getting it yet ?

@trevortrevortsr2

8 жыл бұрын

***** Guess you & your backers going to learn the hard way

@1MtnBoy

8 жыл бұрын

+Trev S "Backers" ? LMAO. It's called 30+ years as a mechanic & almost as many years building GT3 & 4 engines for SCCA competition. You demonstrated your lack of basic engine fundamentals when you compared it to valve overlap. Any amateur knows the incoming air charge has enough inertia to keep filling a cylinder with a rising piston, not do an about face and march back out the intake port. Just like your big fat cam at low RPM, the air charge still has enough inertia, even in the stagger, stumble & lurch range. No wonder you're confused.

so is this shit good?

@rulke4752

7 жыл бұрын

droitega Not much power but a nice engine. I'd put one in my 84 corolla for a bit of extra power lol

@TemKaaA100

7 жыл бұрын

all 4 cycles for 1 crankshaft turn - Atkinson 4 cycles for 2 crankshaft turn - Otto

@Choochinc

7 жыл бұрын

That's not what the Atkinson cycle is. Atkinson cycle just holds the intake valve open past bottom dead center to shorten the compression stroke.

@Drewbyy

7 жыл бұрын

That's not true. That two stroke and four stroke your confusing

@cjeam9199

7 жыл бұрын

Redstern 837 that's it?

No valve overlap on either? I thought this was crucial for the otto cycle?

we should use turbo electric generators. instead of using it for forced induction you could feed the electic power back into a motor to assist the engine like the original honda insights electric drive system (electric assisted engine) plus you wouldn't need a big battery or you could use it for auxiliary power for things like the AC which would take load off the alternator or even remove the need for an alternator. You might even be able to have a direct drive turbo which uses a basic CVT to keep the turbine at its optimal Rpm while transfaring the power you recover from the exhaust back to the drive train

Another overly complex engine that will have costly parts to replace! I give it "outdated/useless engine of the year" award and let it be done with.

@user-po6hn9id1t

7 жыл бұрын

it's Toyota

@MrFearless84

7 жыл бұрын

is that good or bad. I generally have neutral opinion of Toyotas. I think they are neither good or bad. Just cars for the masses.

@user-po6hn9id1t

7 жыл бұрын

Georgi Galabov Toyota if you opened a lexicon, is the synonym of reliability...

@MrFearless84

7 жыл бұрын

In my personal experience the synonym of reliability is Honda. :)

@user-po6hn9id1t

7 жыл бұрын

Georgi Galabov more like rpms to the stratosphere...

thats not the atkinson cycle lol

@cmtengineeringservices8068

7 жыл бұрын

What is actual atkinson cycle ?..

Is this in response to nissans DIG T-r engine?

Love this.

I don't see any difference with an engine of 30 years ago, it's just an old suck bang fart engine in a new jacket. Go electric!

@productivitygod7887

7 жыл бұрын

i bet you're also vegan.

i do not see the difference in this atkinson cycle, which makes the video a little pointless

@bagelbytes69420

7 жыл бұрын

Its more efficient but less power dense. An engine with the otto cycle at this same size, all other factors remaining equal, should make more power than one using this atkinson cycle. The main difference is that the intake valve is left open on the compression stroke to lower the effective compression ratio, and force the pressure at the end of the power stroke to be at or around atmospheric pressure, ensuring that as much of the usable mechanical energy as possible was harnessed.

@atsernov

7 жыл бұрын

The difference is strictly in when the intake valves close. I agree this video does not do a good job of explaining the difference. Hard to follow unless you are already somewhat familiar with these cycles.

@MrKdr500

7 жыл бұрын

yes it's pointless, electronic ignition.....:p

@saif1002

7 жыл бұрын

Gigaguenther you are right,The Atkinson cylcle engine was a 6 stroke.

@saif1002

7 жыл бұрын

atsernov my Kawasaki ninja motor bike engine intake valve closes 50 degrees after bdc does that mean it has Atkinson cycle?

che programma si utilizza per realizzare un video del genere?

Doesn't forced induction make this a miller cycle?

ecoboost is better

@MrRedskins0021

7 жыл бұрын

Better for the mechanics. Those motors will not make it past 200k

@marcelk3847

7 жыл бұрын

Much better performance. For sure they can last 200k. It depends on how you drive your cold engine.

@MrRedskins0021

7 жыл бұрын

Marcel K No they won't. Ford is one of the most unreliable cars that you can buy. That is a fact. Look it up

@marcelk3847

7 жыл бұрын

Maybe, but the engine is still better

@bobsagit10

7 жыл бұрын

Marcel K have you seen eco boost engines? They are incredibly unreliable. Ford is literally getting sued for it 😂😂 Because their engines go into limp mode for humidity build up.

did it say it delays the compression stoke?

at :48 where the compression stroke begins, the valve is still open allowing some air/gas to escape..how is this better in the Atkinson?

@MajoNos

7 жыл бұрын

You have less air than set amount by each cylinder, therefore you have to inject and burn less fuel, when power is not needed, improving fuel economy.

@daisyduke5121

7 жыл бұрын

it means that at the end of the power stroke the pressure inside the cylinder is closer to ambient so there isn't as much power being lost out the exhaust, hence better fuel economy

I didn't authorize this engine to be built but carry on. On a side note how about this motor in a prius?

Will this engine also get stuck on full throttle even when the driver wants to stop the veicule !?

Still going to have carbon built up on the intake valves regardless

if toyota builds it, it will be quality.

Simply wow

Is it really running ccw? Car engines usually run cw, industrial and some boat engines ccw.

What software to use ?

i love my toyota auris 1.2 nice city car

So I need to buy 2 of those, double the displacement of each one and stick them together at an angle of 90°. Then take the turbocharger out and boom, I've got a nice engine. Also a cross-plane crankshaft would be adviced for that sweet rumble noise.