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Thread replies: 151
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https://vimeo.com/145498720

Koenigsegg does it again.

The Freevalve™ engine gets rid of the camshaft and the throttle body, replacing it with pneumatic actuators on top of each cylinder.

SOHC? DOHC? How about NOHC

Thats right, no cams.

That means a square cam profile. Which in turn means more torks.

It also means valve deactivation and tunability on the go.
>>
I can't buy it for less than $5k?
I don't care
>>
>>14202196
>what is trickle down technology
>>
>vaporvalve
meanwhile fiat multiair is essentially the same shit and its horribly unreliable
only interesting thing is that its in a supercar and it migth not be shit
>>
>>14202203
If I can't have it now then I don't care
I hope it fucking fails
>>
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>>14202235
>but moom i want it noooooooooooooooow
>no jimmy your a faggot shut up
you
>>
Is this something new or has it already been done in racing?
>>
>>14202240
I can't buy one sports car for less than $5k
I don't care about their bullshit engine for rich people
>>
>>14202241
the pneumatic valvetrain that F1 cars is a little different

>>14202251
youre a huge faggot. i swear this poorfag ruins every thread.
>>
>>14202196
>>14202251
The point is it exists now and will turn up later on. Are you incapable of just enjoying advances in technology?
>>
>>14202286
dont worry i was the same way when i was 15 he's just a huge faggot
>>
>>14202180
Koenigsegg seems like they're full of gimmicks now. The One:1 wasn't anything new if you really break down all the flashy angles Christian throws at you into less dramatic terms. Honestly I like Koenigsegg but at the same time I see through their bullshit. Nothing in those cars are revolutionary and even this has been done in formula one for decades now. there's literally no other way to get a motor to rev that high than to replace the spring with nitrogen chambers. Look into formula one valvetrains.
>>
>>14202307

This. And the whole "freevalve" thing was done a long time ago, that video is pretty old.

Never heard another word about it. Where is it?

I even have the same engine, so if they would actually produce something I would have a use for it.
>>
Bump someone suggest a sports car
>>
>>14202307
someone is salty
>durr everything has to be NEW
what do you want them to make square pistons or reinvent the wheel literally?

Automotive tech is evolutionary by nature

>>14202312
Try making someone reliable in this day and age and get back to me

Faggots both of you
>>
>>14202318

You didn't even read what I typed, did you nigger?
>>
>>14202307
I get what you're saying but disagree. A lot of this stuff hasn't been seen in a road car. The One:1 was mainly cool because it was a 1:1 car that wasn't a shit box from the 80s with a turbocharged LS1 shoehorned into it.
>>
>>14202324
Get fucked i dont get the problem you have they are bringing F1 tech to road cars...

Whats the problem?
>>14202337
hahah this
>>
>>14202341

All I said was if they made it available I would probably buy it since I have the same engine and you waddle your fat ass in here and go LOL FAGGOT!1
>>
>>14202350
>you
>buying shit
kek sure
>>
>>14202203

I wonder if this will trickle down into diesels. Torque is king.
>>
>>14202357
>wanting to make a reliable engine more unreliable
i dont know why people are so obsessed with over complicating engines

Pushrod, OHC and DOHC all have their applications and anything beyond that including VVTI or 2+ stage variable cam timing is not needed
>>
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>>14202366

Dont get me wrong, I love mechanical diesels, but I suppose I should've said Im curious how much more torque could be wrung out of diesels with this set up. Calm your tits, you're as bad as the poor kids up there.
>>
>>14202378
but thats like putting VVT on a ls oh wait
>6 year old article
>even gm didnt bother
http://www.hotrod.com/how-to/engine/hrdp-1007-gms-variable-valve-timing-system-performance-test/

besides diesels are almost at the limit of what they can do
>>
>>14202378

Large frame marine diesel engines can be found with hydraulic poppet valves replacing cam driven valves.
>>
>>14202180
Not as good and simple as Multi-air will take another decade or two to implement in all vehicles - at that moment ICE's might not even exist anymore.

As said, Multiair sounds like a better idea, especially with a V engine and a single cam in the block's valley. Using a camshaft to generate a modifiable hydraulic signal that pushes the valve open sounds like a better idea then using electrohydraulics, at least in a passenger car configuration.
>>
>>14202392
is it reliable?
>>14202395
>Multiair
Yeah nah their known for catastrophic failure from 40k km upwards
>>
>>14202392

Nice

>besides diesels are almost at the limit of what they can do

>Not taking things up to and beyond the limits.

I must be typing to a europoor.
>>
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>>14202318
>square pistons

why not?
>>
>>14202407

Absolutely it is reliable. However the systems are large, require PTO for hydraulic pumping and generate heat that must be cooled with auxiliary heat exchangers.
>>
>>14202419
>muh oval pistons
>>
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>>14202419
>>square pistons
>>
>getting fooled by the king's egg hoaxes

kek
>>
>>14202209
Multi air is hydraulic and uses a camshaft.
Because its hydraulic, valve lift is influenced by oil viscosity.
So if the oil is hot, or you put in a different grade the valve lift will change.
>>
Eh.

I'll stick with my SBC and SBF engines.
>>
>>14202419
1) sealing
2) indicator for effiency: enclosed volume/size of surface
sphere = best
cylinder = okay
cuboid = shit
>>
>no triangle shaped pistons
>no star shaped pistons
>no 4 cylinder engine with each cylinder a different letter spelling the word "FART"
why even live
>>
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That's nice and all, but pneumatic valve retrofit kits for mass market engines when?
>>
>>14202180
what kind of effect would this essentially square cam profile have on the gas flow (incosistency, turbulence) in/out of cylinders as the valves open/close
>>
>>14202984
Dont over think it pal.
You cant actually run square wave because of valve train limitations.

The benefit comes from variable duration and lift and moveable centre angle.
Plus the benefit of throttling the engine with the valves, not the throttle plate reduces pumping losses.
>>
Its all fun until the electrics fuck up. Rather have mechanically driven valves over this..
>>
>>14203017
You're thinking of electronics. Electrics never fuck up unless they burn a fuse in which case replace the fuse. But hey, your choice, enjoy readjusting your carburetor weekly and needing a miracle to start the engine in winter.
>>
>>14202419
Thermal efficiency and localised hotspots.
>>
>>14202180
what does that shit mean. lost me after camshaft
>>
>>14202392
>Redline of 83rpm...
>>
>>14203058
>enjoy readjusting your carburetor weekly and needing a miracle to start the engine in winter.

Obviously never owned a carburetor powered vehicle.
>>
>>14203114
And 10x more power than every car you'll ever own added together
>>
>>14203058
Winter starting my 3 different engines
>EFI 1
crank-crank-crank-running
>EFI 2
crank-crank-crank-crank-crank-crank-running
>carbureted
crank-running

carburetor voodoo is a hell of a thing when it works right
>>
>>14202395
>Using a camshaft to generate a modifiable hydraulic signal that pushes the valve open
Rhoads lifters have been around for 40 years.
>>
>>14202180
konignog can shill this as much as he likes, until it's for sale in a car it doesn't matter.
they've been merely talking about it forever so it's vaporware.
>>
>>14203135
like the valve spring gives a fuck
>>
>>14202203

And Reaganomics worked for everybody that wasn't rich. The End.
>>
who cares

just give me better battery technology

these snowniggers are retarded for wasting time and money on ice
>>
>>14203865
ice is cool
snowniggers know about cool
>>
>>14203860
>seriously equating trickle-down technology to trickle-down economics

you are fucking clueless about anything
>>
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>>14202180

>mfw all this time GM did the right thing by holding out with a compact OHV design that could transition into a compact camless engine with maybe the next generation or two ZR1
>>
>>14203892

Give it 15 years; after they do the low displacement Tri-turbo engines, the Europeans will start using NOHC engines but with a hell of an upcharge (if German), and of course Honda and Toyota will start using the technology in new econoboxes.

But of course rhe technology exists, it's not like the technology is sold ONLY to the 1% of manufacturers to benefit at the expense of everyone else somehow.
>>
>>14203865
The regera is the (non-series) hybrid that ever looked interesting, due to nogears.

Corny eggs will keep using ICE until it isn't the fastest thing they can make anymore, which might be a while but I wouldn't be surprised if the proportions are suddenly flipped next (ICE as more range extender than power).
>>
>>14203017
does it matter when your steering, e-brake, fuel control, throttle, and all the sensors are controlled by a computer already?
>this is the future we deserved
>>
>smaller head size
>No more DI
>no more timing belts or chains
>more power
FUCKING BASED


and yes they've had it working for a while now. They said they could have released gen 4, but they're on gen 6 now because they wanted to make it better and cheaper.
>>
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absolutely based

this is like vtec or vvl but on a whole new level
>>
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>b-but muh pushrod engine is smaller
>muh 2 valve per cylindermake more toque

PUSHROD KEKS BTFO AGAIN!!
>>
>>14204135
everyone else will just design the appropriate engine from scratch
>>
>>14204731
Sorry to say, but valvetrain shitposting is officially over now. This beats everything in every aspect.
>>
>>14204135
What if Chrysler puts Multiair on the Hemi instead? They've got the technology right now, wouldn't take two generations, more like two years.
>>
>>14204746
apart from existing
>>
>>14204679
lel

ppl work on camless valvetrains as long as on valveless heads. nearly 100 years.
so far nobody developed something really usable. i d shit butterflies if Koenigsegg overthrew everything.
>>
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>>14204135
>implying manufactures cant simply open the 3d file of their engines, delete the timing belt or chain section and design the new valves and cast it

GM and chrysler has to design new 4 valve heads, most if not all manufacturers wont need to dummy
>>
>>14204767
This does exist. I'd expect to see it on every new car within 5 years.
>>
>>14204773
>technology was the same 100 years ago
>>
>>14204780
Comedy gold.
>>
>>14204805
According to them, test mules (I think BMW 3 series) have logged tens of thousands of miles.
>>
>>14204817
it was a saab
>>
>>14204779
No Chrysler does not. They could release the 5.0 Pentastar V8 that is listed in the patents. Hell, a smaller (ie shorter) head is already in production for the V6. Wouldn't be a stretch to make that design camless and solves the 2v problem. I don't see it happening any time soon, a Multiair PUG is more likely but you never know.

Source: My grandfather was a Ramcharger.
>>
>>14204785
It never changed in its main principles. it never did, it never will.
>sealing of a translational movement
>acceleration of a 150-200g valve with like 200m/s^2
>feedback control through a gas. what is stiffness?
>>
>>14204817
they did that 10 years ago and we're still waiting for them to "work out the small details"
koenigsegg are too poor to EVER bring this to market.

>>14204831
stop confusing him

>>14204823
my great uncle was a citroen
>>
>>14204865
They say they've been refining it. I think the Saab was gen4. Gen 5 was better, but more expensive and harder to produce. Gen 6, the new one, is a smidgen better than 5 and cheaper.
>>
>>14204875
6 iterations? lmao a real manufacturer would do that in under a year
>>
>>14204898
I don't think you understand how research and development works.
>>
>>14204915
do you really think 6 prototypes a year is a big deal?
>>
>>14204932
When you're designing completely new technology it takes time. Sometimes it just needs to wait for another advancement to progress as well.
>>
>>14204915
>tfw already worked in automotive R&D during bachelor studies
>>
>>14204942
one might believe this if they only experienced one working environment.
in truth, delphi, denso, bosch would make the same progress in a year that cargine made in a decade
>>
>>14204932
As some one who's worked in r&d on engines using multiair, 6 iterations a year is a pants on head retarded statement to throw out there.
With a constantly variable valve train can you imagine how long to takes to run sweeps for lift, duration and centre angle, boost and ignition timing?
Plus compression ratio changes and different octane testing?

We were testing 16 hours a day. I ran the engine 8 hours a day for 9 months before we had the combustion system change. And then engine grenaded (piston broke at the boss around the pin) and we had to wait like 6 weeks for the prototype head to be repaired, and rebuild a new bottom end with used parts.
>>
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>>14204831
>>14204865
>"it totally could have been done 100 years ago"
>yet no one did despite several attempts
>>
>>14205006
and it's still an unreliable piece of shit.
why don't you brag some more about fca's fundamentally flawed design and testing processes
>>
>>14205035
Oh god yes. Its crap, it would lose its shit all the time. Lost phase angle, arbitrary valve lift, inconsistent duration.
Just use a fix'd cam, its nice and simple.
>>
>>14205070
work for a real company
>>
>>14202386
>Almost at the limit of what they can do

Fugging lol this is hilarious.
>>
>>14202984
JUST ADD VORTEC BRO
>>
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Cited PatentFiling dateIssue dateOriginal AssigneeTitleUS4200067May 1, 1978Apr 29, 1980General Motors CorporationHydraulic valve actuator and fuel injection systemUS4206728May 1, 1978Jun 10, 1980General Motors CorporationHydraulic valve actuator systemUS4715330Apr 11, 1986Dec 29, 1987
Electromagnetically-actuated positioning mechanismUS4715332Apr 11, 1986Dec 29, 1987
Electromagnetically-actuated positioning systemUS4721075Dec 12, 1986Jan 26, 1988Honda Giken Kogyo Kabushiki KaishaDiesel engineUS4785787Apr 20, 1987Nov 22, 1988Kloeckner-Humboldt-Deutz AGFuel injection mechanism for an internal combustion engineUS4791895May 18, 1987Dec 20, 1988Interatom GmbHElectro-magnetic-hydraulic valve drive for internal combustion enginesUS4899700Feb 8, 1988Feb 13, 1990Magnavox Government and Electronic CompanyPneumatically powered valve actuatorUS5022358Jul 24, 1990Jun 11, 1991North American Philips CorporationLow energy hydraulic actuatorUS5117790Feb 19, 1991Jun 2, 1992Caterpillar Inc.Engine operation using fully flexible valve and injection eventsUS5125370Jun 18, 1990Jun 30, 1992Isuzu Ceramics Research Institute Co., Ltd.Control system for electromagnetically driven valveUS5125807Apr 2, 1990Jun 30, 1992Kloeckner-Humboldt-Deutz AGFuel injection deviceUS5237968Nov 4, 1992Aug 24, 1993Caterpillar Inc.Apparatus for adjustably controlling valve movement and fuel injectionUS5237976Dec 17, 1992Aug 24, 1993Caterpillar Inc.Engine combustion systemUS5248123Dec 11, 1991Sep 28, 1993North American Philips CorporationPilot operated hydraulic valve actuatorUS5341787Sep 1, 1993Aug 30, 1994Firma Carl FreudenbergElectromagnetically operated valveUS5622152Jul 5, 1995Apr 22, 1997Mitsubishi Jidosha Kogyo Kabushiki KaishaPressure storage fuel injection system
>>
>>14205104
now this is autism
>>
>>14205104

Citing PatentFiling dateIssue dateOriginal AssigneeTitleUS6510825Sep 24, 2001Jan 28, 2003Magneti Marelli Powertrain S.p.A.Internal combustion engine for motor vehicles and the likeUS6532937May 11, 2001Mar 18, 2003Robert Bosch GmbHFuel injection system for an internal combustion engineUS6557506Oct 15, 2001May 6, 2003Sturman Industries, Inc.Hydraulically controlled valve for an internal combustion engineUS6631699Dec 20, 2001Oct 14, 2003Siemens VDO Automative CorporationAir fuel moduleUS6739293Jun 5, 2002May 25, 2004Sturman Industries, Inc.Hydraulic valve actuation systems and methodsUS6739294Jun 13, 2003May 25, 2004General Motors CorporationManifold for housing high-pressure oil in a camless engineUS6848400Feb 14, 2002Feb 1, 2005Robert Bosch GmbHGas exchange valve mechanism for an internal combustion engineUS6866204Apr 4, 2002Mar 15, 2005Siemens VDO Automotive CorporationEnd of valve motion detection for a spool control valveUS6868829Jul 23, 2003Mar 22, 2005Andreas Stihl AG & Co. KGMaximum speed limitation for a two-cycle engineUS7001158Jan 24, 2003Feb 21, 2006Sturman Industries, Inc.Digital fluid pumpUS7025326Jul 11, 2003Apr 11, 2006Sturman Industries, Inc.Hydraulic valve actuation methods and apparatusUS7108200May 28, 2004Sep 19, 2006Sturman Industries, Inc.Fuel injectors and methods of fuel injectionUS7182068Sep 26, 2005Feb 27, 2007Sturman Industries, Inc.Combustion cell adapted for an internal combustion engineUS7204212Jan 12, 2005Apr 17, 2007Temic Automotive of North America, Inc.Camless engine hydraulic valve actuated system
>>
>>14205112

Mar 15, 2005Mar 11, 2008Sturman Industries, Inc.Hydraulic valve actuation systems and methods to provide multiple lifts for one or more engine air valvesUS7387095Apr 8, 2005Jun 17, 2008Sturman Industries, Inc.Hydraulic valve actuation systems and methods to provide variable lift for one or more engine air valvesUS7401483Mar 30, 2005Jul 22, 2008Strattec Security CorporationResidual magnetic devices and methods for an ignition actuation blockage deviceUS7412969Mar 13, 2007Aug 19, 2008Sturman Industries, Inc.Direct needle control fuel injectors and methodsUS7717130May 17, 2007May 18, 2010Purdue Research FoundationFast-acting fluid control valveUS7717359May 9, 2008May 18, 2010Sturman Digital Systems, LLCMultiple intensifier injectors with positive needle control and methods of injectionUS7730858Jun 9, 2008Jun 8, 2010Sturman Industries, Inc.Hydraulic valve actuation systems and methods to provide variable lift for one or more engine air valvesUS7969705Mar 30, 2005Jun 28, 2011Strattec Security CorporationResidual magnetic devices and methodsUS8149557Jun 27, 2011Apr 3, 2012Strattec Security CorporationResidual magnetic devices and methodsUS8191518Feb 27, 2006Jun 5, 2012Artemis Intelligent Power LimitedValvetrain control arrangement
>>
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>>14202529
>triangle shaped pistons
i beg to disagree
>>
>>14205120
>pistons
>>
>>14205083
Lol, I've never worked for fca.
>>
>>14205174
sure thing gianluca
>>
>>14205172
What? All I was saying is that rotors aren't pistons.
>>
>>14202366

SOHC is kinda pointless tho
>>
>>14205193

Oh we're in agreement, I'm just shitposting. But this thread has gone to shit so might as well get rid of it
>>
>>14202286

Yes. I'm pretty sure flex fuel sensors started in a similar fashion

>in the fiery forge of Koenigsegg workshops
>>
>>14203837


I C A N T A S T E T H E V A P O R
>>
>>14204779
>GM and chrysler has to design new 4 valve heads
Nah, GM's MUH VEE ATE 2V heads flow as well as your average 4V, Chrysler already has 4V V8 heads designed.
>>
>>14202180
F1 has been doing this for like 6 years.
>>
>>14205918
>muh CFM bro

things do not work like that heads from bigger engines tend to need more air, so the heads flow more

more =/= better
>>
>>14205918
higher velocity, less weight, more valve area, better turbulence. 4v is better in every possible way other than cost of manufacturing and repair.
>>
>>14205311
A E S T H E T I C S
>>
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>square pistons
>bore and stroke are the same
>86mm x 86mm
>2JZ
>2016
>not knowing what square pistons means
>toppest kek
>>
>>14206071
That's not square pistons, oversquare/undersquare/square never is followed by piston.
>>
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>>14206071
>he actually mentioned muh 2jz in his post
>>
Everyone in this thread who misses that Koenigsegg's test vehicle is a 4 cylinder SAAB.

youre dumb as dog shit m8's this isnt purely supercar tech, this will be on new SAAB's too
>>
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>>14206071
>he thinks square pistons means square stroke ratio
>>
>>14206283
is this b8
>>
>>14202203
Nigga, the Sclass came out with adaptive cruise control and cylinder deactivation almost 20 years ago and that shit is just not hitting the low tier cars.

By the time NOHC hits the econoboxes everyone will be in E-cars.
>>
>>14202542
That's nice and all, but when will they offer kits to retrofit normal-size eyes to anime girls?
>>
>>14202180
Hasnt FIAT been doing this for years on the intake valves?
>>
>>14208058
Very poorly.
>>
>>14208058
they did.
>>
>>14208058
>>
>>14202180
>Koenigsagge has to copy FIAT and claims they are a high performance premium brand
fucking lol!!!!
>>
>>14208058
>>14210561
FIAT who copied from renault back when tey were actually relevant in performance vehicles.
>>
>>14210584
>french
>ever relevant
stay cucked, baguette boi
>>
>>14210613
lol, not french, just letting you know that the french pioneered the tech in F1 back in the 80's
>>
>>14210673
Technological innovation isn't relevant to consumers until it arrives in production cars. No one cares who pioneered what in the F1 because no one will ever drive an F1 car.
>>
>>14210687
except for F1 pilots
>>
>>14202180
When can I swap this into my miata
>>
Why this over a electric motor?
>>
>>14211027
This is a new valvetrain, not a whole new motor.
>>
Shouldn't it be Freecam rather than Freevalve?
>>
>>14211187
cam free valves
>>
oh thats cool, so i could technically have a non interferince engine and have a gas engine with the option to dynamically scale how many working pistons depending upon the load by having valves open and stay open to reduce pumping losses while cutting fuel and spark to turn my v8 into a v6 or v4 or v2 or some other wonkey combination for milage or have the ability to fully utilize a dynamic jake brake, or have the ability to have an actual eco/sport mode switch where it changes timing and fuel and active cylinders.

when can i get one?
>>
>>14202180
>actuated by air
>still uses coil springs so you can still get valve float
>have fun with 3500psi compressor shitting itself

>VE doesn't depent on the shape of intake manifold

>>14203143
>carburetor voodoo is a hell of a thing when it works right
except it doesn't
>>
>>14203143
Funny lies?

Starting my shitters:

Carb'd VW Type I,
Prime Fuel System
Pump Pedal 1 time per 10*f under 60*f
Re-Prime
Crank-Crank-Crank-Crank-Crank-Crank-Fire
Don't go over 50% throttle until warmed or the choke will open.

Jeep 4.0 EFI
Crank-Crank-Crank-Fire

Honda EFI
Crank-Crank-Fire

Mazda DI
Crank-Fire
>>
>>14202180
Pneumatic actuators? Not solenoids? The fuck's with that?
Surely electromagnetic switching is quicker and more responsive than pneumatics, and lighter to boot. No need for airlines, just run wires.
>>
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>>14202180
>what is a rotary

step up christian-senpai
>>
>>14203088
he lost the camshaft, each valve is now opened and closed by the ecu using air/oil pressure.
>>
>>14205120
That looks like a pepe
>>
>>14212677
>comparing multi car battle to single car timed lap

tsuchiya_touge_full_of_idiots.png
>>
>>14214470
that was nomuken, not tsuchiya
>>
>>14214503
arr rook same
>>
this is like when fuel injection was new and everyone bought into that meme
>>
>>14215101
fuel injection isn't a meme
>>
>>14210687
everything you take for granted now was pioneered in motorsports and aerospace industry
>>
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magnificent.jpg
82 KB, 637x496
CONVERSION KITS WHEN
>>
>>14219210
give em a few more years
>>
>>14202196
I agree with this sentiment.
Why should I care about advancements I can't afford?
You think everyone missing a limb in a first world country has one of those great prosthetic robot limbs?
No.
alot of people are still dealing with shitty plastic stuff that just hangs off their stump

this is worthless
>>
>>14219248
>waaahh I want it NOW mommy!
Give it fucking time
>>
>>14203017
The simplicity and reliability of electronics, especially modern electronics is vastly superior to a more complicated mechanical design. This goes for all things. Electronics are simpler and have fewer points of failure. Any perceived advantage to mechanical designs is due to poorly implemented electronics
>>
>>14219239
how many aftermarket vtec systems are there?

never gonna happen
>>
>>14202235

This post is exactly what I think 95% of the people on this gay earth believe.
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