Alfa Romeo MiTo Quadrifoglio Verde

[Markoni147]

Ovo ce biti skroz zanimljiva gradska zujalica....

http://www.seriouswheels.com/cars/2010/ ... -Verde.htm

[Blade]

QV is back
Kako nece mali trkac

[speedfreak968]

Auuu... preteche me... Al' ajd' da metam i ovaj link:

http://www.ultimatecarpage.com/car/4261 ... To-QV.html

Ovo je stvarno do 00... Mislim, 1.4 sa 170 ks sa minimalnom potroshnjom goriva i (jbga i to je sad bitno) mizernom emisijom CO2... Kapa dole... E sad, kolika ce mu biti cena????

[Markoni147]

Pa realno oko 20000 EUR... S' obzirom da se 1.4 155 KS prodaje za oko 18000... Videcemo vec, mada sumnjam da ce ga Delta uopste imati u ponudi...

[starac vujadin]

Pa, naravno...ko ce sada da uci Multiair...treba slati ljude na obuku, a prodace 1-2 komad godisnje...

Tako da od Abarth 500, 500 SS, Punta Abarta i Abarth SS, Mito 1.4 i 1.4 qv imamo na nasem trzistu od Fiatovih zujalica samo Mito 1.4 od 155ks. Sto je sigurno, sigurno je...A Renault vrlo solidno prodaje Clio Sport ovde za 19000...

[mirdza]

Sve je to sjajno, ali za tu cijenu mozes da imas Abarth GP SS i da ti ostane jos u dzepu za troskove eksploatacije Znam da nije isto Alfa i Fiat ali ipak MiTo dijeli vecinu mehanike sa Grande Punto. Ne znam, ne zelim da budem subjektivan ali Abarth mi ipak ima neki "smek" dok mi MiTo izgleda blijedo pri njemu...

[starac vujadin]

[OMP]

lepo

[Blade]

Ali mu je naziv FIAT Abarth GP SS ne Alfa QV

[SCHUMACHER]

Je li moguce da taj model nema bregaste-rece mi drug,cuo na TV-u,kaze ima neke elektro ventile koji mu daju 10% vise snage nego kad bi imao bregasta vratila u glavi???

[Gruja]

The Fiat Multiair Technology: how it works

The operating principle of the system, applied to intake valves, is the following: a piston, moved by a mechanical intake cam, is connected to the intake valve through a hydraulic chamber, which is controlled by a normally open on/off Solenoid Valve.

When the Solenoid Valve is closed, the oil in the hydraulic chamber behaves like a solid body and transmits to the intake valves the lift schedule imposed by the mechanical intake cam. When the solenoid valve is open, the hydraulic chamber and the intake valves are de-coupled; the intake valves do not follow the intake cam anymore and close under the valve spring action. The final part of the valve closing stroke is controlled by a dedicated hydraulic brake, to ensure a soft and regular landing phase in any engine operating conditions.

Through Solenoid Valve opening and closing time control, a wide range of optimum intake valve opening schedules can be easily obtained.

For maximum power, the Solenoid Valve is always closed and full valve opening is achieved following completely the mechanical cam, which was specifically designed to maximize power at high engine speed (long opening time).

For low-rpm Torque, the Solenoid Valve is opened near the end of the cam profile, leading to early intake valve closing. This eliminates unwanted backflow into the manifold and maximizes the air mass trapped in the cylinders.

In engine part load, the Solenoid Valve is opened earlier causing partial valve openings to control the trapped air mass as a function of the required torque. Alternatively the intake valves can be partially opened by closing the Solenoid Valve once the mechanical cam action has already started. In this case the air stream into the cylinder is faster and results in higher in-cylinder turbulence.

The last two actuation modes can be combined in the same intake stroke, generating a so-called “Multilift” mode, that enhances turbulence and combustion rate at very low loads.

[byMaX]

For low-rpm Torque, the Solenoid Valve is opened near the end of the cam profile, leading to early intake valve closing. This eliminates unwanted backflow into the manifold and maximizes the air mass trapped in the cylinders.

zanimljivo će biti da se vidi koliko su ovo kvalitetno rešili, jer, ako nije na nivou ferarija, ceo intake ventil može da bude prilično problematičan, pa da se menja na svakih 50-60k km, što je ravno tragediji...

[mirdza]

Citao sam skoro neki test i FIAT tvrdi da je vodjenje ventila tako rijeseno da mu je trajnost veca nego citavog motora. Ako je istina onda