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the1

Astra Opc 1,9 Cdti Twinturbo 212cp

23 posts in this topic

Se pare ca in curand va fi lansata o versiune OPC diesel, dotata cu propulsorul biturbo de 212cp, prezentat acum cativa ani pe un concept Vectra.

Edited by alllexandru

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Vezi ce zic pe aici baietii astia, ca par ca stiu ce spun....

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Pai vezi daca nu cumva il gasesti si prin alta parte...ar fi interesant de stiut daca nu sunt doar vorbe in vant...

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Uite cateva date despre motor luate de la Antara

Type : 1.9 CDTI

Displacement cu in (cc) : n.a.

Power bhp (kW) at RPM : 156 kW/212 hp

Torque lb-ft (Nm) at RPM : 400 Nm from 1400 rpm deci intra super jos cuplu.. :)

Beneath the hood, the Antara GTC features a 212 hp twin-turbo version of the 1.9 CDTI four-cylinder engine. The transverse installed concept power plant produces 400 Nm starting at 1400 rpm, and, like all 1.9 CDTI engines in Opel models, is equipped with a maintenance-free particulate filter (DPF).

The Opel SUV study is powered by a 156 kW/212 hp twin-turbo version of the successful 1.9 CDTI ECOTEC common-rail diesel engine. With its hefty torque at low engine speeds (max. 400 Nm from 1400 rpm.), the two-stage turbocharged concept diesel unit is absolutely ideal for this type of vehicle. In combination with the six-speed automatic transmission, computer simulations yield statistics that are impressive for the four-wheel driven Antara GTC concept: A top speed of over 210 km/h and an acceleration from zero to 100 km/h in around 8 seconds.

The transversally installed four-cylinder engine features two overhead camshafts, four valves per cylinder and a variable turbo blade geometry. The fuel supply to the cylinders is controlled by a common-rail system with a pressure of up to 1600 bar.

The heart of the innovative twin-turbo technology of the concept diesel engine is forced aspiration through two exhaust-driven turbochargers, which unlike “biturbo” systems operate in series rather than in parallel: A smaller, highly responsive turbocharger for the low engine speed range, a larger turbocharger designed for high output to take over as the revs build up. Thanks to its superior efficiency, the twin-turbo system can achieve an extremely high specific power output, without disadvantages in fuel consumption and exhaust emissions. Like all Opel's 1.9 CDTI production cars, the Antara GTC concept is equipped with the maintenance-free diesel particulate filter system (DPF).

Si uite si detaliile celui de pe VECTRA OPC

opc212cai3fc.th.jpg

Opel Twin-Turbo Revolutionizes Diesel Engine Technology

* Premiere: Two-stage turbocharging for first time in diesel passenger car

* World record: 1.9 CDTI twin-turbo in Vectra OPC with 112 hp per liter displacement

* Up to 50 percent more power for same fuel consumption

With its revolutionary twin-turbo technology, Opel announces the next big step forward in the development of modern diesel engines for passenger cars. For the first time, Opel engineers have succeeded in applying two-stage turbocharging to a compression-ignition engine that is suitable for everyday driving: The Opel Vectra OPC engineering study presented at the Essen show in November 2003 and now at the Geneva Motor Show has a 1.9-liter CDTI twin-turbo engine which produces 156 kW (212 hp). The specific power output of 112 hp per liter displacement is a world record for turbo-diesel powered passenger cars. The 1.9 CDTI twin-turbo unit starts to deliver its maximum torque of 400 Nm at only 1400 rpm, complies with Euro 4 exhaust emission standards, and uses only 6.0 liters of diesel fuel per 100 kilometers in the European test cycle.

The heart of the twin-turbo technology is forced aspiration of the diesel engine through two exhaust-driven turbochargers, which unlike “biturbo” systems operate in series rather than in parallel: A smaller, highly responsive turbocharger for the low engine speed range, a larger turbocharger designed for high output to take over as the revs build up. Thanks to its superior efficiency, the twin-turbo system can achieve an extremely high specific power output, without disadvantages in fuel consumption and exhaust emissions.

Hans H. Demant, Executive Director Engineering at Opel, says: “We are proud to be the first manufacturer to apply this two-stage turbocharging principle to a production diesel engine. Our twin-turbo technology is particularly economical, pro-environmental and fun to drive.”

The secret behind “twin-turbo” is the clever two-stage forced aspiration principle. By using a small high-pressure turbocharger for the first stage, the engine responds readily to the gas pedal at lower speeds without suffering from “turbo lag”. Up to 1800 rpm this high-pressure turbocharger works alone and compresses the intake air at up to 3.2 bar boost pressure. Between 1800 and 3000 rpm, a larger low pressure turbocharger joins in – both turbines run together in this engine speed range. Above 3000 rpm, only the larger turbocharger continues to deliver charge air to the cylinders. The complex control of both chargers is via a valve in the engine’s exhaust system, controlled by engine speed and load.

Excellent basis: New generation of 1.9 CDTI ECOTEC engines

The twin-turbo system was developed by a team of specialists in the Opel motor sport department OPC (Opel Performance Center) led by Donatus Wichelhaus. “The enormous potential of our twin-turbo engine can be seen from the mean effective pressure values it achieves: Whereas traditional turbo-diesels have a mean effective pressure of 17 to 19 bar, the 1.9-litre twin-turbo reaches 26 bar," explains Wichelhaus. The mean effective pressure of an engine is average working pressure acting on the pistons during the combustion process – the higher the value, the higher the power output. Wichelhaus continues: “For the twin-turbo principle to be applied successfully, the engine block must be particularly robust and capable of withstanding the enormous pressures, even after the vehicle has covered a high mileage. In the new generation of 1.9 CDTI ECOTEC engines we have an excellent basis.”

Vectra OPC: 212 hp from 1.9-liter engine with fuel consumption of only 6.0 l/100 km

Depending on the development objective, the twin-turbo can be designed either for high performance or for maximum efficiency in its consumption of fuel. Compared with a naturally aspirated diesel engine, power outputs can be raised by up to 50 percent without increasing fuel consumption. Alternatively, consumption can be reduced by as much as a quarter without loss of power. Opel has chosen the first route for the 1.9 CDTI twin-turbo engine used in the Vectra OPC study. This high-tech engine delivers a peak power output of 156 kW (212 hp) from just 1.9 liters displacement. The resulting specific power output of 82 kW (112 hp) per liter is a world record, not matched by any turbo-diesel in a standard production car.

Two-stage turbocharging combined with the latest common-rail fuel supply, variable multi stage fuel injection and twin charge-air intercoolers provide the increase in power and the maximum torque of 400 Nm, which is available over a wide engine-speed range from 1400 to 3600 rpm. With this engine the Vectra OPC accelerates from 0 to 100 in 6.5 seconds; the top speed is an electronically regulated 250 km/h. At 6.0 liters per 100 km in the European test cycle, fuel consumption is at the same low level as the production 1.9 CDTI units, and like these the twin-turbo engine can be fitted with a maintenance-free diesel particulate filter (DPF) that works without additives. Exhaust emissions already comply with the Euro 4 standard for new vehicles registered after January 1, 2006.

156 kW and 400nm from a 1.9 Turbo Diesel !!

Edited by alllexandru

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S-ar putea sa fie doar speculatii, dar e clar ca acest motor va fi disponibil pt Astra foarte curand. Si viitorul suna atat de bine... :D 400NM, 212cp si un consum ''nesimtit'' de mic, la nevoie. Asta da masina. :)

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Vauxhall's VXR performance brand is putting the final touches to a diesel-powered version of the range-topping Astra.

The derv variant has been spotted testing at the famous Nürburgring track in Germany, where its distinctive engine note set it apart from the petrol model.

Power for the newcomer is expected to come from a highly tuned version of the firm's 1.9-litre CDTI unit, featuring a pair of turbochargers to bring its output to a potent 212bhp.

The same motor is also set to see service in the hot Vectra and is expected to power the forthcoming Antara SUV, too.

As with the petrol variant, the diesel Astra will have a full bodykit and come as a three-door only - even though the test mule has five. Meanwhile, the current VXR's stiff suspen-sion will ensure it remains the most extreme hot hatch around.

However, Astra fans will have to wait for the powerful diesel, because it isn't likely to arrive until late 2007 at the earliest - probably after the car's mid-life facelift. The sporty Vectra is on the cards to appear first, and its debut is expected to take place during the Geneva Motor Show next year.

http://www.autoexpress.co.uk/news/autoexpr...strike_oil.html

car_photo_203629_7.jpg

:D

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Opc-ul diesel se va sincroniza oarecum cu momentul cand voi termina leasingul la a mea - hmmmm ce poate insemna asta? :D

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Suna interesant...mi-a placut partea cu "where its distinctive engine note set it apart from the petrol model"....hahahhahahahha!

Deci....repet suna interesant si foarte probabil o lanseaza la anul la Frankfurt in toamna...si pe Vectra pare ceva deosebit dar dupa ce am mers cu OPC-ul pe benzina si volanul o lua in toate directiile, ma intreb cum va fi asta...plus ca nu cred ca merita o Vectra d-asta cand urmatoarea va arata intr-un mare fel...

Legat de Astra OPC probabil ca va costa 30,000 DDP...deci cam mult si cu optionale se va duce spre 40,000 (Viper spunea ca a configurat un OPC benzina si l-a dus la 35,000...cam multi bani chiar si pentru o Astra...

Legat de consumul anuntat de 6 l/100 km e o mare minciuna...motoarele bi-turbo consuma mult chiar si diesel...va aduc orican un 535d cu consum 15% in oras...si nu e deloc cel anuntat...OPC-ul diesel va consuma 10-12% in oras...prin aglomeratie si prin astea...plus de zgomot....Dumnezeule...iata: where its distinctive engine note set it apart from the petrol model...

Ramane sa vedem masina acum...sunt super curios...in mod clar trebuie sa-i umble la suspensii...cuplul ala pe fata va fi criminal...abia sta OPC-ul pe benzina d-apoi asta cu 400 Nm la 2000 rpm...s-ar putea sa fie enervant de condus in oras...

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Da...ce mi-ar place sa ma enervez in oras cu cuplu 400 Nm de la 1.400 rpm...as fi permanent nervos..:D

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Mama mama ce ar mai fi la gura mea. 2door, adu tu unul din asta pt mine si promit ca-l bodogan dupa aia pe unde vrei tu. Ce cuplu, doamne. Da-mi unul din asta si ma ai de sclav :D

Dragos, ai uitat de 130i ???

Edited by vulupe

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Pentru tine vulupe o rezolvam cu cuplul... ;)

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La 1400 ture? Cand asta? Unde sa vin?

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Nu de la 1400 ca si asa iti place sa-ti auzi si sa simti permanent turbina..:D...de la 2000 rpm e bine?... :P ...deja suntem off topic.. ;) ....discutam la intalnire...

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Mai usor cu reclama, da????!!!??

Sa fiti voi nervosi eu imi iau 130i si vorbim alta data...

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Scuzati OT-ul, dar eu de cand am vazut noul Seria 3 coupe numai aia visez...

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2door, cand iti vinzi GTC-ul? :P

Probabil ca acest OPC diesel va fi lansat nu fiindca OPC-ul pe benzina nu se descurca onorabil in lupta cu celelalte hot-hatch-uri, ci datorita modei masinilor sport diesel din ultima vreme. Pana si la LeMans Audi a aruncat in lupta un diesel... :D

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