BMW - 3.0 Diesel Quadriturbo 2016

[Carlo23]

Si immagino la perdita del blasone della nafta.. Ma sulla carta potrebbero uscire dei motori anche belli prestanti..

[TurboGimmo]

Ma scusate...

Sul sei in linea ogni 3 cilindri ci sono i collettori 3-1 che vanno in un turbocompressore.

Quindi

3 cilindri -> 1 turbocompressore

3 cilindri -> 1 turbocompressore

 

E questi come sono messi????

Saranno mica

2 cilindri -> 1 turbocompressore

1 cilindri -> 1 turbocompressore

2 cilindri -> 1 turbocompressore

1cilindri -> 1 turbocompressore

 

Penso

3 cilindri -> 1 turbocompressore -> 1 turbocompressore

3 cilindri -> 1 turbocompressore -> 1 turbocompressore

[__P]

1 minuto fa, TurboGimmo dice:

Ma scusate...

Sul sei in linea ogni 3 cilindri ci sono i collettori 3-1 che vanno in un turbocompressore.

Quindi

3 cilindri -> 1 turbocompressore

3 cilindri -> 1 turbocompressore

 

E questi come sono messi????

Saranno mica

2 cilindri -> 1 turbocompressore

1 cilindri -> 1 turbocompressore

2 cilindri -> 1 turbocompressore

1cilindri -> 1 turbocompressore

 

Penso

3 cilindri -> 1 turbocompressore -> 1 turbocompressore

3 cilindri -> 1 turbocompressore -> 1 turbocompressore

 

Boh... Io me li immagino 2 turbo in serie per 3 cilindri.

[Cosimo]

non è che la dicitura quadriturbo indica 2 giranti normali + due elettrici montati in serie?

[__P]

1 minuto fa, Cosimo dice:

non è che la dicitura quadriturbo indica 2 giranti normali + due elettrici montati in serie?

 

Boh ?

le veline ha parlato semplicemente di quadriturbo senza nessun riferimento tecnico.

Chissà se @Beckervdo, che di solito é molto informato in merito, sa qualcosina in più... ?

[Cosimo]

il triturbo mi pare avesse tre turbine in linea: una piccola per i bassi regimi, la grossa per i medi  a cui si aggiungeva  la un’altra piccola per gli alti. O più o meno una roba del genere. 

Probabilmente hanno ficcato una piccola più una grossa sequenziale per bancata. Oppure hanno messo un turbo elettrico  al posto di quella piccola. 

Oppure non lo so

 

comunque  soluzione tecnicamente originale. Non so fino a che punto mi convince. A quelle potenze ( e costi) prendo un benzina e  vaffankiulo  

[ricky1750]

K.i.f.s. No eh...

☏ D5803 ☏

[Ario_]

Premetto che non sono un ingegnere per cui non posso dare un parere tecnico.

Dò, invece, un parere personale:

Me pare 'na strunzata!

 

Se ti servono più prestazioni o aumenti i cilindri o passi al benzina.

[TurboGimmo]

A vedere l'immagine, nel caso di cedimento di una turbina (non so quanto sia raro oggigiorno, pero' puo' succedere), lavorarci e' impossibile.

Ricordo quando ho visto il vano della Serie1 6L bi-turbo, invece ci lavoravi comodo.

[RiRino]

Cita

As with the outgoing engine, the performance-boosting flow of compressed air into the combustion chambers is generated by multi-stage turbocharging. The high-pressure stage revolves around two compact turbos with variable turbine geometry integrated into a single housing, while a single, very large low-pressure turbocharger has been replaced by two smaller – and therefore faster-responding – units.

 

Generally speaking, the two low-pressure turbochargers and one of the two high-pressure turbos are permanently in action. Only under hard acceleration from idle will the two low-pressure turbochargers be bypassed by means of a flap control system. This allows boost pressure to be built up even more quickly. The second high-pressure turbocharger is brought into play at an engine speed of about 2,500 rpm.

http://www.bmwblog.com/2016/05/16/world-premiere-2017-bmw-750d/

 

Cita

The N57S engine's dual-stage turbocharging setup consisted of one low-pressure turbocharger to take care of low-end torque, and two high-pressure turbos for the higher rev range. In the new B57 engine, the big turbo is now replaced with two smaller units on a common exhaust, to benefit from lower costs and smaller unit weight. In addition to the gains in power and torque, fuel economy has reportedly been improved by 5 percent.

http://www.autoblog.com/2016/05/02/bmw-quad-turbo-diesel-confirmed/

 

Cita

 

Not to be outdone by Audi’s triple-charged SQ7 TDI diesel-powered SUV, with an electrically driven compressor acting as a third turbocharger of sorts, BMW has …

 

Not to be outdone by Audi’s triple-charged SQ7 TDI diesel-powered SUV, with an electrically driven compressor acting as a third turbocharger of sorts, BMW has gone full mad and created a quad-turbocharged diesel monster, dubbed B57. This new engine will be a 3.0 liter I6 turbo-diesel with four turbochargers, yes you read that correctly, four turbochargers.

BMW recently revealed this new engine at the 37th International Vienna Motor Symposium and it’s a quad-turbo kick to the naughty regions of Audi and its measly triple-turbocharged engine. The 3.0 liter I6 quad-turbo engine is capable of delivering 394 hp and 561 lb-ft of torque, or enough to throw off the rotation of the Earth. All of that monstrous torque comes in at just a tick over 2,000 rpm and stays there until nearly 4,000, but that’s where peak horsepower starts to kick in. Despite the insane power, this new B57 engine is said to achieve 5.7 liters/100km of fuel consumption, which is around 41 mpg US. Not too shabby for an engine with enough torque to tow a moon.

The new B57 engine will use permanent multi-stage turbocharging, using two low-pressure turbos and two high-pressure turbos. It will also have a Piezo common rail system with 2.500 bar of maximum system pressure. It will also have improved charge air-cooling with de-throttled air ducts. There’s some genuinely clever tech going on in this engine.

Apparently, the first car this beast will power is the upcoming BMW 750d and BMW claims that it should get from 0-60 mph in 4.5 seconds which, for a 3.0 liter diesel, is mighty impressive. The current BMW 750i, with its twin-turbocharged 4.4 liter V8 petrol engine is capable of doing that same sprint in 4.3 seconds. While that’s a touch faster, it can’t match the B57 engine’s impressive combination of both speed and efficiency. Try getting 41 mpg from a 750i, it won’t be fun.

But it isn’t just the immediate impact that this engine will have that makes it special, it’s that it will help BMW in the future. It’s said that this engine will meet all federal regulations in the near future when they do eventually chance. So that means BMW will have a turbo-diesel engine that’s somewhat future proof. BMW also wants to get away from V8s, as the market for such engines decreases and the state of our environment worsens. This engine can help the Bavarian brand do just that, as many customers will see that you don’t need a hulking V8 to get great power out of an engine…you just need four turbochargers.

This new B57 is also said to rev quite quickly and it even revs pretty high for a diesel, with a redline of around 6,000 rpm. While that’s nowhere near the redline of, say, a BMW I6 petrol engine, it’s higher than many diesels and revs faster than you’d expect from a diesel. This gives the engine a bit more character than your typical compression-ignition engine and might actually allow it to be entertaining to drive. That is, of course, if you don’t already find spitting chunks of asphalt rearward, as 516 lb-ft of torque chew up the road, entertaining.

BMW is no stranger to crazy engines, as its previous tri-turbocharged I6 diesel was pretty crazy itself. But this is just over the top in the best possible way. If you buy one of these beasts, make sure you get xDrive if it isn’t already standard, as I’m not sure just two rear tires can handle that much torque.

http://www.bmwblog.com/2016/05/12/full-details-new-bmw-quad-turbo-diesel-b57-engine/

 

 

 

bella dimostrazione a livello tecnologico ma, bha......