Si ma e' previsto nel 2010, in 5 anni sai quanto si puo' fare.
E poi te sei sicuro che il 787 quei dati li rispetterà?
per i motori ho trovato questo trafiletto
On April 6, 2004, Boeing announced that it had selected two engine types, the General Electric (GE) GEnx and Rolls-Royce Trent 1000 to power the 787. Significantly, this leaves Pratt & Whitney unable to offer one of their own engines to 787 customers. Boeing may have wished to rely on two evolved versions of existing engines rather than the higher-risk option of an all new Pratt & Whitney engine, particularly in light of Pratt & Whitney's recent failures in the Regional Jet market and failed PW8000 engine for the A318.
For the first time in commercial aviation, both engine types will have a standard interface with the aircraft, allowing any 787 to be fitted with either a GE or Rolls-Royce engine at any point in time. Engine interchangeability makes the 787 a far more flexible asset to airlines, allowing them to change from one manufacturer's engine to the other's in light of any future engine developments which conform more closely to their operating profile. The engine market for the 787 is estimated $40 billion USD over the next 25 years.
Any commercial launch of a new airliner can be expected to draw scathing comments from competitors, Boeing's doubt over the A380 and Airbus' mocking of the Sonic Cruiser are recent examples. The 787 is no exception, as Airbus' John Leahy has made attempts at refuting all of the claims that Boeing have made for the aircraft. Airbus is of course in no position to start development of a comparable plane, with the ongoing development of the A380, however Airbus might not be in such a dangerous position as they appear. Airbus is now offering a reduced weight A330 with the 787's next generation turbofans (modified to generate bleed air as with the proposed 747 Advanced)
da cui penso di capire saranno i GEnx o i RRtrent 1000 modificati in bleedless.
Cmq prima del 2006 questi motori non vedranno la luce, quindi...