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By the end of November, Airbus planned to explain the root cause and give an in-depth analysis by the end of 2018. [75] Pratt & Whitney stated the A220's and Embraer E2's PW1500G/PW1900Gs are free from the issue and that less than 2% of PW1100Gs are affected while 182 GTF-powered A320/A321neos have been delivered. [76]
The 131-9D initially was designed for the McDonnell Douglas MD-90 series; the 131-9B became standard equipment on Boeing 737NG; the 131-9A on the Airbus A320 family. [4] The 131-9C has entered service aboard the Airbus A220 (formerly Bombardier C-Series). The 131 Series uses a two-stage axial turbine and a single generator which starts the APU. [5]
Airbus sold the A320 well to low-cost startups and offering a choice of engines could make them more attractive to airlines and lessors than the single-sourced 737, but CFM engines are extremely reliable. The six-month head start of the A320neo allowed Airbus to rack up 1,000 orders before Boeing announced the MAX.
Thrust-specific fuel consumption (TSFC) is the fuel efficiency of an engine design with respect to thrust output. TSFC may also be thought of as fuel consumption (grams/second) per unit of thrust (newtons, or N), hence thrust-specific.
Flex temp is a technique used to produce cost savings through increased engine life and reduced overhaul and fuel costs [1] for airliners by allowing them to take-off at less than rated thrust. [ 2 ] For Airbus and Fokker aircraft the technique is known as flex temp or just flex .
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Ram air turbine on Airbus A320. The Airbus A380 has the largest RAT in the world at 1.63 metres (64 in) in diameter, but around 80 centimetres (31 in) is more common. A typical large RAT on a commercial aircraft can be capable of producing 5 to 70 kW, depending on the generator. Smaller, low airspeed models may generate as little as 400 watts.
In 1989, its unit cost was US$4.7 million. [8] The 4,000th V2500 was delivered in August 2009 to the Brazilian flag carrier TAM and installed on the 4,000th Airbus A320 family aircraft, an A319. [9] In early 2012, the 5,000th V2500 engine was delivered to SilkAir, and IAE achieved 100 million flying hours. [7]