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    V2500 D5

    The V2500 is an engine of International Aero Engine (IEA) in which Pratt&Whitney, Japanese Aero Engine Corporation and MTU Aero Engines take part. There are 4,000 engines in service and over 2,000 on order. The D5 version entered into service in 1995. The V2500 fleet has accumulated over 70 million flight hours. The engine was used on the MD90 aircraft.

    Avio deals with the design, development and production of the angular gearbox, accessory drive gearbox, recovery and delivery oil pumps, and oil tank.

    Main engine characteristics

    Max Power at SL 25000 - 28000 lb
    Fan diameter 63.5 inches
    Overall pressure ratio 35.2
    Bypass ratio 4.8

    Avio's module details

    Accessory Drive Train
    Design, development, production of angular gearbox, the command gearbox of accessories, delivery and recovery oil pumps and of oil tank. Overhaul of delivery and recovery oil pumps. 
     
    The angular gearbox mechanically connects the radial transmission shaft, which takes motion from the HP engine shaft to the accessory drive gearbox, to which it is flanged. It is under the external fan case. 
     
    The accessory drive gearbox, supported together with the angular gearbox to the front side of the engine, mechanically operates eight different accessories, between the engine and aircraft, two of which include the delivery and recovery oil pumps. The oil tank is integrated into the accessory drive gearbox.
    Low Pressure Turbine

    Machining of powder-met high pressure turbine disks.
    Other Components

    The delivery oil pump is a volumetric pump with gears and a single-stage architecture. The recovery oil pump, also a volumetric pump with gears, has a multi-stage architecture.

    Products

    Accessory Drive Train
    Accessory Drive Train
    Low Pressure Turbine
    Low Pressure Turbine
    Other Components
    Other Components

    Applications

    MD90
    MD90