T700-T6E1

Avio is responsible for the design of the new cooling system of the casing comprising a nozzle to feed cooled air to a plenary assembly from which cool air jets start towards the casing in order to improve the cooling effectiveness of the static frames and allow an increase in the temperature at turbine input. Avio is responsible for the production, and participated, in a consistent way, in partnership with General Electric for the development of the following parts:

• New third-stage nozzle
• Updating of third-stage disk cooling system
• Third- and fourth-stage lifing disks
• Fourth-stage nozzle and seal
• Third- and fourth-stage blade
• Third- and fourth-stage shroud
• Casing

Avio is responsible for obtaining the validation towards Armaereo and commercialisation of the engine as prime contractor towards the NAHEMA Consortium. Finally, Avio is responsible for Product Support and collaborated with General Electric in the development and qualification phases of the T700-T6E1 turboshaft engines.

Avio is fully responsible for all the development and qualification tests; it contributed to the project for the main structural parts of low-pressure turbine and accessory drive train modules.

Avio is responsible for the design, development, production and overhaul of parts of the accessory drive train of the CT7-8 and T700-T6E1 engines.

The accessory drive train includes the input gearbox, which transfers torque from the HP engine shaft to the gearbox of the vertical transmission shaft accessories, which connects the input Gearbox to the Accessory Gearbox, which is supported on the upper side of outer compressor casing and drives 6 accessories.

Avio is responsible for the design, development and production of the following parts:

• accessories: blower, T45 harness, P3 Sensor, P0 sensor, exciter, alternator stator
• front frame
• diffuser case
• ODA: Output Drive Assembly shaft
• support Bearing #3
• scroll Case