Saab selects power and controls systems from Collins Aerospace for Boeing T-X trainerNews
June 19, 2019
PARIS AIR SHOW. Saab has chosen Collins Aerospace Systems (a unit of United Technologies) to supply mission-critical power and controls systems for the Boeing T-X trainer, including the aircraft?s Power Take Off (PTO) shaft, Auxiliary Power Engine Control Unit (APECU), engine start system, and Main Electric Power Generation System (MEPGS).
The Collins Aerospace shaft -- which transmits power from the engine to the aircraft mounted accessory drive gearbox -- is built with diaphragm flexures intended to provide high reliability with no required maintenance, according to company information.
Additionally, the APECU is a full-authority, advanced electronic controller that controls, monitors, and diagnoses all phases of auxiliary power and engine start system operation, while its engine start system includes a starter control valve and air turbine starter that converts pneumatic power -- supplied by the APU and controlled by the starter control valve -- into mechanical shaft horsepower to start the engine. The MEPGS, say company officials, will feature the company’s integrated drive generator and digital-controls technology.
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