BR725 Engine Fire Zones

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What is the purpose of the Full Authority Digital Engine Control (FADEC) in the engine core?

To control all engine operation and communicate with Modular Avionics Units and Air Data Systems

What are the primary limitations for the BMW/Rolls Royce BR700-725A1-12 engines during takeoff?

Maximum TGT of 900°C for 5 minutes and maximum LP of 102.8%

How is access gained to the oil level sight glass on the aircraft?

Through a small door on the left lower cowl and right hand apron

What is the purpose of the Bleed Air Controller (BAC)?

To regulate the operation of the 5th stage and 8th stage bleed valves and maintain the temperature of the engine bleed air supply at a constant level. Signup and view all the answers

How does the engine provide energy to operate the air-driven engine starter during cross-bleed starts?

High-pressure air at elevated temperatures generated by the engine compressor section is used to supply pneumatic power to operate the air-driven engine starter. Signup and view all the answers

What is the function of the Engine Accessory Gearbox?

It provides the mechanical drive for aircraft system components mounted on the accessory gearbox, which is attached to the engine exterior and connected to the HP compressor through a driveshaft. Signup and view all the answers

What components are powered by the gearbox after it reduces engine rpm?

Integrated Drive Generator (IDG), Fuel Pump, Metering Unit, Oil Pump, Hydraulic Pump, FADEC Generator Signup and view all the answers