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9 Cards in this Set
- Front
- Back
What are the 5 Major Engine Components? |
Propeller Gearbox (PGB) Torquemeter Assembly Compressor Assembly Turbine Assembly Power unit accessory drive (PUAD) |
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What are the 3 primary functions of the Propeller Gearbox (PGB)? |
Transmit shaft power from Torquemeter to the propeller Reduce shaft RPM Supply shaft power to the GMAD (Gearbox mounted Accessory Drive) |
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How is the Propeller Gearbox (PGB) connected to the engine? |
Via the torquemeter and 2 tie struts for structural support |
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What is the total reduction provided by the PGB? |
13.98 : 1 |
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Name the 6 components driven by the GMAD |
AC Generator Hydraulic Pump PGB lube and scavenge pump Prop overspeed governor (OSG) High pressure pump (HPP) Pitch control unit (PCU) |
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Which Turbine Stages make up the Gas Generator Turbine? |
Stages 1 and 2 |
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Which Turbine stages make up the Power Turbine? |
Stages 3 and 4 |
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The Diffuser and Turbine Assembly contain mounts for how many igniters and fuel nozzles? |
2 Igniters 16 Fuel nozzles |
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Name the 4 components mounted on the PUAD |
Fuel Pump Metering Unit
(FPMU)Alternator Stator Starter Power section lube and scavenge pump |