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T-700 Engine

T-700 Engine. Terminal Learning Objective. To review the operational characteristics of the T-700 engine. Overview. Engine Modules and Components Electrical Control Unit Hydromechanical Unit Pressure and Overspeed Unit Engine Alternator Np Overspeed Protection

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T-700 Engine

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  1. T-700 Engine

  2. Terminal Learning Objective • To review the operational • characteristics of the • T-700 engine

  3. Overview • Engine Modules and Components • Electrical Control Unit • Hydromechanical Unit • Pressure and Overspeed Unit • Engine Alternator • Np Overspeed Protection • Engine/Inlet Anti-ice System

  4. Engine Modules and Components • The Cold Module • The Hot Module • The Power Turbine Module • The Accessory Module

  5. The Cold Module • Electronic Control Unit • Inlet Particle Separator • The Compressor • The Diffuser • Midframe Case

  6. The Hot Module • The Combustion Liner • The First Stage Nozzle • Stator • Two Gas Generator Turbine Rotors

  7. The Power Turbine Module • Two Stage P/T Rotors • P/T Drive Shaft • The High Speed Shaft

  8. The Accessory Module • Front Face Components • Fuel Filter • Oil Cooler • Eng Driven Fuel Boost Pump • Chip Detector • Oil Filter • Oil Pump • Alternator • Oil Pressure Sensor • Oil Temp Sensor

  9. The Accessory Module • Rear Face Components • Starter • HMU • POU • IPS Blower

  10. Electronic Control Unit • 6 Functions • TGT Limiting • Np Governing • Load Sharing • Np Overspeed Protection • Conditioning of Cockpit Signals • History Data Recorder

  11. Hydromechanical Unit • 9 Functions • Fuel Pumping • Fuel Flow Metering • Collective Pitch Compensation - LDS • Accel / Decel Fuel Flow Limiting • Ng Limiting and Ng Shutdown • Variable Geometry Positioning • Torque Motor To Trim Ng Governor • PAS Override - ECU Lockout • Vapor Vent For Fuel System Priming

  12. Pressure and Overspeed Unit • 4 Functions • Sequences Start Fuel • Sequences Main Fuel • Purges Start and Main Fuel Manifolds • Np Overspeed

  13. Engine Alternator • 3 Functions • Ng Signal to Cockpit • Power to Ignition • Power to ECU

  14. Np Overspeed Protection • Np Speed of 106 +/- 1 Percent • Overspeed Switch Activates • POU is Activated • Fuel Flow Reduced • Ng Decreases • Np Decreases • Overspeed Switch Deactivates

  15. Engine / Inlet Anti-Ice System • 2 Systems • Engine Anti-Ice • Engine Inlet Anti-Ice

  16. Engine Anti-Ice • AISBV - Compressor Bleed • and Anti-Ices • Swirl Vanes • Nose Splitter • IGV

  17. Engine Inlet Anti-Ice • Switch Armed by the Pilot • Ambient Temperature Activated • 13 Deg C or More • 4 - 13 Deg C • 4 Deg C or Less

  18. Summary • Engine Modules and Components • Electrical Control Unit • Hydromechanical Unit • Pressure and Overspeed Unit • Engine Alternator • Np Overspeed Protection • Engine/Inlet Anti-Ice System

  19. Questions?

  20. Group Quiz

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