The Piston Engine is covered in EASA 66 Module 16 in much the same way the Gas Turbine Engine is covered in EASA 66 Module 15. Module 16 is a comprehensive and thorough presentation of all necessary details that an aircraft power-plant technician must know.
- 16.1 Fundamentals
- Mechanical, thermal and volumetric efficiencies;
Operating principles - 2 stroke, 4 stroke, Otto and Diesel;
Piston displacement and compression ratio;
Engine configuration and firing order.
- 16.2 Engine Performance
- Power calculation and measurement;
Factors affecting engine power;
- 16.3 Engine Construction
- Crank case, crank shaft, cam shafts, sumps;
Cylinder and piston assemblies;
Connecting rods, inlet and exhaust manifolds;Valve mechanisms;
Propeller reduction gearboxes.
- 16.4 Engine Fuel Systems
Types, construction and principles of operation; Icing and heating;
Fuel injection systems
Types, construction and principles of operation;
Electronic engine control
Operation of engine control and fuel metering systems including electronic engine control (FADEC);
System layout and components.
- 16.5 Starting and Ignition Systems
- Starting systems;
Magneto types, construction and principles of operation;
Ignition harnesses, spark plugs;
Low and high tension systems.
- 16.6 Induction, Exhaust and Cooling Systems
- Operation and characteristics of different turbine blade types;
Nozzle guide vanes;
Causes and effects of turbine blade stress and creep.
- 16.7 Supercharging / Turbocharging
- Principles and purpose of supercharging and its effects on engine parameters;
Construction and operation of supercharging/turbocharging systems;
- 16.8 Lubricants and Fuels
- Properties and specifications;
- 16.9 Lubrication Systems
- System operation/layout and components.
- 16.10 Engine Indication Systems
- Engine speed;
Cylinder head temperature;
Oil pressure and temperature;
Exhaust Gas Temperature;
Fuel pressure and flow;
- 16.11 Powerplant Installation
- Configuration of firewalls, cowlings, acoustic panels,engine mounts, anti -vibration mounts,hoses, pipes, feeders, connectors, wiring looms, control cables and rods, lifting points and drains.
- 16.12 Engine Monitoring and Ground Operation
- Procedures for starting and ground run-up;
Interpretation of engine power output and parameters;
Inspection of engine and components: criteria, tolerances,and data specified by engine manufacturer.
- 16.13 Engine Storage and Preservation
- Preservation and de-preservation for the engine and accessories/systems.