Mar 29, 2024  
2022-2023 College Catalog 
    
2022-2023 College Catalog [ARCHIVED CATALOG]

AVM 228 - Aircraft Propellers

2.5 Credits, 5 Contact Hours
1.25 lecture periods 3.75 lab periods

Basics of aircraft propellers. Includes propeller theory, nomenclature, types, construction, and installation and maintenance. Also includes constant speed systems, feathering systems, reversing systems, icing systems, synchronizing systems, and unducted fans.

  button image Prior Learning and link to PLA webpage

Course Learning Outcomes
  1. Demonstrate proficient knowledge of aircraft propeller theory
  2. Demonstrate proficient knowledge of aircraft propeller operation
  3. Demonstrate proficient knowledge of aircraft propeller maintenance
  4. Demonstrate proficient knowledge of aircraft propeller systems

Outline:
  1. Propeller Theory
    1. Production of thrust
    2. Forces acting on propellers
      1. Centrifugal
      2. Torque bending force
      3. Thrust bending force
      4. Aerodynamic twisting force
      5. Centrifugal twisting force
  2. Propeller Nomenclature
    1. Leading edge
    2. Trailing edge
    3. Tip
    4. Shank
    5. Blade face
    6. Blade back
    7. Chord line
    8. Blade angle
    9. Axis of rotation
    10. Blade pitch and distribution
  3. Types of Propellers
    1. Fixed pitch
    2. Ground adjustable
    3. Two position
    4. Controllable pitch
    5. Identification
      1. McCauley
      2. Sensenich
    6. Constant speed
    7. Feathering
  4. Propeller Construction
    1. Wood propellers
    2. Aluminum propellers
    3. Steel propellers
    4. Composite propellers
  5. Propeller Installation and balancing
    1. Tapered shaft
    2. Flanged shaft
    3. Splined shaft
    4. Propeller safetying
    5. Propeller blade tracking
    6. Propeller balancing
  6. Propeller Maintenance
    1. Inspections and checks
    2. Service
    3. Repairs
    4. Lubricants and lubrication
    5. Propeller Federal Aviation Regulations (FARs)
    6. Propeller repair stations
  7. Constant Speed Systems
    1. Theory
    2. Types
    3. Instrumentation
    4. Controls
    5. Governors
    6. System operation
    7. Installation and removal
    8. Inspections and checks
    9. Troubleshooting
    10. Service and repairs
  8. Feathering Systems
    1. Theory
    2. Types
    3. Controls
    4. System operation
      1. Instrumentation
      2. Accumulator
      3. Governors
    5. Installations
    6. Inspections and checks
    7. Troubleshooting
    8. Service and repair
  9. Reversing Systems
    1. Theory
    2. Types
    3. Controls
    4. System operation
      1. Instrumentation
      2. Precautions
    5. Installations
    6. Inspections and checks
    7. Troubleshooting
    8. Service and repair
  10. Propeller Icing Systems
    1. Theory
    2. Types
    3. Controls
    4. System operation
    5. Installations
    6. Inspections and checks
    7. Troubleshooting
    8. Service and repair
  11. Propeller Synchronizing Systems
    1. Theory
    2. Types
    3. Instruments
    4. Controls
    5. Special sub systems
    6. System operations
    7. Installation removal
    8. Inspections and checks
    9. Troubleshooting
    10. Service and repair
  12. Unducted Fans
    1. Theory
    2. Types
    3. System operations
    4. Systems components
    5. Installations
    6. Inspections and checks
    7. Troubleshooting
    8. Service and repairs