AMET 113 - Propellers


This module covers propeller systems and vibration resulting from rotating mass.

 

Hours: 32 (Lecture Hours: 32)

 

Total Weeks: 15

 

Prerequisite:

Admission to Aircraft Maintenance Engineering Program

 

Non-Course Prerequisites:
None

 

Co-requisites:
None

 

Course Content:
Propeller Theory
- Explain how rotary torque from an engine is converted to thrust from a rotating airfoil
- Employing the correct nomenclature, explain the function of the external parts of fixed and variable pitch propellers
- Explain the variables that affect propeller operation
- Define classifications of propellers
- Describe the construction, assembly, and advantages of both wood and metal fixed-pitch propellers and ground- adjustable propellers
- Explain the purpose of variable pitch and constant speed systems
Propeller Systems
- Locate all applicable air regulations
- Explain the components and their operation in selected constant-speed and feathering propellers for small aircraft
- Explain the components and their operation in selected turbopropeller installations
- Explain components and their operations in selected large aircraft installations
- Explain the functions of the components in a synchronizing and synchrophasing system
- Explain the functions of the components in an autofeather system
- Demonstrate the proper procedures for removal and installation of various types of propellers
- Explain maintenance of propellers to airworthiness standards
Vibration Analysis
- Explain the transmission of sound in different mediums
- Demonstrate vibrations in rotating and not-rotating devices
- Explain nodes, anti-nodes, inherent vibrations, masking and harmonics
- Demonstrate vibration troubleshooting techniques
- Describe different types of test equipment and the function of their various components
- Demonstrate static balance of an aircraft propeller or a helicopter rotor system
- Demonstrate use of dynamic balance equipment to balance an aircraft propeller or a helicopter rotor system
- Discuss air regulations pertinent to vibration analysis and rectification

 

Grading System: Percentage

 

Passing Grade: 70%

 

Percentage of Individual Work: 100

 

Textbooks:
Textbooks are subject to change. Please contact the bookstore at your local campus for current book lists.