Unit 1 : Introduction
1.1 Working Principle of Helicopters
1.2 Types of rotorcraft
1.3 Components of Helicopters
1.4 Helicopter Configurations
2.1 Development of Helicopter
2.2 Challenges addressed by early researchers
3.1 Components of Main Rotor System
3.2 Rotor Systems
Fully Articulated Rotor
Semi-Articulated Rotor
Rigid Rotor
3.3 Helicopter Control System
Collective and Cyclic Pitch Control
Anti-Torque Control
Pitch Control
4.1 Anti-Torque System
4.2 Types of Anti-Torque Systems
Tail Rotor
Fenestron
NOTOR