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Module I: Rotor configuration (3 hrs)
Introduction to rotary wing aircraft and Torque reaction, Different configurations to nullify the Torque reaction – Jet rotors and compound helicopters
Module II: Methods of Control (3 hrs)
Problem in rotary wing with compare to fixed wing aircraft, Methods of Control, rotor blade pitch control, –Collective pitch and and Cyclic pitch – Lead – Lag and flapping of rotor blade
Module III: Hovering and Vertical Flight (6 hrs)
Hovering performance – Momentum Theory, Blade element theories – Figure of merit – Profile and induced power estimation – Constant Chord and ideal twist rotors, Ground effect.
Module IV: Forward Flight (5 hrs)
Forward flight , Induced, profile and parasite power requirements in forward flight – Performance curves with effects of altitude, Hub Loads, Sideward Flight, Rearward Flight, Turning Flight, Autorotation.
Module V: Helicopter Trim and Stability (4 hrs)
Equilibrium condition of helicopter, Trim analysis, Basics of helicopter stability.
Module VI: VTOL and STOL (5 hrs)
Various configurations – propeller, rotor, ducted fan and jet lift – Tilt wing and vectored thrust –Performance of VTOL and STOL aircraft in hover, transition and forward motion.
Module VII: Ground Effect Machines (4 hrs)
Hovering Flight, lift augmentation and peripheral jet machines – Drag of hovercraft on land and water –Applications of hovercraft.
Source of reference; NPTL
Project- Design and Build a small quad copter and fly it. Use Dassult system for designing
Blade element theories, Figure of merit
Induced Drag, profile and parasite power requirements in forward flight
Performance curves with effects of altitude
Configurations with propeller and rotor
Performance of VTOL and STOL aircraft
lift augmentation and peripheral jet machine