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Helicopters
 

Helicopters

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    Helicopters Helicopters Presentation Transcript

    • HELICOPTERS WHY HELICOPTERS? OVERVIEW CONTROLS
    •  Why Helicopters 1)VTOL(VERTICAL TAKE-OFF AND LANDING) 2)HOVER
    • TORQUE & ANTI-TORQUE• Helicopters experience a torque about its C.G due to spinning rotor• So in order to be stable anti-torque must be generated
    • Types of anti-torque techniques 1) Main rotor techniques• Co-axial rotors Tandem rotors• Side by side rotors Intermeshed rotors
    • 2)Tail rotor techniques• Simple tail rotor Shrouded tail rotor• Lateral thruster NOTOR ( No tail rotor )
    • Control mechanism of HelicopterSWASHPALTESPITCH CYCLICCOLLECTIVEA swashplate is a device that translates input viathe helicopter flight controls into motion of themain rotor bladesTilt the swash plate forward and aft(longitudinal cyclic),varying the aircraft pitch,Tilt the swash plate left and right (lateral cyclic),varying the roll
    • Control on fuselageTo pilot hand
    • Any Questions
    • THANK YOU