Page 10 - FAA-H-8083-21B Helicopter Flying Handbook
P. 10

Chapter 4                                         Chapter 5
        Helicopter Components, Sections,                  Rotorcraft Flight Manual .....................................5-1
        and Systems ........................................................4-1  Introduction ....................................................................5-1
        Introduction ....................................................................4-1  Preliminary Pages ..........................................................5-2
        Airframe .........................................................................4-1  General Information (Section 1) ....................................5-2
        Fuselage .........................................................................4-2  Operating Limitations (Section 2) .................................5-2
        Main Rotor System ........................................................4-2  Instrument Markings ..................................................5-2
          Semirigid Rotor System .............................................4-2  Airspeed Limitations ..................................................5-2
          Rigid Rotor System ....................................................4-3  Altitude Limitations ...................................................5-3
          Fully Articulated Rotor System ..................................4-4  Rotor Limitations .......................................................5-3
          Tandem Rotor .............................................................4-6  Powerplant Limitations ..............................................5-3
          Coaxial Rotors ............................................................4-6  Weight and Loading Distribution ...............................5-4
          Intermeshing Rotors ...................................................4-6  Flight Limitations .......................................................5-4
        Swash Plate Assembly ...................................................4-6  Placards ......................................................................5-4
        Freewheeling Unit ..........................................................4-7  Emergency Procedures (Section 3) ................................5-4
        Antitorque System .........................................................4-7  Normal Procedures (Section 4) ......................................5-5
          Fenestron ....................................................................4-8  Performance (Section 5) ................................................5-5
          NOTAR  ® ....................................................................................................4-8  Weight and Balance (Section 6) ....................................5-5
        Antitorque Drive Systems ..............................................4-8  Aircraft and Systems Description (Section 7) ...............5-5
        Engines ...........................................................................4-8  Handling, Servicing, and Maintenance (Section 8) .......5-5
          Reciprocating Engines ................................................4-8  Supplements (Section 9) ................................................5-6
          Turbine Engines .........................................................4-8  Safety and Operational Tips (Section 10) ......................5-6
            Compressor ...........................................................4-10  Chapter Summary ..........................................................5-6
            Combustion Chamber ...........................................4-10
            Turbine ..................................................................4-10  Chapter 6
            Accessory Gearbox ...............................................4-10  Weight and Balance ............................................6-1
        Transmission System ...................................................4-10  Introduction ....................................................................6-1
          Main Rotor Transmission .........................................4-11  Weight ............................................................................6-2
            Dual Tachometers .................................................4-11  Basic Empty Weight ...................................................6-2
            Structural Design ..................................................4-12  Maximum Gross Weight ............................................6-2
                                                            Weight Limitations .....................................................6-2
          Clutch .......................................................................4-12  Balance ...........................................................................6-2
            Belt Drive Clutch ..................................................4-12  Center of Gravity ........................................................6-2
            Centrifugal Clutch ................................................4-13  CG Forward of Forward Limit ...................................6-3
        Fuel Systems ................................................................4-13  CG Aft of Aft Limit ...................................................6-3
          Fuel Supply System ..................................................4-13  Lateral Balance ...........................................................6-3
          Engine Fuel Control System ....................................4-14  Weight and Balance Calculations ..................................6-4
          Carburetor Ice ...........................................................4-14  Reference Datum ........................................................6-4
          Fuel Injection ............................................................4-15  Chapter Summary ..........................................................6-4
        Electrical Systems ........................................................4-16
        Hydraulics ....................................................................4-16  Chapter 7
        Stability Augmentations Systems ................................4-17  Helicopter Performance ......................................7-1
          Force Trim ................................................................4-17  Introduction ....................................................................7-1
          Active Augmentation Systems  ................................4-17  Factors Affecting Performance ......................................7-2
          Autopilot ...................................................................4-18  Moisture (Humidity) ..................................................7-2
        Environmental Systems ...............................................4-18  Weight ........................................................................7-2
        Anti-Icing Systems .......................................................4-19  Winds .........................................................................7-2
          Engine Anti-Ice ........................................................4-19  Performance Charts ........................................................7-2
          Airframe Anti-Ice .....................................................4-19  Height/Velocity Diagram ...........................................7-2
          Deicing  ....................................................................4-19  The Effect of Weight Versus Density Altitude .......7-3
        Chapter Summary ........................................................4-19  Autorotational Performance .......................................7-4



        x
   5   6   7   8   9   10   11   12   13   14   15