摘要: The book contains the principles of helicopter flight,special characteristics of the main rotor and its function in autorotation axial and oblique flow,regimes of vertical and horizontal flight,climb and descent,takeoff and landin... 展开 The book contains the principles of helicopter flight,special characteristics of the main rotor and its function in autorotation axial and oblique flow,regimes of vertical and horizontal flight,climb and descent,takeoff and landing,balance,stability and control of the helicopter and their acting aerodynamic forces. (Author) 收起