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Use of individual blade control on a propeller or rotor in axial flight for the purpose of aerodynamic braking and power response modulation
Use of individual blade control on a propeller or rotor in axial flight for the purpose of aerodynamic braking and power response modulation
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机译:在轴向飞行中在螺旋桨或转子上使用单独的刀片控制以用于空气动力学制动和功率响应调制
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摘要
Systems and methods are contemplated for favorably improving flight dynamics of aircraft, including enhanced aerodynamic braking and improved flight maneuverability. Air braking systems selectively position a first set of blades at a negative thrust pitch to product a net negative thrust across first and second sets of blades, while balancing torque of the drive shafts to zero. First and second sets of IBC blades can be driven by the same shaft or torque-linked shafts. Flight maneuver systems operate a powerplant at a high power mode, and dissipate the energy from the high power output by positioning a first set of IBC blades at a low efficiency pitch while maintaining constant thrust. As increased or rapid flight maneuverability is required, the first set of blades is positioned toward a high efficiency pitch to instantly increase thrust to the aircraft without requiring a related increase in energy output from the powerplant.
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