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Development of the Model 727 Airplane High Lift System
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English
Abstract
The development of the model 727 airplane high lift system is treated in two parts: aerodynamics, and structural and mechanical design. Part one explains the high lift requirements and traces flap design evolution from a theoretical viewpoint. It discusses trailing edge flaps, leading edge devices, flap geometry, and transition flaps, and presents results of the flight test program. Part two describes design evolution from a mechanical viewpoint. Flap system configuration and construction are detailed.