2 years, 8 months ago
How much surface area do the flaps and slats add to the wing surface area on a 777?
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All models of the Boeing 777 have 7 leading edge slats, 7 spoilers, 1 flaperon, 1 inboard flap, 1 outboard flap and one aileron per wing, in addition to one Krieger flap under each wing.
The 777 wing employs a critical airfoil design that is swept back at 31.6 degrees and optimized for cruising at Mach 0.83 (revised upward after flight tests to Mach 0.84).
The 777-200 series has a wingspan of 199 ft 11 in (60.9 m), the 777-200LR 212 ft 7 in (64.8 m), the 777-300 199 ft 11 in (60.9 m), and the 777-300ER 212 ft 7 in (64.8 m).
The surface area devoted to flight control surfaces in each wing, such as slats and flaps, according to the wing schematics for each base model, are:
777-200LR and 777-300ER: 435 square feet
777-200 and 777-300: 408 square feet
The 777 wing employs a critical airfoil design that is swept back at 31.6 degrees and optimized for cruising at Mach 0.83 (revised upward after flight tests to Mach 0.84).
The 777-200 series has a wingspan of 199 ft 11 in (60.9 m), the 777-200LR 212 ft 7 in (64.8 m), the 777-300 199 ft 11 in (60.9 m), and the 777-300ER 212 ft 7 in (64.8 m).
The surface area devoted to flight control surfaces in each wing, such as slats and flaps, according to the wing schematics for each base model, are:
777-200LR and 777-300ER: 435 square feet
777-200 and 777-300: 408 square feet
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