Boeing 777 Series Airframes
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BOEING 777 SERIES C. KUTAY UYSAL
777-200 / 777-200ER
777-200LR / 777 Freighter
777- 300
777- 300ER 777- 8X 777- 9X
Lenght 63.7 m 63.7 m 73.9 m 73.9 m 69.5 m 76.5 m
Wingspan
60.9 m 64.8 m 60.9 m 64.8 m
Unfolded: 71.8 m Folded: 64.8 m
Unfolded: 71.8 mFolded: 64.8 m
Tail Height
18.5 m 18.8 m 18.5 m 18.7 m 18.5 m 18.7 m
Fuselage Width
6.19 m 6.19 m 6.19 m 6.19 m 6.19 m 6.19 m
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Large Folding Wing Tips Largest Landing Gears
and the Biggest Tires
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THANK YOU FOR LISTENING
ANY QUESTIONS?
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OUTLINE
• Technical Details
• Landing Gears
• Folding Wingtips
• Materials
• Bibliography
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TECHNICAL DETAILS
777-200 / 777-200ER
777-200LR / 777 Freighter 777- 300
777- 300ER 777- 8X 777- 9X
Lenght 63.7 m 63.7 m 73.9 m 73.9 m 69.5 m 76.5 m
Wingspan 60.9 m 64.8 m 60.9 m 64.8 m
Unfolded: 71.8 m Folded: 64.8 m
Unfolded: 71.8 mFolded: 64.8 m
Tail Height 18.5 m 18.8 m 18.5 m 18.7 m 18.5 m 18.7 m
Fuselage Width
6.19 m 6.19 m 6.19 m 6.19 m 6.19 m 6.19 m
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LANDING GEARS 777 series features the largest landing gear and the
biggest tires ever used in a commercial jetliner.
The six-wheel bogies are designed to spread the load of the aircraft over a wide area without requiring an additional centerline gear. This helps reduce weight and simplifies the aircraft's braking and hydraulic
systems. Each tire of a 777-300ER six-wheel main landing gear
can carry a load of 26,980 kg, which is heavier than other wide-bodies such as the 747-400
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FOLDING WINGTIPS
Large folding wingtips, 6.40 m long, were offered when the 777 was first launched, to appeal to airlines who might use gates made to
accommodate smaller aircraft, but no airline purchased this option. Folding wingtips reemerged as a design feature at the
announcement of the upgraded 777X in 2013. Smaller folding wingtips of 3.35 m in length will allow 777X models
to use the same airport gates and taxiways as earlier 777s. These smaller folding wingtips are less complex than those proposed for
earlier 777s, and internally only affect the wiring needed for wingtip lights.
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MATERIALS
Composite Materials
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BIBLIOGRAPHY
https://en.wikipedia.org/wiki/Boeing_777 https://tr.wikipedia.org/wiki/Boeing_777 http://
aviation.stackexchange.com/questions/19289/why-has-the-folding-wing-option-of-the-boeing-777-never-been-ordered
https://en.wikipedia.org/wiki/Folding_wing http://www.flugzeuginfo.net/acdata_php/acdata_7773_en.php