boeing 777 series airframes

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BOEING 777 SERIES C. KUTAY UYSAL 777- 200 / 777- 200ER 777- 200LR / 777 Freighte r 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 m Folded: 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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Page 1: Boeing 777 Series Airframes

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

Page 2: Boeing 777 Series Airframes

Large Folding Wing Tips Largest Landing Gears

and the Biggest Tires

Page 3: Boeing 777 Series Airframes

THANK YOU FOR LISTENING

ANY QUESTIONS?

Page 4: Boeing 777 Series Airframes

OUTLINE

• Technical Details

• Landing Gears

• Folding Wingtips

• Materials

• Bibliography

Page 5: Boeing 777 Series Airframes

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

Page 6: Boeing 777 Series Airframes

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

Page 7: Boeing 777 Series Airframes

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.

Page 8: Boeing 777 Series Airframes

MATERIALS

Composite Materials