Guangchu Hu March 10,2000

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The Presentation for Configuration Aerodynamics

My Favorite Airplane --- Boeing 757 - 300

Guangchu Hu

March 10,2000

Boeing 757 - 300

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Why Boeing 757-300 Is My

Favorite Airplane??

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Data presented in Reliability,Economics and Fuel Efficiency came from :


  • During the first two months of revenue service, Condor recorded a 99.5 percent dispatch reliability rate, the best of any model introduced in recent years.

  • Technical reliability is 99.7 percent in operation more than 11,000 flight hours and 5400 flights.

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  • Has the lowest seat-mile cost of any single-aisle jetliner on the market.

  • The 757-300 decreased seat cost by about 10 percent over 757-200.

Fuel Efficiency

The most fuel-efficient aircraft in the lufthousa group today is the Boeing 757-300 of Cordor. It consumes only 3.1 liters to transport one passenger over a distance of 100 kilometers.

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Two 191.7 KN Rolls-Royce RB 211-535 E4-B or 195.1 KN Pratt & Whitney PW2043 Turbofan, total fuel capacity 43,494 liters.


Typical cabin arrangements provides for 240 passengers (10 First class, 228 economy) in mixed class configuration or 279 passengers in inclusive tour configuration



1 The data presented in Specification came from JANE’S ALL THE WORD’S AIRCRAFT 1999-2000, but the pictures were copied from

2 A represents the airplane with 191.7 KN Rolls-Royce RB 211 – 535 E4-B Engine;

3 B represents the airplane with 195.1 KN Pratt & Whitney PW2403 Engine.


  • Wing span 38.05m

  • Wing chord at root 8.20m

at tip 1.73m

  • Wing aspect ratio 7.8

  • Wing Area 185.25 m2

  • Sweep back 25 degree at quarter-chord

  • Dihedral 5 degrees

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External Dimentions

  • Length overall 54.43 m

  • Fuselage 54.08 m

  • Height over all 13.56 m

  • Tailplane span 15.21 m


  • Trailing-edge flaps(total) 30.38 m2

  • Leading-edge slats(total) 18.39 m2

  • Flight spoilers(total) 10.96 m2

  • Ailerons(total) 4.46 m2

  • Ground spoilers(total) 12.82 m2

  • Fin 34.37 m2

  • Rudder 11.61 m2

  • Tailplane 50.35 m2
  • Elevators(total) 12.54 m2

Weight and Loading

  • Max T-O weight A,B 122,470 kg

  • Operating weight empty A 64,590 kg

B 64,460 kg

B 314 kg/KN


  • Max operating Mach No.(Mmo):A,B 0.86

  • Cruise speed A,B M0.8

  • Approach speed, S/L , flaps down,

at max landing weight A,B 263 km/h

  • Initial cruising height A,B 10,485 m

  • T-O field length ,S/L A 2728 m

B 2743 m

  • Landing field length at max landing weight A 1707 m

B 1759 m

B 3485 n miles

Preliminary Information

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Jet Engine Exhaust Velocity

and Temperature

The following pictures show exhaust velocity and temperature contours aft of the Boeing 757-300 airplane. The contours were

Calculated from the standard computer analysis using three dimensional viscous flow equation with mixing of primary fan

And free stream flow.

Velocity Contours

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Temperature Contours

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Original Model of 757-300

Boeing 757-300 is the stretched version of the Boeing 757-200,measring 23 feet 4 inches (7.1 meters) longer. The extra length allows it to carry 20 percents more passengers than the 757-200 and increases the available cargo volume by nearly 50 percents. But it is not a replacement of 757 - 200, both models are productions

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Future Derivative Airplanes of Boeing 757

Future growth versions could require additional passenger or cargo

capacity or increase range or both. Whether these growth versions could
be built would dependent entirely on airline requirements. In any event,
impact on airport facilities will be a consideration in the configuration
and design

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