This paper discusses the major design factors and the methodology used by The Boeing Company in the development of derivatives to large commercial airplanes. Although the classic phases of development have not changed, the airplane design process has become significantly more complex, primarily due to increased regulatory involvement and to more sophisticated and continually evolving airline requirements. Cost-effective design with minimum price impact has become much more dominant and is second only to safety in importance. A direct result is increased emphasis on derivative model development. Technology improvement continues, but application must be tempered by cost considerations. One area where technology has been applied effectively is in development of computerized design aids. Increased use of computers has provided a marked increase in analytical capability and, at the same time, reduced the impact of changing design in derivative applications. This paper reviews marketing pressures and design requirements that orient program direction. Then, the discussion focuses on design techniques, and the analytical tools available. An overview is presented on the decision process used to arrive at final configuration definition. Finally, a case study on the evolution of the 747-300 model is presented to illustrate current methodology and review how the major factors shaped the design.
Large airplane derivative development methodology
Methoden der Entwicklung von Typvarianten bei Grossflugzeugen
AIAA-Papers ; Okt ; 1-13
1985
13 Seiten, 18 Bilder
Conference paper
English
Large airplane derivative development methodology
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