Some proposed mutations in the development of post‐war airplane concepts are reviewed. A classification of general arrangements is made based on the front view of lifting systems in combination with plan views of single and multibody arrangements. Based on the balancing process, attention is paid to differences between configurations featuring a tailplane and those featuring a foreplane. Three‐surface aircraft appear to be a viable alternative to both concepts.
Significant reductions of drag due to lift are offered by nonplanar lifting systems such as the boxplane and the C‐wing. Aircraft with joined wings have an efficient truss structure with high stiffness, leading to weight reductions between 20% and 35% relative to a cantilever wing and tail with the same total lift. A twin‐fuselage concept is applicable to increase the wing span without undue structural weight increase, forming a promising concept for large cargo aircraft. Effects on body structure weight and parasite drag are employed to defeat the square cube law. This chapter finally pays attention to the feasibility of hydrogen‐fuelled commercial transports.
Clean Sheet Design
Advanced Aircraft Design ; 157-195
21.06.2013
39 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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