For a typical jet following diagram is presented. What should be the average empty weight fraction for the aircraft?(a) 0.5(b) 0.35(c) 0.425(d) 0.42The question was asked in a national level competition.I'm obligated to ask this question of Conceptual Sketch Sizing topic in division Conceptual Sketch Sizing of Aircraft Design

For a typical jet following diagram is presented. What should be the a

1.	For a typical jet following diagram is presented. What should be the average empty weight fraction for the aircraft?(a) 0.5(b) 0.35(c) 0.425(d) 0.42The question was asked in a national level competition.I'm obligated to ask this question of Conceptual Sketch Sizing topic in division Conceptual Sketch Sizing of Aircraft Design
Answer» Right OPTION is (c) 0.425 To elaborate: Here, CHART is SHOWN for typical aircraft. From chart, the average VALUE of weight fraction = (0.5+0.45+0.4+035)/4 = 0.425

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