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Performing geometric description of a thing to be built.
Design is a very Fluid Process.
Detail Design
Preliminary Design
Conceptual Design
Take off Weight Buildup
(Take off Gross Weight)
Payload (passengers) Crew Weight Fuel weight the remaining(Empty
Weight)
At Subsonic speeds L/D is mostly affected by two
aspects of the design:
1-Wing Span. 2-Wetted Area.
Wing Vertical Location
High Wing Mid Wing Low Wing