![]() ![]() Gross wing area is typically 10% larger than net wing area on a sports model. The vast majority of model kit manufacturers quote 'gross wing area' (even if they don't specify it as such) which includes the portions left off in 'net wing area'. You have to be a little careful working out the centre of gravity though, on models of aircraft such as Concorde due to fuselage lift. I usually call this 'net wing area' and it excludes the portion of the fuselage where the wing would be if the fuselage wasn't there (!) and excludes the engine nacelles on multis for example.įuselages can & do generate lift as shown by the lifting body concepts, but I usually assume this to be zero to make life easier. The most logical answer is the area of the wing surface which actually contributes to aerodynamic lift. ![]() The first 'noise' in the system is the definition of wing area. In any case using the term weight avoids you being thought of as a smart a** by other club members. The term 'mass' is scientifically more correct than 'weight' but the difference is relatively unimportant to us as nobody on Ezone to my knowledge has yet tried to fly a Zagi on the moon to find out what a Zagi with 1/6th of the wing loading flies like. So for model aircraft it has units like ounces per square foot or grams per square decimeter. Wing loading is flying weight (actually mass not weight) divided by the wing area. ![]()
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