eCalc.ch visualizes your single
panel wing design and evaluates the center of gravity (CG).
It has been found both experimentally and theoretically that, if the
aerodynamic force is applied at a location of 25% of the Mean
Aerodynamic Cord (MAC), the magnitude of the aerodynamic moment
remains nearly constant even when the angle of attack changes. This
location is called the wing's Aerodynamic Centre AC.
Aircraft with fuselage: The CG is based
on 25% MAC (Mean Aerodynamic Cord).
Flying Wings: The CG is based
on 90% of the CG of an aircraft with fuselage.
optimal CG must be evaluated in flight. For safety start
evaluation always with a static margin of 5...15% for a good
longitudinal stability and use resulting CG. Never ever exceed AC on first flight!
Root chord [R]:
Tip chord [T]:
MAC @ Distance
14.86cm @ 14.86cm
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