eCalc - wingDesigner - calculate center of gravity (CG)

The wingDesigner4 of visualizes your four 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.
eCalc - get your drive right

It is of crucial importance that the Flying Wing Centre of Gravity (CG) is located at the right point, so that a stable and controllable flight can be achieved.
The 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!
Units:   wingDesigner4 - get the center of gravitiy of a complex wing design
(if less than 4 panels required, define panel span = 0 starting from the far right with W4)
Root chord [R]:   cm
Tip chord [T1 - T2 - T3 - T4]:   - - - cm
Sweep [S1 - S2- S3 - S4]:   - - - cm
Panel span [W1 - W2- W3 - W4]:   - - - cm
AC position:   % MAC
Static margin:   % MAC
CG []:   8.23 cm
AC []:   9.71 cm
MAC @ Distance   14.86 cm @ 14.86 cm
Wingspan:   8.23 cm
Wing Area:   980 cm²
Aspect Ratio   5
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Version 1.05