How can I calculate the moment coefficient around the center of gravity?
$-0.04+0.12*3 (0.31-0.26-{0.07\over 0.12} 1.213564 (1-0.5) + 0.07 × 1.213564(1.5+0)=-0.022$

note that aw=the slope of the liftcurve and Aw=the absolute angle of attack.