What is the CG position if an aircraft has a total moment of 158 386 lb.inch, and weighs 1620 lb?
Moment is the turning force created by the mass acting over a distance or arm and is calculated by multiplying the arm by the mass or weight:
- Moment = Arm x Mass or Weight.
The Centre of Gravity (CG) can be found by adding all the moments and then dividing the total moment by the total mass or weight:
- CG = Total Moment / Total Weight.
- Total Moments = 158 386 in-lb
- Total Mass = 1620 lb
158 386 / 1620 = CG Position of 97.77 inches
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