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Find the appropriate value of pitching moment coefficient derivative if lift curve slope is 0.032 per degree and Xcg is 0.3. Consider neutral point is located at 60 % of chord from leading edge.

Find the appropriate value of pitching moment coefficient derivative if lift curve slope is 0.032 per degree and Xcg is 0.3. Consider neutral point is located at 60 % of chord from leading edge. Correct Answer -0.0096 per degree

Given, lift curve slope C= 0.032 per degree, Xcg = 0.3 Neutral point is located at 60% of chord i.e. Xnp = 0.6. Pitching moment derivative = -C* = -0.0032* = -0.0096 per degree.

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