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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Principles of Flight > In classical linear thin-aerofoil theory, with geometry and lift-curve slope otherwise unchanged, how does the constant pitching-moment coefficient caused by positive camber directly affect static longitudinal stability?

327 - ATPL Question Bank in English - In classical linear thin-aerofoil theory, with geometry and lift-curve slope otherwise unchanged, how does the constant pitching-moment coefficient caused by positive camber directly affect static longitudinal stability?

Question 327 - Principles of Flight - ATPL - Airline Transport Pilot Licence

Positive effect, because the centre of pressure shifts rearward at increasing angle of attack

No effect, because camber of the aerofoil produces a constant pitch down moment coefficient, independent of angle of attack

Positive effect, because the lift vector rotates backward at increasing angle of attack

Negative effect, because the lift vector rotates forward at increasing angle of attack

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