D A Wing Section Being Tested In A Wind Tunnel Is Hinged At Its Leading Edge With Freedom To Rotate About The Hinge A 1 (48.02 KiB) Viewed 22 times
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(d) A wing section being tested in a wind tunnel is hinged at its leading edge, with freedom to rotate about the hinge axis. (i) Assume standard sea level conditions; formulate the equilibrium floating angle of the wing at a tunnel speed of 100 kmh?, given that: wing weight is 250 Nm?, c.g. location at 0.4c, a.c. location at 0.24c, Cmac = -0.04, Col = -3° ► dC1/ da = 0.105 deg? = (8 marks) (ii) Appraise with reasons, if the equilibrium is statically stable. (5 marks)
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