Question

Two planes are similar, but one is jet-powered and the other has a piston engine and propeller. The impulse line in each case is well below the CG with zp/c= 0.4. the heaving (pitching) moment starting at de = 0 is Cm = 0.1 -0.2CL. The traction for a given flight level with gives CL = 0.4 and L/D = 12 Consider multiple straight flights having conditions with the same traction setting but configurations different elevator, CL values, and flight path angles. Find a Cm(a)/ aCl (for de = 0) for: i. Jet Airplane ii. propeller plane iii. Both when passing through the altitude corresponding to the flight level conditions. aCm/aCl is an index of static longitudinal stability under certain conditions. Supposing that these conditions are met in this problem, how will the stability of the two aircraft be when the aircraft decelerates?​

Answer 1

Answer:

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