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NOTE: DO NOT MOVE ON TO THE NEXT PAGE WITHOUT ATTEMPTING THESE THREE QUESTIONS!

Consider a twin-engined aircraft with the following specification: 

  • Basic aerodynamic performance CD0 = 0.0178; k = 1.21; AR = 8.3; 
  • Take-off flap configuration: CLmax = 2.05; CD increment = 0.0110;
  • Air speed during 2nd segment climb, V2 = 1.15 x stall speed
  • Throttle setting = 76%
  • Minimum climb gradient = 1.7%

Answer the following three questions in turn:

Q1 What is the value CL during 2nd segment climb, to 3 d.p.?

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