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Cruise Performance

Introduction:

Understanding the Drag Curve:

  • As seen in Figure 5-6, at some given airspeed, total drag is at its minimum amount
  • In figuring the maximum range of aircraft, the thrust required to overcome drag is at a minimum if drag is at a minimum
  • The minimum power and maximum endurance occur at a different point

Maximum Range:

  • Best range airspeed is an airspeed that should allow an aircraft to fly the farthest distance

Maximum Endurance:

  • Best endurance airspeed is an airspeed that allows for an aircraft to remain flying for the most amount of time
  • As seen in Figure 5-6, at some given airspeed, total drag is at its minimum amount
  • In figuring the maximum range of aircraft, the thrust required to overcome drag is at a minimum if drag is at a minimum
  • The minimum power and maximum endurance occur at a different point

References: