2 Answers
Procedure to fly for Endurance
Asked by: wailun.wu 3316 views General Aviation, Private Pilot, Student Pilot
Hi I am confused on the proper procedure to fly for endurance. Can someone clarify? I was taught the following way: METHOD 1
- Start from high RPM and indicated airspeed.
- Decrease 100RPM (add in carb heat if necessary).
- Re-adjust angle of attack and retrim.
- Record indicated airspeed.
- Repeat steps 2 to 4 until indicated airspeed no longer drops constantly.
- Increase RPM back to right before the increased airspeed drop.
- Lean the engine.
- 90kts @ 2300RPM
- 85kts @ 2200RPM (Carb heat in)
- 80kts @ 2100RPM
- 75kts @ 2000RPM
- 70kts @ 1900RPM
- 65kts @ 1800RPM
- 57kts @ 1700RPM (drop of indicated airspeed is more than before)
- Start from high RPM and indicated airspeed.
- Decrease RPM until higher RPM is required to go to a lower indicated airspeed.
- When RPM is lowest, that is the airspeed and power for best endurance.
- 90kts @ 2500RPM
- 86kts @ 2400RPM
- 78kts @ 2300RPM
- 74kts @ 2200RPM
- 70kts @ 2150RPM
- 65kts @ 2075RPM
- 61kts @ 2250RPM
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