Aviation & Aeronautics
Intermediate
Power Required (Level Flight)
Power needed to sustain level flight equals drag times true airspeed.
Formula
Variables
P_rPower required
DDrag
VTrue airspeed
Example
Drag 2000 N at 100 m/s: P_r = 200 kW
Did You Know?
Power required rises with the cube of speed for parasite drag — flying fast is expensive.
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