Oswald Efficiency Factor in Level Flight Formulas

The Oswald Efficiency Factor is a correction factor that represents the change in drag with lift of a three-dimensional wing or airplane, as compared with an ideal wing having the same aspect ratio. And is denoted by e.

Level Flight formulas that make use of Oswald Efficiency Factor

fxZero-Lift Drag Coefficient for given Lift CoefficientGo

fxLift Coefficient given Minimum required ThrustGo

fxZero-lift drag coefficient at minimum required thrustGo

fxMinimum Thrust required for given Lift CoefficientGo

fxMinimum Thrust required for given weightGo

FAQ

What is the Oswald Efficiency Factor?

The Oswald Efficiency Factor is a correction factor that represents the change in drag with lift of a three-dimensional wing or airplane, as compared with an ideal wing having the same aspect ratio.

Can the Oswald Efficiency Factor be negative?

{YesorNo}, the Oswald Efficiency Factor, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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