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Which mechanism limits accuracy estimating drone airspeed using pitot-static differential pressure based on Bernoulli's equation?

A)Boundary layer flow separation
B)Compressible flow effects
C)Sensor calibration drift
D)Atmospheric pressure gradients

💡 Explanation

Boundary layer flow separation at the static port introduces errors; therefore, airspeed is under-predicted because flow separation alters the pressure distribution affecting differential pressure readings, rather than compressibility which matters at high speeds.

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