A 9-gram integrated multihole pressure probe with a cone tip and 1.2 mm hole spacing estimates airspeed (MAE 0.44 m/s) and flow angles (MAE 0.16°) from 3 to 27 m/s, with outdoor flight validation near stall.
Birgenair flight 301,
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Miniature multihole airflow sensor for lightweight aircraft over wide speed and angular range
A 9-gram integrated multihole pressure probe with a cone tip and 1.2 mm hole spacing estimates airspeed (MAE 0.44 m/s) and flow angles (MAE 0.16°) from 3 to 27 m/s, with outdoor flight validation near stall.