NASA NTRS · 19900000326
Air-Velocity Sensor For Helicopter
Abstract
New airspeed sensor conceived for accurate measurement of both airspeed and direction of flight of helicopter. Direction of motion of helicopter displayed by lighting of one of series of lamps encircling digital display of airspeed. Pressure transducer measures difference between impact and static pressures at tip of rotor blade by use of conventional pitot-static-tube assembly.
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Garner, H. Douglas, Hellbaum, Richard F.. 1990-07-01. Air-Velocity Sensor For Helicopter. https://ntrs.nasa.gov/citations/19900000326
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