Three axis air data system for air vehicles

Details Three axis air data system for air vehicles Three axis air data system for air vehicles

1993-06-30

1994-12-06

Chilcot, Jr., Richard E.

Measuring and testing

Navigation

Take-off and landing monitors

73180, G01C 2100

Patent

active

053699939

ABSTRACT:
An apparatus senses a free stream flow parameter using airflow adjacent an air vehicle. The apparatus includes a first sensor sensing a longitudinal axial component and a lateral axial component of a parameter of local airflow immediately adjacent the first sensor. A second sensor senses a longitudinal axial component and a second axial component perpendicular to the lateral axial component sensed by the first sensor of a parameter of local airflow immediately adjacent the second sensor. The first and second sensors are mounted on the air vehicle such that a longitudinal axis of the first sensor lies in a first plane including a longitudinal axis and a longitudinal axis of the second sensor means lies in a second plane substantially perpendicular to the first plane and including the longitudinal axis of the first plane. A correction unit obtains a signal representing the free stream flow parameter as a function of the parameter components sensed by the first and second sensors.

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