Measuring and testing – Navigation – Leeway incidence or side-slip
Patent
1975-01-29
1976-05-18
Myracle, Jerry W.
Measuring and testing
Navigation
Leeway incidence or side-slip
73204, G01F 168
Patent
active
039569322
ABSTRACT:
Apparatus for sensing the temperature, velocity, and direction of the wind, including four temperature-dependent crystal oscillators spaced about an axis, a heater centered on the axis, and a screen through which the wind blows to pass over the crystals. In one method of operation, the frequency of the oscillators is taken when the heater is not energized, to obtain the temperature of the wind, and the frequencies of the oscillators are taken after the heater is energized to determine the direction and velocity of the wind. When the heater is energized, the wind causes the downwind crystals to achieve a higher temperature than the upwind crystals, and with the magnitude of the difference indicating the velocity of the wind.
REFERENCES:
patent: 2447816 (1948-08-01), Rieber
patent: 2981104 (1961-04-01), Auger et al.
patent: 3765240 (1973-10-01), Haus, Jr.
Fletcher James C. Administrator of the National Aeronautics and Space
Laue Eric G.
Stephens James B.
Manning John R.
McCaul Paul F.
Mott Monte F.
Myracle Jerry W.
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