Adjustable wind direction devices

Details Adjustable wind direction devices Adjustable wind direction devices

1982-06-01

1984-11-13

Frankfort, Charles

Measuring and testing

Navigation

Take-off and landing monitors

33364, 116DIG43, G01C 2100, G01C 1708

Patent

active

044818106

ABSTRACT:
This invention sets forth a wind tracking device particularly useful on sailing vessels for determining the best sailing direction relative to the wind. The reference card is provided with color panels which cooperate with lines on the dome to indicate best direction. Further, the card has circular lines about the axis which cooperate with a dot on the axis of the dome to indicate a 360.degree. level condition around a horizontal plane.

REFERENCES:
patent: 1270178 (1918-06-01), Lehtinen
patent: 1300602 (1919-04-01), Goddard
patent: 2396202 (1946-03-01), Reitzer
patent: 2859725 (1959-07-01), Anderson
patent: 3217420 (1965-11-01), Dinsmore
patent: 3613251 (1971-10-01), Fitzpatrick et al.
patent: 3664292 (1972-05-01), Sherman
patent: 3678591 (1972-07-01), Selig, Jr.
patent: 3805400 (1974-04-01), Giltzow et al.
patent: 3824947 (1974-07-01), Honkaranta et al.
patent: 4149410 (1979-04-01), Lonnroth
patent: 4150491 (1979-04-01), Ansar

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