Apparent wind direction indicator

Details Apparent wind direction indicator Apparent wind direction indicator

1991-05-29

1992-07-07

Cuchlinski, Jr., William A.

Signals and indicators

Indicators

Fluid flow

116DIG43, 73188, G01P 1302

Patent

active

051273586

ABSTRACT:
Masthead device for sailboats that indicates apparent wind direction composed of a rotating wind vane and a protractor arm encompassing multiple reference marks. These marks can be adjusted with greater compass accuracy to allow several settings in each quadrant creating a series of reference points enabling one to more accurately determine the apparent wind angle from a center point, and thus optimize sail trim, heading and boat speed.

REFERENCES:
patent: 1068169 (1973-07-01), Ricketts
patent: 1384867 (1921-07-01), Sperry
patent: 3224269 (1965-12-01), Weir
patent: 4283943 (1981-08-01), Schoneberger, Jr.
patent: 4488431 (1984-12-01), Miga
patent: 4646567 (1987-03-01), Ahmer

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