Indicator of true wind direction for sail boats

Details Indicator of true wind direction for sail boats Indicator of true wind direction for sail boats

1977-11-04

1979-04-24

Stearns, Richard R.

Geometrical instruments

Indicator of direction of force traversing natural media

With preselected direction indicator

33355R, 33364, G01C 1714

Patent

active

041504917

ABSTRACT:
A compass with means attached thereto for presenting a visual indication of the direction of the true wind. Such compass includes a compass dial divided into a plurality of equal parts, and it can be arranged to suit different viewing angles. To suit different types of boats, sailing conditions, etcetera, the indicating means may be adjustable. The device computes mechanically the direction of the true wind from the knowledge of the boat's course and the angle between such course and the direction of the true wind.

REFERENCES:
patent: 742472 (1903-10-01), Moses
patent: 1282095 (1918-10-01), McArdle
patent: 2303990 (1942-12-01), Dietz
patent: 2363087 (1944-11-01), Salisbury
patent: 3664292 (1972-05-01), Sherman
patent: 3824947 (1974-07-01), Honkaranta et al.

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