Stabilized wind direction indicator

Details Stabilized wind direction indicator Stabilized wind direction indicator

1984-09-18

1986-07-01

Ruehl, Charles A.

Measuring and testing

Navigation

Leeway incidence or side-slip

G01W 100

Patent

active

045972877

ABSTRACT:
A wind direction indicator for a marine craft such as a sailboard has a horizontal spar consisting of a resilient portion connected to a curved plate which may be attached to the mast of the craft, and a rigid portion extending from said resilient portion to a universal joint which is also attached to a counter-balance foil which assumes a vertical position independent of the orientation of the mast. Vane is asymmetrically pivoted to the counter-balance foil, with the pivot point nearer the pointer of the vane than the tail.

REFERENCES:
patent: 1827151 (1931-10-01), Jones
patent: 2363087 (1944-11-01), Salisbury
patent: 2681569 (1954-06-01), Hirschoff
patent: 3049008 (1962-08-01), Polster
patent: 3371529 (1968-03-01), Tillman
patent: 4389887 (1983-06-01), Howlett

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