Wind and boom direction indicating device

Details Wind and boom direction indicating device Wind and boom direction indicating device

1987-06-22

1988-12-13

Basinger, Sherman D.

Ships

Spars

Gaffs, booms, etc.

114144C, 73188, 116265, 116274, 116284, G01W 102

Patent

active

047902558

ABSTRACT:
There is provided a device useful for adjusting the main sail of a sailboat said device being equipped with apparent wind indicating means and color coded means for indicating desirable position for the boom of said main sail; said device being used alone or in combination with the main sail control sheet having color coded portions or with actual boom position indicating means having color coded sections; said color coded portions and color coded sections coinciding with the color coded desirable boom position indicating means.

REFERENCES:
patent: 419608 (1890-01-01), Maret
patent: 3371529 (1968-03-01), Tillman
patent: 3395577 (1968-08-01), Kevin
patent: 3478585 (1969-11-01), Scannell
patent: 3845734 (1974-11-01), Demos
patent: 4031754 (1977-06-01), Bedard
patent: 4314477 (1982-02-01), Yancy
patent: 4646567 (1987-03-01), Ahmer

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