Dial a sail

Details Dial a sail Dial a sail

2007-02-12

2010-10-19

Caputo, Lisa M (Department: 2855)

Measuring and testing

Navigation

Take-off and landing monitors

Reexamination Certificate

active

07814784

ABSTRACT:
A device for guiding the helmsman and crew of a sailing vessel in steering a correct point of sail course relative to the true wind by knowing the numerical compass degrees for every point of the compass rose for every point of sail. The device employs two dials coupled together to present the direction of the true wind in compass points to the point of sail on both a starboard tack and port tack in numerical compass degrees. This manual operated computer calculates the compass reading for all points of sail.

REFERENCES:
patent: 2527691 (1950-10-01), Watson
patent: 4122710 (1978-10-01), Meller
patent: 4149410 (1979-04-01), Lonnroth
patent: 4236409 (1980-12-01), Brachet
patent: 4340936 (1982-07-01), Mounce
patent: 4446729 (1984-05-01), Watson, III
patent: 4481810 (1984-11-01), O'Brien
patent: 5127358 (1992-07-01), Galloway et al.
patent: 5450344 (1995-09-01), Woo et al.

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