Automatically ballasted sailboat

Details Automatically ballasted sailboat Automatically ballasted sailboat

1995-08-02

1996-06-25

Basinger, Sherman

Ships

Apparatus held by or attached to rider to control sailboard...

Foot strap means

114 91, 114124, B63B 1500

Patent

active

055290078

ABSTRACT:
A sailboat without stays for the mast has automatic ballasting which uses a tilting main mast and a tilting pole that has weights traveling up it to counteract increasing wind force upon the sail. The mast and the pole tilt in opposite directions. Their angles are prescribed by a set of gears acting as a motion reversing means, so that as the wind force increases the tilt of the mast, the tops of the mast and pole separate. The weights move up the pole and away from the sailboat's centerline because they are attached to a line fixed to the top of the mast and directed down the pole by a pulley at the pole top. Therefore, as the mast and pole separate, the length of line hanging down the pole is shortened and the weights move up the tilted pole.

REFERENCES:
patent: 1460 (1839-12-01), Purse et al.
patent: 521388 (1894-06-01), Pool
patent: 559983 (1896-05-01), McLean
patent: 2643628 (1953-06-01), Sveinsson
patent: 3417720 (1968-12-01), Covell, Jr.
patent: 3934535 (1976-01-01), Culver
patent: 3972300 (1976-08-01), Adamski
patent: 4501215 (1985-02-01), Hart et al.
patent: 4539926 (1985-09-01), Boffer
patent: 4867089 (1989-09-01), Haigis
patent: 4986202 (1991-01-01), Mourgue et al.

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