Free standing boom with substantially constant leech tension

Details Free standing boom with substantially constant leech tension Free standing boom with substantially constant leech tension

1994-06-15

1995-11-07

Swinehart, Edwin L.

Ships

Watercraft with means used in providing sailpower

Having specifically defined hull shape

114 89, B63B 3500

Patent

active

054639697

ABSTRACT:
A sailboat provided with a free standing boom and in one version with a free standing mast that is separate from and immediately adjacent and forward of the boom mounting. The boom is separately mounted to be self supporting by a stub shaft in a bearing socket and the shaft is rotatable about an axis that is parallel to the line passing through the luff of the sail with which the boom is associated. The boom may also be a jib boom and in that case the rotatable mounting is closely adjacent the headstay.

REFERENCES:
patent: 2107303 (1938-02-01), Ljungstrom
patent: 3749042 (1973-07-01), Jackson
patent: 3835804 (1974-09-01), Jackson
patent: 4061101 (1977-12-01), Cook

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