Sail system with adjustable sail area

Details Sail system with adjustable sail area Sail system with adjustable sail area

1986-06-26

1987-11-17

Nase, Jeffrey V.

Ships

Sail or control means therefor

Specific sail structure or arrangement

114 391, B63H 904

Patent

active

047065915

ABSTRACT:
A sail and mast assembly for a sailboard, includes a main sail section and one or more removable sail sections attachable to the foot of the main sail section, thereby to provide a sail with adjustable sail area to suit varying wind conditions. The assembly also includes an adjustable-height mast, to which the sail is operatively attached, whereby the mast height can be changed, as removable sail sections are added or removed, to maintain a desired proportion between the mast height and the length of the leading edge or luff of the sail. The mast height is adjustable by a telescoping mechanism, which in a second embodiment, the mast height is changed by attaching or removing mast segments to the top of a mast. A single batten can be used for the sail segments in one embodiment. In another embodiment a multi-piece batten is provided for the sail segments.

REFERENCES:
patent: 8164 (1851-06-01), Brown
patent: 92243 (1869-09-01), Mair
patent: 843822 (1907-02-01), Jennings
patent: 2247219 (1941-06-01), Childs
patent: 3974791 (1976-08-01), Haarstick et al.
patent: 4612868 (1986-09-01), Reynolds

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