Sail and sailing rig

Details Sail and sailing rig Sail and sailing rig

1984-11-28

1987-01-20

Basinger, Sherman D.

Ships

Watercraft with means used in providing sailpower

Having specifically defined hull shape

114103, B63H 908

Patent

active

046373314

ABSTRACT:
A sail and sailing rig smoothes the flow of air past a conventional mast and onto the sail, thereby enhancing the power of the sail. The sail includes a sail body having a mast-enveloping portion located at its luff in the form of a sleeve or a plurality of loops that encircle and rotate about the mast, and a connected remaining portion. The sail also has a forward fairing connected to a leading surface of the mast-enveloping portion of the sail body; the forward fairing is rotatable about the mast with rotation of the mast-enveloping portion. The sailing rig includes structures for attaching the sail to the mast, and structures for pulling the sail in and easing it out. The former may include structures for facilitating rotation of the mast-enveloping portion of the sail.

REFERENCES:
patent: 2561253 (1951-07-01), Wells-Coates
patent: 3802366 (1974-04-01), Mankawich
patent: 4437425 (1984-03-01), Unden
patent: 4487148 (1984-12-01), Umeda
patent: 4593638 (1986-06-01), Cochran et al.

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