Sail tension control mechanism

Details Sail tension control mechanism Sail tension control mechanism

1984-11-23

1986-12-02

Blix, Trygve M.

Ships

Sail or control means therefor

Running rigging

114102, 114108, G63H 900

Patent

active

046256725

ABSTRACT:
An automated sail tension control system has a cunningham, outhaul, and vang that are automatically tensioned and eased, as the boom is sheeted in and out, respectively, on either side of the sailing vessel. The system comprises: a mast; a boom connected at its forward end to the mast; a vertical axis of pivot for the boom at its connection with the mast; a cunningham and outhaul that are led from points on the boom substantially aft of the vertical axis of pivot to points on the mast or deck that are substantially forward of or laterally from a projection of the vertical axis of pivot; and a vang whose lower end is usually mounted somewhat forward of a projection of the vertical axis of pivot or on an arced means that allows it to slide laterally more than fore and aft.

REFERENCES:
patent: 403257 (1889-05-01), Falck
patent: 663509 (1900-12-01), McKey
patent: 3464378 (1969-09-01), Veltman
patent: 3820493 (1974-06-01), Amick
patent: 4059063 (1977-11-01), Hood
patent: 4061099 (1977-12-01), Cook
patent: 4503797 (1985-03-01), Maurin
Photos of Slingshot, Technology Illustrated, p. 43, Jul. 1983, USA.

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