Roll-furling mainsail

Details Roll-furling mainsail Roll-furling mainsail

1976-08-30

1977-11-22

Halvosa, George E. A.

Ships

Sail or control means therefor

Reefing and furling

114 39, 114102, 114111, B63H 910

Patent

active

040590631

ABSTRACT:
In the roll-furling mainsail arrangement disclosed herein, the clew of the sail is trimmed to a boom by means of a car which is freely slidable along the boom. An outhaul line rigged to pull aft from the tip of the boom passes forward through a block on the car, thence through a block at the clew of the sail and then back to the car where it is secured. The balance of forces on the car automatically bias it to a position providing an advantageous drawing angle for shaping the mainsail, even at varying stages of partial furling.

REFERENCES:
patent: 601282 (1898-03-01), Sands
patent: 2965407 (1960-12-01), Meisen
patent: 3534700 (1970-10-01), Marshall
patent: 3678876 (1972-07-01), Alter
patent: 3795215 (1974-03-01), Butler
patent: 3835804 (1974-09-01), Jackson

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