Method and an arrangement for producing a curved sail

Details Method and an arrangement for producing a curved sail Method and an arrangement for producing a curved sail

1979-02-21

1982-01-12

Halvosa, George E. A.

Geometrical instruments

Area integrators

Electrical

33 21R, 33176, 114103, B63H 906

Patent

active

043098240

ABSTRACT:
A working surface reproducing the final shape of the sail is used on which webs of sail cloth are placed, then cut to size and joined together in the pre-selected shape of the sail, and subsequently the area of the sail is marked and cut out by adjustable tracing bars. The working surface is of adjustable shape, designed to match the final shape of the sail, and is provided by a shaped flexible plate. This plate may be bent from an approximately flat normal position to form a convex and/or concave working surface.

REFERENCES:
patent: 3618886 (1971-11-01), Graham
patent: 3974791 (1976-08-01), Haarstick et al.

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