Ships – Sail or control means therefor – Specific sail structure or arrangement
Patent
1996-04-08
1998-07-07
Basinger, Sherman
Ships
Sail or control means therefor
Specific sail structure or arrangement
B63H 906
Patent
active
057752494
ABSTRACT:
The invention includes a two-piece adjustable camber wing-shaped inflatable sail for use as a main and or misin sail and a two-piece adjustable camber wing-shaped inflatable sail for use as a head sail, by contemporary sailing vessels with conventional sail rigs having a mast, boom, headstay, backstay, and sidestays. The main sail features a leading edge and physically separate main body, each having two inflatable cells; one port and starboard, enclosed in an outer cover. The main body will attach to the mast in a conventional manner. The leading edge of the main sail will attach to the front and side portions of the mast and feature two inflatable cell pockets; port and starboard, which to insert independent port and starboard semi-wedge shaped inflatable cells. The leading edge of the main sail will extend from just above the deck to the masthead. The leading edge of the head sail will attach to the headstay and feature two inflatable cell pockets; port and starboard, which to insert independent port and starboard semi-wedge shaped inflatable cells or a solid non-inflatable lightweight core. It will extend from just above the foredeck to the masthead. The main body portions of the main sail and headsail will each feature a center panel, two forward panels, two outer panels, bottom panel, and a plurality of horizontally positioned shaping panels that together form a two-chamber inflatable cell. The inflatable cells can be inflated or deflated independently to adjust the shape of the adjustable camber wing-shaped inflatable sails.
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