Ships – Sail or control means therefor – Specific sail structure or arrangement
Patent
1988-10-07
1989-09-12
Basinger, Sherman D.
Ships
Sail or control means therefor
Specific sail structure or arrangement
B63H 904
Patent
active
048649546
ABSTRACT:
A sail particularly suited for use with sailboards engaged in speed sailing made of sailcloth or other sailmaking material has a cut away area forming a vertical slot between the luff and the leech of the sail. This ensures that laminar flow is produced not only at the leading edge of the sail but also at the trailing edge adjacent the leech.
REFERENCES:
patent: 2971488 (1961-02-01), Morissette
patent: 3053219 (1962-09-01), Coon
patent: 4269133 (1981-05-01), Brown
patent: 4646670 (1987-03-01), Jamieson
patent: 4653416 (1987-03-01), Debarge
Multihull International pamphlet, entitled "Composite Wingmasts", by Nick Barlow, dated Sep., 1987. Shows in FIG. 2 on page 231 a multi-slotted C class wing.
Avila Stephen P.
Basinger Sherman D.
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