High speed boat hull

Details High speed boat hull High speed boat hull

1978-04-24

1980-03-18

Frankfort, Charles E.

Ships

Hull or hull adjunct employing fluid dynamic forces to...

Having fluid channeling or entrapping configuration

114 56, 114 62, B63B 100

Patent

active

041933699

ABSTRACT:
A boat hull has a bottom formed with a modified V-shaped longitudinal surface forming the keel and has a tunnel surface disposed on each side of the keel. Both tunnel surfaces have substantially vertical and parallel side surfaces connected by a substantially horizontal surface which is parallel to a base plane in a transverse direction. The outboard side surfaces of each tunnel surface have a transition portion starting aft of the midship section which portion transforms to a respective incline surface at the stern, which surface slopes outwardly and downwardly. The hull also has an outboard flat bottom disposed on each side of the tunnel surfaces. Inboard of each tunnel surface, the modified V-shaped keel has inclined longitudinal surfaces inclining upwards towards the centerline.

REFERENCES:
patent: 3330239 (1967-07-01), Dornak
patent: 3376840 (1968-04-01), Zaphiriov
patent: 3776168 (1973-12-01), Weeks
patent: 3902445 (1975-09-01), Stolk
patent: 3930455 (1976-01-01), Bremer
patent: 4022143 (1977-05-01), Krenzler

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