Ships – Displacement-type hull – Multiple hulls
Patent
1990-05-14
1991-03-05
Basinger, Sherman
Ships
Displacement-type hull
Multiple hulls
114163, 114265, B63B 100
Patent
active
049969358
ABSTRACT:
A stable racing catamaran with hydrofoil qualities is disclosed. The stable racing catamaran with hydrofoil qualities includes a deck, a pair of forward pylons affixed to the deck, a pair of aft pylons affixed to the deck, a pair of forward hulls affixed to the pair of forward pylons, respectively, a pair of aft hulls affixed to the pair of aft pylons, respectively, a pair of forward skags affixed to the pair of forward hulls, respectively, a pair of aft skags affixed to the pair of aft hulls, respectively, a pair of forward rudders disposed in close proximity to the pair of forward hulls, respectively, a pair of aft rudders disposed in close proximity to the pair of aft hulls, respectively, a pair of forward rudder shafts for rotatably mounting the pair of forward rudders, respectively, and a pair of aft rudder shafts for rotatably mounting the pair of aft rudders, respectively. Furthermore, the present invention reduces resistance and minimizes drag by streamlining, the hulls of the present invention are removably mounted so that hulls with different designs and/or displacements can be quickly and easily interchanged, unwanted lateral motion and drift that affects stability are minimized by the present invention, and unwanted yaw motion that affects stability is also minimized by the present invention.
REFERENCES:
patent: 2996030 (1961-08-01), Lornson
patent: 4174671 (1979-11-01), Seidl
patent: 4440103 (1984-04-01), Lang
patent: 4552083 (1985-11-01), Schmidt
patent: 4763596 (1988-08-01), Yoshida
patent: 4919063 (1990-04-01), Hall et al.
Avila Stephen P.
Basinger Sherman
Kroll Michael I.
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