Hull structure for multi-hull ships

Details Hull structure for multi-hull ships Hull structure for multi-hull ships

1992-01-30

1993-12-14

Basinger, Sherman D.

Ships

Displacement-type hull

Multiple hulls

114 56, B63B 104, B63B 110

Patent

active

052692450

ABSTRACT:
A hull intended for multi-hull vessels for goods and passenger transport at speeds of, e.g., 30-50 knots is characterized in that the vertical distance from the base line of the hull to the center-of-gravity point of the volume of the underwater body of the hull, up to a water line corresponding to a normal hull draft, is over 55% of the hull draft defined between the base line (BL) and the water line (T) in the case of the stern half of the hull extending between the stern and midships. The hull is also characterized in that the vertical position of the center-of-gravity point of the volume of the forward half of the hull, located beneath the water line and extending between the midships and the forward part of the hull, is less than 55% of the draft, and in that the distance between the base line (BL) and the center-of-gravity point of the frame area beneath the water line (T) at a position corresponding to 75% of the total length of the underwater body of the hull, calculated from the stern, is less than 55% of the draft.

REFERENCES:
patent: 3447502 (1969-06-01), Leopold
patent: 4552083 (1985-11-01), Schmidt
patent: 4798153 (1989-01-01), Schmidt
patent: 4811676 (1989-03-01), Franke

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