Foil arrangement for a planning craft

Details Foil arrangement for a planning craft Foil arrangement for a planning craft

Filed on

1986-04-18

Date issued

1987-05-19

Examiner

Peters, Jr., Joseph F.

Patent Class

Ships

SubClass

Displacement-type hull

SubSubClass

Multiple hulls

Other Related Categories

114274, 114280, B63B 112

Type

Patent

Status

active

Patent number

046658530

Description

ABSTRACT:
A catamaran including two hulls defining a tunnel between them. The tunnel is bridged below the waterline by transversely arranged hydrofoils. The relatively larger mainfoil is located behind, and the smaller trimfoil in front of, the longitudinal center of gravity of the catamaran. This arrangement considerably reduces the high hump resistance of the catamaran.

REFERENCES:
patent: 2274200 (1942-02-01), Hill
patent: 2890672 (1959-06-01), Boericke
patent: 4552083 (1985-11-01), Schmidt
patent: 4606291 (1986-08-01), Hoppe

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Also associated with

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