Vee hull construction

Details Vee hull construction Vee hull construction

1979-05-24

1980-11-18

Frankfort, Charles E.

Ships

Displacement-type hull

114291, 114290, B63B 100

Patent

active

042339200

ABSTRACT:
The performance characteristics of a vee type planing hull are significantly increased by a combination of features for reducing drag and increasing attitude control.
Exemplary of the former are a concave running pad to which air is inducted to reduce hull drag and an angled transom terminating at a transverse hull "step" which permits the outboard propulsion unit to be carried higher reducing unit drag. The presence of longitudinal "wedges" increase hull lift as planing speed is approached allowing the hull to plane at a lower speed.
Transverse wedge elements positioned outboard of the concave running pad maintain a stern lifting torque for controlling bow up angle.

REFERENCES:
patent: 3051115 (1962-08-01), Canazzi
patent: 3259092 (1966-07-01), Kara
patent: 3698342 (1972-10-01), Jackson
patent: 4027613 (1977-06-01), Wollard

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