Paravane with automatic depth control

Details Paravane with automatic depth control Paravane with automatic depth control

1980-02-28

1984-08-07

Blix, Trygve M.

Ships

Towing or pushing

Submerged object

114331, B63B 2100

Patent

active

044637012

ABSTRACT:
A paravane includes an elongated fuselage; a wing section of spaced wing bers attached to an intermediate portion of the fuselage; stabilizer fins for maintaining the paravane lined-up with the direction of tow; a depth control flap positioned adjacent the wing section and having a pivot axis extending closely adjacent to the towing point; and depth control means for controlling the position of the control flap. The wing members have a straight leading edge portion, a straight trailing edge portion and a curved intermediate portion wherein the wing members are arranged such that the chord lines extend at oblique angles with the longitudinal axis of the fuselage and such that the resultant hydrodynamic lift force vector acting on the wing section passes through the tow point.

REFERENCES:
patent: 2709981 (1955-06-01), Wilcoxon
patent: 3703876 (1972-11-01), Michelsen
patent: 3842770 (1974-10-01), Hedbawny et al.
patent: 4019453 (1977-04-01), Boswell
patent: 4215862 (1980-08-01), Yoshikawa et al.

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