Barge dagger skegs

Details Barge dagger skegs Barge dagger skegs

1979-11-05

1986-02-11

Blix, Trygve M.

Ships

Displacement-type hull

Having specific bottom

114129, 114163, B63B 100

Patent

active

045693021

ABSTRACT:
A row of dagger skegs projects downward from the aft portion of the raked counter of a nonpowered, nonsteered barge hull at each side of the longitudinal center line of the hull for stabilizing the barge directionally when towed by a towline trailing a towboat. The upright skegs are of airfoil cross section, and they are tapered downwardly. The leading edge of each skeg, which extends over the major portion of the height of the skeg, is substantially vertical and is spaced rearwardly from the stern counter. The lower end portions of adjacent skegs can be connected by an elongated horizontal bridging member which also is of airfoil cross section having a cambered upper side and a negative angle of incidence.

REFERENCES:
patent: 2430380 (1947-11-01), Welsh
patent: 3080845 (1963-03-01), Pollak
patent: 3750607 (1973-08-01), Seymour et al.
patent: 3934531 (1976-01-01), Allen

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