Ships – Displacement-type hull – Screw propeller type
Patent
1973-10-01
1976-01-06
Blix, Trygve M.
Ships
Displacement-type hull
Screw propeller type
114 41, B63B 108
Patent
active
039304566
ABSTRACT:
With ships fitted with more than one propeller, it has been found that a remarkable increase in a ratio speed/power can be obtained especially in full-form ships, if the under-water portion of the ship's afterbody, at a level corresponding to the top clearance of the propellers, is divided into an upper, full body portion and a lower, narrow body part, with the transient part between said body portions being designed to form a substantially horizontal hull surface at each hull side.
REFERENCES:
patent: 2729182 (1956-01-01), Tommasi
patent: 3092061 (1963-06-01), Costanzi
patent: 3416480 (1968-12-01), Pien
Blix Trygve M.
O'Connor Gregory W.
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