In order to study propulsive problems involved in pushing, Bavarian Lloyd and Guete-Hoffnungshuette conducted model tests in Hamburg Tank; these were followed up by full-scale tests with tugs, Isar and Uhu; results with Isar show propulsive economy in favor of pushing of from 10 to 12 per cent; with Uhu, economy is some 25 per cent. (Brief translated abstract) (See also WerftReederei-Hafen vol. 12, no. 13, July 1, 1931 pp. 254-259, 16 figs.)
Towing vs. Pushing for tug work
Schieben und Ziehen im Schleppdienst
Marine Engineer and Motorship Builder ; 54 , n 647 ; p 316-317
1931
2 pages
Aufsatz (Zeitschrift)
Englisch
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