Theoretical investigation into problem of efficiency of paddle wheels and towing efficiency of paddle tugs; treatment is chiefly mathematical; author states that tug too small by definite amount for certain work increases towing costs for upstream work above possible minimum, much more than does tug too large by this amount. (Brief translated abstract) (See also Werft-Reederei-Hafen vol. 10, no. 2, Jan. 22, 1929 pp. 19-27, 4 figs)
Towing efficiency of paddle tugs
Beziehungen zwischen Wirkungsgrad und Belastung bei Radschleppern
Marine Engineer and Motorship Builder ; 52 , n 618
1929
Article (Journal)
English
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