Problem of increasing economy of older screw vessels on inland waterways; it is shown to be possible to improve old tugs and cargo vessels by increasing propeller diameter in connection with built-on tunnels and with propeller-jet surface rudders; investigation was based on results of trial runs of some steam tugboats as reported by SCHAFFRAN in 1916-17.
Beitrag zur Verbesserung der Wirtschaftlichkeit aelterer Schraubenschiffe in der Binnenschiffahrt
Beitrag zur Verbesserung der Wirtschaftlichkeit aelterer Schraubenschiffe in der Binnenschiffahrt
Werft-Reederei-Hafen ; 13 , n 20 ; p 301-303
1932
3 pages
Article (Journal)
German
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