Motor-driven tug of 700 b.hp., in which new system of propulsion is employed, has been built and successfully tested on Danube; innovations consist of application of two Voith-Schneider propellers, while towing is performed by pushing.
New system of propulsion for tugs
Shipbldr. Mar. Engine-Bldr.
Shipbuilder and Marine Engine-Builder ; 38 , n 247
1931
Aufsatz (Zeitschrift)
Englisch
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