Main uses of 70 ft craft include short and medium range towing of sand, gravel and coal, shuttling cargo barges, and handling non-self propelled vessels on marine construction jobs; two 6 cyl Atlas engines are each rated 290 hp at 1200 rpm. (See also Diesel Progress v 21 n 7 July 1955 p 34-5)
Five dravo ram-class towboats are completed
Mar Eng
Marine Engineering ; 60 , n 6
1955
3 pages
Aufsatz (Zeitschrift)
Englisch
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