Dravo Pioneer, for harbor and seagoing service, was built at Dravo Corp Wilmington Yard and is operated on charter by Dalzell Towing Co; with shrouded propeller design, bollard pull ahead is 55,000 lb and astern 34,000 lb; two backing rudders provide 100% steering control when going astern; length is 100 ft, breadth 27 ft, draft 12 ft; GM diesel engine delivers 1600 shp continuous at propeller speed of 202 rpm.
Powerful new boat out-pulls and out-maneuvers other tugs
Rivers Harbors
Rivers and Harbors ; 45 , n 1 ; p 20-23
1960
4 pages
Article (Journal)
English
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