American Bureau of Shipping
The Philadelphia Section of The Society of Naval Architects and Marine Engineers recently met at the Engineer's Club in Philadelphia, Pa., to hear a paper, entitled: "Torsional Vibration Considerations of a Twin-Diesel, Single Controllable Pitch Propeller Vessel.
A new 95-foot oceangoing tug, the Selat Siberut, built by Equitable Shipyards, Inc. of New Orleans, La., recently was loaded aboard the cargo ship Louise Lykes. The tug was built by Equitable Shipyards for the Government of Indonesia, and will be offloaded by the Lykes ship at Singapore,
The tug-fireboats M.L. Walker and H. Burgess were christened recently at Thunderbolt Marine Industries, Thunderbolt, Ga. They are the first of a new generation of shiphandling and firefighting tugs specifically designed for work in the Panama Canal.
Cummins Engine Company has announced additional increases to engine horsepower ratings for their NT855-M, NTA855-M, KT19-M and KTA19-M marine models. Increased horsepower ratings for the NTA855-M and KTA19-M models were made available in early