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James Steadman Joins Halter Marine As VP For Special Assignments

James W. Steadman has joined Halter Marine, Inc., as vice president, special assignments, with overall responsibility f o r the Halter CATUG project at Chickasaw, Ala. Halter is building six of the giant propulsion units for an integrated tug/barge

 

Chesapeake Section Of SNAME Hears Papers On Propeller Cavitation And Unsteady Forces

The Chesapeake Section of The Society of Naval Architects and Marine Engineers held its fifth meeting of the 1976-77 season at the Officers Club of the Washington Navy Yard in Washington, D.C. The meeting included the presentation of two papers on unsteady propeller hydrodynamics.

Polymer Alloy Extends Icebreaker's Propeller Shaft Bearing Life

Under severe Arctic operating conditions, a relatively new bearing material has outlasted traditional laminated-phenolic propeller shaft bearings by a ratio of about nine to one. The longer-lasting bearing was made from Thordon XL, an alloy of polymer and synthetic rubber,

 
 
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