The 42-foot, 50-ton pushboat Walter D. Johnson, newly built by Keith A. Record of Portland, Ore., is undertaking a demanding job on the Columbia River—that of spotting bridge construction barges in tight quarters and rapid river currents. For this tough assignment, vessel owner Johnson Bros.
The two major factors influencing diesel engine design and development continue to be the soaring fuel costs and deterioration in the quality of marine fuels. While most diesel designers are working to modify existing models to achieve lower specific fuel consumption,
The following article is excerpted from a November 13, 1985 statement by Thomas B. Crowley, president, Crowley Maritime Corporation, before the Congressional Maritime Caucus, on behalf of the Inland and Coastal Tug and Barge Industry. Mr. Crowley
FOR MORE INFORMATION If you wish to receive additional information on any of the yards described in the review, circle the appropriate reader service numbers) listed under each company's name, using the postage-paid card bound into the back of this issue.
The keel was laid recently for the first of four 6,000-bhp Friendship Class pushboats being manufactured by Dravo Corporation's Engineering Works Division for the People's Republic of China. The vessel will measure 45.7 meters by 12.8 meters by 3.
National Marine Service Incorporated of St. Louis, Mo., has announced completion of its acquisition of the assets of Riverway Co.'s ship repair facilities north of Lock and Dam 26 at Grafton, CLIP & MAIL ^ I P* (rencra/ TYiermot/ynamics 1 110 SOUTH MEADOW ROAI>.
Whether or not the current decline in oil prices is a temporary condition, most manufacturers of marine diesel engines are still concentrating on further improvements in specific fuel consumption, as well as on the ability to burn heavier grades of fuel.
It is estimated there are approximately 10,000 self propelled tugs, towboats and offshore service vessels in the U.S. fleet. Add to the above 10,000 tugs, towboats, and offshore support vessels, the balance of the United States shallow draft self propelled fleet consisting of 11,
National Marine Service Incorporated, St. Louis, Mo., recently announced that R.J. (Tex) Ritter has joined its Shipyard Division as a sales representative in its Houston offices. From this base, he will represent National Marine's shipyard, diesel engine rebuild/repair,
Phillip S. (Scott) Mangan has been named Service Manager of National Marine Service Incorporated's East Coast Operations. He will be headquartered at National Marine's new diesel engine repair and parts facility, 4580 Village Avenue, Norfolk, Va.