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Ocean Engineering Under Arctic Conditions Is Subject Of Conference The Canadian province of St. John's, Newfoundland, will be the site of the 4th International Con- ference on Port and Ocean Engi- neering Under Arctic Conditions, to be held September 26-30. The POAC 77 Conference will cover latest developments on op- erating in Arctic waters, includ- ing oceanography, hydrocarbon exploration and development, sea- bed and subbottom science, sea ice, marine transport and logis- tics, harbors and terminals, off- shore structures, and harvesting and management fisheries. Distinguished international sci- entists to present papers include Japan's Dr. Kiyoshi Horikawa from the University of Tokyo; West Germany's Dr. J. Schwarz, Hamburg Shipbuilding Research Institute; the Netherland's Ing. J.G. de Witt, Deputy Director of the Netherlands Institute for Fishery Investigations; Canada's K.R. Croasdale, Imperial Oil; and America's Dr. W.D. Hibler III, Cold Regions Research and En- gineering Laboratory, Hanover, N.H. Commenting on the POAC 77 Conference, John Lundrigan, New- foundland's Minister of Industrial Development, said: "With con- servative estimates that potential reserves of 40 trillion cubic feet of natural gas and 3.5 billion bar- rels of oil may lie off our coasts and the increasing stature of our Centre for Cold Ocean Resources Engineering and Newfoundland Oceans Research and Develop- ment Corporation, we are de- lighted indeed that St. John's has been selected as the site for this very important conference." The registration fee of $150 (Canadian funds) should be made payable to POAC 77 Memorial University and should be mailed to Secretary, POAC 77, Faculty of Engineering and Applied Sci- ence, Memorial University of New- foundland, St. John's, Newfound- land, Canada A1C 5S7. Lake Shore, Inc. Opens Houston, Texas Office— G. Curtis Gibby Named Lake Shore, Inc., Iron Moun- tain/Kingsford, Mich., prominent manufacturer of marine cranes, winches, windlasses and mooring systems, has opened a Gulf Coast sales office to expand its services to the offshore oil industry. The facility is located at Lake View of Cypress Station, 400 FM 1960 West, Houston, Texas 77090, ac- cording to an announcement made by E,F. Coughlin, vice president, Marine. In his announcement, Mr. Coughlin stated: "The continuing search for oil and other mineral resources under the sea presents a broadening market for Lake Shore marine products. Today, there is an increasing need for Lake Shore cranes, winches, wind- lasses, and mooring systems in the offshore industry. By locating an office in Houston, we are endeav- oring to develop and expand our services to the offshore industry in the Gulf Coast area." G. Curtis Gibby, who has been named manager-offshore sales, will be in charge of the Gulf Coast operation, according to Mr. Coughlin, and will be transferred to Houston from the company's headquarters office at Kingsford, Mich. A native of Winthrop, Mass., and a graduate of the U.S. Naval Academy, Annapolis, Md., Mr. Gibby joined Lake Shore in 1974 as a technical sales coordinator in the Marine Division. For the past several years, he has been active in the marine application engineering effort in the Great Lakes area and has had extensive experience in mooring applica- tions. Recently, Mr. Gibby has been involved in the development of a traction towing machine for U.S. Navy tugs. Mr. Gibby, who served in the Navy for 10 years, saw combat duty in Vietnam, where he com- manded an underwater demoli- ROTATABLE THRUSTERS ... with l(a MeWa designed in-water removal feature! CONTROLLABLE PITCH FOR ACCURATE THRUST CONTROL CONSTANT SPEED OPERATION WITH SIMPLE AC DRIVE DESIGN DEVELOPED IN THE KaMeWa MARINE LABORATORY The new rotatable nozzle thruster permits stepless, variable thrust from zero to 100 per cent in any direction. Applications to such vessels as drill ships, pipe layers, and drill rigs include dynamic positioning, anchor chain relieving, or propulsion where exceptional maneuver- ability is required. The rotatable thruster unit is offered in three sizes covering a power range of 1200 to 3500 horsepower with resulting specific thrust in the range of 30 to 35 pounds per horsepower. Features include a nozzle designed for maximum bollard pull, hydraulic azimuth control, mechanical brakes to hold thruster position if oil pressure is lost, blade seals tested at a water pressure corresponding to 130 feet submergence, gears designed for unlimited life, and bearings selected to provide a minimum B-10 life of 25,000 hours at full load. KaMeWa controllable p,tch propellers S. THRUSTERS by BiRD-JOHnson componv 110 Norfolk Street, Walpole, Massachusetts 02081 Telephone (617) 668-9610, TELEX 92-4445 34 tions platoon. Maritime Reporter/Engineering News