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twin controllable-pitch propellers and twin rudders. The 150,000 barrel configuration was presented by Dr. Ince as an example of the final designs. Its principal characteristics include: full-load displacement, 33,155 long tons; length between perpendic- ulars, 660 feet; beam, 88 feet; depth, 48 feet; draft, 34.4 feet. Power is provided by two medium- speed diesels totaling 27,080 bhp. Sixteen tanks carrying a mixed cargo of 60 percent DFM and 40 percent JP-5, or alternatively 50 percent DFM and 50 percent JP-5, are provided, and a centralized cargo pump room is located mid- ships. Prepared discussions were pro- vided by Don Stevens of NAV- SEA, J. Sumner of MSC, James Robinson of the David Taylor Na- val Ship R&D Center, and C. Sed- erstrom of MarAd. Enserve, Inc. Acquires Controlling Interest In Specific Equipment Co. Enserve, Inc., a Houston-based, privately owned corporation serv- ing the energy industry, has ac- quired controlling interest in Spe- cific Equipment Company of Houston. The announcement was made by Enserve's chairman Don E. Dixon and president Robert L. Kietzman. Since 1967, Specific Equipment has served the offshore petroleum industry as a supplier of special- ized pump sets, packaged fluids- handling systems, service parts, and expendable parts for use on drillships, jackup and semisub- mersible drilling rigs, and drilling and production platforms. Specific became a leading manufacturer of automated desalination equipment for the offshore petroleum and marine industries with a 1978 product line acquisition. Facili- ties include 30,000 square feet of office, manufacturing and storage space in a Northwest Houston in- dustrial park. China Licensed To Build And Install MacGregor Cargo Access Equipment The burgeoning Chinese ship- building industry has become the newest member of the worldwide MacGregor organization. It was welcomed into the ranks of those countries already benefitting from the world's leading cargo-han- dling equipment designs, at a re- cent signing ceremony in Paris. Under the terms of a technical cooperation agreement made be- tween the Peking-based China Corporation of Shipbuilding In- dustry (CCSI) and MacGregor Cargo Handling (Pacific) Ltd., Hong Kong, the Chinese industry, through CCSI, becomes a full par- ticipant in the organization, thus gaining access to the know-how that will enable it to design, man- ufacture, and install the full ex- November 15, 1980 tensive range of MacGregor cargo access and transfer equipment. Ships built in Chinese yards, whether for Chinese or foreign ownership, will benefit from the agreement. The transfer of technology in- volved will be imparted through MacGregor Cargo Handling (Pa- cific) Ltd. and a number of other MacGregor companies, in a vari- ety of ways. As a prerequisite for speedy implementation of the agreement, a program of training for a number of qualified Chinese designer/draftsmen, and for en- gineers specializing in fabrication and quality control, commenced almost immediately. In addition to these more direct methods of technology transfer Chinese delegates will, in the fu- ture, be attending all the regular international technical meetings and conventions periodically ar- ranged for the internal monitor- ing of MacGregor progress and interchange of knowledge between members of the international or- ganization. Products conforming to Mac- Gregor designs and standards made in Chinese yards or facto- ries will be readily identifiable, as they will bear a plate reading "Shanghai-MacGregor." Goodyear Bralceability: Disc brakes, more efficient, more effective than band brakes under dynamic operation. As a leader in disc brake technology, we supply brakes for bow thrust engines, propeller shafts, anchor windlasses, winches, as well as other uses. Disc brakes offer many advantages over band and shoe brakes. They are smaller. They can perform in both static and dynamic situations. Their non-self-energizing characteristic assures smooth, controlled payout and superior brake control. The large exposed disc surface dissipates more energy and heat. Goodyear manufactured friction materials exhibit minimum fade at elevated temperatures and high energy input rates. As the linings wear, pistons continually advance, keeping displacement constant for each application. Quick-change lining design allows minimum downtime for replacement. Our disc brakes are available in a complete line of caliper designs from 2Vi lb. to 300 lb. units. By varying caliper multiples, disc thicknesses, operating pressures, etc., one brake caliper can be used across a complete product line. For complete information, call Jim Evans, Marketing Manager, Industrial Brakes, Goodyear Aerospace Corporation, Box 427, Berea, Kentucky 40403, (606) 986-9381. We It now how to make things work. good£year T INDUSTRIAL BRAKES Write 196 on Reader Service Card 49
