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Navy Changes DDG-47 Classification To CG-47 . The Department of the Navy has an- nounced it is changing the classification of the DDG-47, a new ship currently under construction, to CG-47. The ship, which was originally classified as a guided missile de- stroyer with the hull number DDG-47, is being reclassified a guided missile cruiser with a hull designation of CG-47. With the unique effectiveness of the AEGIS system on this class ship, the change is based on size and armament, since the CG-47 is comparable to modern cruisers of the U.S. Navy, allied navies, and the Soviet navy. CG-47, the lead ship of this class, is cur- rently under construction at the Ingalls Shipbuilding Division of Litton Industries at Pascagoula, Miss. The ship is scheduled for delivery in January 1983. FERROUS HAS i THE PROOF! Pferrous corporation 56 In early January, Marathon Manufactur- ing Company's Republic of Singapore yard delivered the first of two jackup rigs or- dered by the China National Machinery Im- port and Export Corporation. The People's Republic of China rig, Pohai VIII, was originally scheduled for delivery in March of this year. Gene M. Woodfin, chairman of the board and chief executive officer of Marathon Manufacturing Company, was pleased to announce that the Singapore yard was able to improve the contracted de- livery date by almost two months. He said the sister rig now nearing completion at the Singapore yard is expected to be delivered to the Chinese in March. Mr. Woodfin said that this was Marathon's first business venture with the People's Re- public of China, and among the unique fea- tures of the agreement was that it called for "turnkey" rig construction. (Turnkey is a term used in the trade whereby the builder also provides the drilling equipment, engine and generator packages, derrick, drawworks, etc. Normally, these items are selected and purchased by the rig owner.) Mr. Woodfin stated that from initial negotiations through delivery, Marathon's dealings with the Chi- nese have been a first-class commercial re- lationship, and we certainly look forward to additional orders. Marathon announced the original contract for the two rigs in May 1978, shortly after the contract signing in Peking, China. The Pohai VIII is a Marathon-class 82- SD-S, shallow-draft, slot-type jackup drilling rig. It is equipped with 360 feet of leg and capable of drilling in 250 feet of water to a drilling depth of 20,000 feet. Marathon Manufacturing Company, a sub- sidiary of The Penn Central Corporation, is a leading manufacturer of mobile offshore jackup drilling rigs. i Shown here at Marathon's Singapore yard, the Pohai VIII is equipped with 360 feet of leg. The unit is capable of drilling in 250 feet of water to a drilling depth of 20,000 feet. ZIDELL Maritime Reporter/Engineering News MODEL HYDRODYNAMICS IS FUEL EFFICIENCY. SHIP FORM OPTIMIZING. PROPELLER DESIGN. CAVITATION TESTS. MANEUVER TESTING. OFFSHORE MODEL TESTING. MARINE HYDRODYNAMICS RESEARCH. OFFICER AND PILOT SIMULATOR TRAINING. 40 YEARS EXPERIENCE. PROMPT RESPONSE TO INQUIRIES. SWEDISH CENTER FOR ADVANCED MARITIME RESEARCH GUNNAR ASKER, NAVAL ARCHITECT ROOM 411 • 60 E 42 NYC 100 17 The Pohai VIII, a Marathon LeTourneau jackup drilling rig built for the People's Republic of China by Mara- thon's Republic of Singapore yard. The rig is a Marathon class 82-SD-S shallow-draft, slot-type drilling rig. Marathon Delivers Jackup Rig For China Cut boiler cleaning time and costs? How? "Use Ferrous Catalysts. One gal- lon to 3000 gallons of fuel reduces vanadium and other de- posits and the need for water washdown. Ferrous keeps boilers cleaner.We can prove it!" Let us send you the jroof. Contact Ferrous "orporation, 910 - 108th N.E., Bellevue, Wash- ington 98004. Phone 206/454-6320.
