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SNAME-Philadelphia Section Hears Paper On Marine Epoxy Resin Chocks Trellclean Conducts Technical Briefing And Hull-Cleaning Demonstration The recent meeting of the Philadelphia Section of the Soci- ety of Naval Architects and Ma- rine Engineers featured the pres- entation of a paper entitled "Marine Epoxy Resin Chocks." It was presented by J. Murray Wilson, manager of Philadelphia Resins Corporation. Meeting co- ordinator, Fred W. Beltz Jr. of Transamerica Delaval Company, introduced the author and dis- cussers that included R. McFad- den of J.J. Henry Co., G. Mowers of Transamerica Delaval Compa- ny, and P. Mason of Lloyd's Reg- ister of Shipping. The paper discussed the con- cept of epoxy chocking of which $4.5-Million Order Awarded Rockwell For Shipboard Navigation System Parts Rockwell International Corpo- ration, Anaheim, Calif., has been awarded a $4,506,500 unpriced delivery order under a basic or- dering agreement to furnish var- ious quantities of line items in support of a Dual Miniature Iner- tial Navigation System (DMINS) (AN/WSN-1 (v)2) for use on- board ships. The Navy Ships Parts Control Center, Mechanics- burg, Pa., is the contracting ac- tivity (N000104-80-G-0004). the variety and extent of the ap- plications is not yet generally realized. The author detailed the advantages that could be gained by the shipowner and the ship- builder. With the help of slides, the author described typical main diesel engine and auxiliary ma- chinery applications. Other ele- ments such as stern tubes, rud- der bearing, crane rails, and thruster units were also ad- dressed. A copy of the paper can be secured from Mr. Wilson at the Philadelphia Resins Corporation, 20 Commerce Drive, Montgomery - ville, Pa. 18936. Newport News Receives $106-Million Modification To Ncivy Overhaul Contract Newport News Shipbuilding, Newport News, Va., has been awarded a $106,050,800 modifica- tion which converts a previously awarded cost-plus-fixed-fee con- trast to a cost-plus-incentive-fee contract to accomplish the over- haul, refueling, repair and alter- ation of USS Francis Scott Key (SSBN 657). The Naval Sea Sys- tems Command, Washington, D.C!., is the contracting activity (N00024-81-C-2063). Trellclean International, Lim- ited, manufacturers and world- wide operators of the Trellclean underwater hull cleaning service, held a two-day in-depth technical briefing and a live demonstration of their three types of barnacle- removing machines recently in Long Beach, Calif. The meeting was attended by Trellclean-associated companies from 10 separate geographical areas of the world. Other guests included Arild Rinvoll, Senior Re- search Engineer of The Ship Re- search Institute of Norway; Jo- seph Pastore and Harold Siagel, president and treasurer of Na- tional Industrial Service Group; E.B. Zetterlund, senior technical service representative of the 3M Company; and John D. Koss, Un- derwater Operations Company; and also representatives of sev- eral paint companies. Additionally, representatives of U.S. and foreign shipping com- panies and the U.S. Navy ob- served the operation of the Trell- clean machine as it cleaned the side of a large barge. This dem- onstration was carried out at the Dillingham base in Long Beach Harbor. Edward Stettinius, vice presi- dent of Trellclean, conducted the meeting, Arild Rinvoll of The Ship Research Institute of Nor- way lectured on the economic advantages of underwater hull cleaning in general and the ad- vantages of the Trellclean system in particular. Malte Bystrom, general oper- ating manager of Trellclean, lec- tured on the specific mechanical advantages of the Trellclean ma- chines. Mr. Stettinius explained to the meeting that Trellclean Interna- tional manufactures its own ma- chines, holds patents or patents applied for in 18 maritime coun- tries and is continuing to effect improvements through its re- search and development. He also stated that in order to maintain one high cleaning stand- ard on a worldwide basis, Trell- clean sells no machines. The only users of the equipment are mem- bers of the worldwide Trellclean organization which enables the company to control the use and maintenance of the very sophis- ticated machines. Dillingham Maritime Company. Long Beach, Calif., is responsible for Trellclean operations on the entire West Coast of the United States, Hawaii and Guam. Raynor T. Tsuneyoshi, vice-president, is in direct charge. Early next year, Trellclean will hold similar meetings in Europe and the Middle East. Information relative to Trell- clean worldwide operations is available from Transportation Concepts and Techniques of Char- lottsville, Va. For copies of literature, Write 56 on Reader Service Card Principals at the SNAME-Philadelphia Section meeting were, from left, standing: C. Lofft, vice chairman, Newport News Technical Services, Inc.; R. McFadden, dis- cusser, J.J. Henry Co.; D. Champlin, chairman, Selby Battersby & Co.; seated, J. Murray Wilson, author, Philadelphia Resins Corp.; F. Beltz Jr., coordinator, Transamerica Delaval Company. Attending the Trellclean briefing are (left to right): Salvador R. Salas of Chemical Industries, Inc. of the Philippines; H.H. Masuda of Trellclean International of Hon- olulu, Hawaii; Raynor T. Tsuneyoshi of Dillingham Maritime Corporation (PacTow) of Long Beach, Calif.; and H.E. van der Linde of Trellclean International. 44 Maritime Reporter/Engineering News
