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91st SNAME Annual Meeting — A Preview (continued from page 57) and permit him to better formu- late his salvage strategy at an early stage. Many of the tech- niques also provide new and up- dated data and methods for use by naval architects in preliminary ship design. Paper No. 11. "Predicting Ship Performance in Level Ice" by Thomas V. Kotras, Andrew V. Baird and John N. Naegle. SYNOPSIS—Presented in this paper is an analytical model to aid designers in estimating a ship's performance in level ice as a func- tion of size, major hull character- istics and hull geometry. Included is correlation of the model predic- tions with full-scale ice trials data for seven icebreaking ships, rang- ing in size and hull shape from an icebreaking tug to an icebreaking tanker. Paper No. 12. "Design and Veri- fication for Adequate Ship Maneu- Duel of the Corrosion Inhibitors -A*. wv I ~ J X *• ^OTEfcSOL ,100 j I Mi 0 If I® INT MAGNUS II INTERNATIONAL INC. Leaders in the Science of Marine Chemistry A Subsidiary of E L ECONOMICS LABORATORY INTERNATIONAL LTD. NewProtecsol-100: Powerful Protection For Laid-up Ships. PROVEN MORE EFFECTIVE THAN THE LEADING COMPETITORS IN PROTECTING STEEL TANKS FROM SEAWATER. Recently, a well respected marine testing laboratory proved the superiority of Protecsol-100 against the best-selling tank-corrosion inhibitors for seawater operations. These independent tests proved Protecsol-100 to be twice as cost effective as the leading brand! This liquid product is a unique blend of organic and inorganic corrosion inhibitors specifically devel- oped to protect ballast tanks filled during lay up with sea or brackish water. Protecsol-100 deposits a uni- form, highly adherent passivating film on the steel surface, that remains in place longer than any com- petitive inhibitor. Even after the inhibited solution is replaced with uninhibited water. LOWER USE COST: Protecsol-100 gives maxi- mum corrosion protection with fewer applications than are required by the top selling brand—it lasts longer, it works longer, it costs less. Protecsol-100 is a product of Magnus Maritec's commitment to extend the boundaries of marine chemistry, to better serve today's cost-conscious ship operators. We know you'll find Protecsol-100 the most cost- effective inhibitor in its class—we know because we fought it out and won. For a copy of our technical literature contact your local Magnus Maritec representative or our world headquarters. 150 Roosevelt Place, P.O. Box 150, Palisades Park, New Jersey USA 07650 Phone (201) 592-0700 Telex 135-377; 21-9190 mtm HrctS me verability" by Alexander C. Landsburg, James C. Card, C. Lincoln Crane Jr., Philip R. Al- man, William R. Bertsche, John W. Boylston, Haruzo Eda, Vir- gil F. Keith, Ian R. McCallum, Eugene R. Miller Jr. and Abra- ham Taplin. SYNOPSIS—SNAME Panel H- 10 (Ship Controllability) has rean- alyzed what constitutes a good maneuvering vessel and how to achieve it. An extensive data base of trials results is presented, plus surveys of pilot performances and usual designer practice. Regula- tory proposals currently under re- view nationally and internation- ally are discussed. Design tools to assure desired inherent maneu- verability are outlined along with trial agendas for verification. Papers Committee Jack A. Obermeyer, Chairman Steven G. Buttner Warren C. Dietz Edward N. Dunlay James F. Dunne Keith P. Farrell Jacques B. Hadler James A. Higgins James A. Lisnyk Chester L. Long Perry W. Nelson Peter M. Palermo Spencer Reitz Richard W. Thorpe Jr. William E. Zimmie 1983 INTERNATIONAL MARITIME EXPOSITION List of Exhibitors Exhibitor Space AMT INC 931 ADMIRAL MARINE CO. INC 708 AERO NAV LABORATORIES INC 823 ALLIED MARINE CRANE 124 AMERICAN ABRASIVE METALS CO. . . . 805 AMERON 604 ANSCHUETZ OF AMERICA 324 AQUA-CHEM INC 211 AQUA-SIGNAL/BROWNING MARINE INC 814 THE ARNESSEN CORPORATION 237 58 Write 212 on Reader Service Card Maritime Reporter/Engineering News