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JOHN J. McMULLEN ASSOCIATES, INC. Naval Architects—Marine Engineers—Consultants NEW YORK HAMBURG MADRID GEORGE E. MEESE NAVAL ARCHITECTS • MARINE ENGINEERS CONSULTANTS • SURVEYORS DESIGNS FOR YACHTS AND COMMERCIAL VESSELS WOOD—ALUMINUM—STEEL—PLASTIC TELEPHONE 194 ACTION ROAD COLONIAL 3-4054 ANNAPOLIS, MARYLAND Designer of Marine IWIFTPIT A PC* Liquid Level Gauging ^ 1 1 K for: CARGO • BALLAST • FUEL OIL • LUBE OIL • DRAFT • TRIM • BILGE • TIDE & WAVE Remote Reading • Analog Digital • Indep. of Sp. Gr. METRITAPE, I nc. W. Concord, Mass. 01742 • 617-369-7500 NICKUM & SPAULDING ASSOCIATES, INC. Naval Architects and Marine Engineers 71 Columbia Street, Seattle, Wash. 98104 (206) 622-4954 LIFT POTTER & McARTHUR, INC. NAVAL ARCHITECTS - CONSULTING ENGINEERS NAVAC, INC. Novo/ Architect Visual Aid Company ^ P.O. Box 781, Manor Branch Xfc. . NEW CASTLE, DELAWARE 19720 m A 302/322-1243 •kM 609/234-0898 — MODELS — MACHINERY SPACE • ANCHOR HANDLING • TANK TEST SHELL PLATING • EXPERIMENTAL • DISPLAY OCEAN-OIL INTERNATIONAL ENGINEERING CORPORATION 3019 Mercedes Blvd., New Orleans, Louisiana 70114, U.S.A. NAVAL ARCHITECTS • MARINE BROKERS Hector V. Pazos, P.E. 504/367-4072 504/366-9998 DRYDOCKS AND TRANSFER SYSTEMS Estimates at no cost or obligation PEARLSON ENGINEERING CO., INC. P.O. BOX 8/MIAMI, FLA. 33156/(305) 271-5721 TELEX: 051-9340/CABLE: SYNCROLIFT S. L. PETCHUL, INC. Naval Architect - Marine Surveyor 8-D South New River Drive East Ft. Lauderdale, Florida 33301 • (305) 525-4991 Design • Survey • Brokerage R&D • Automation • EDP I Marine Management Systems | POMAR Workboats • Yachts Tugboats • Ferries SALES Marine Equipment 253 Northern Ave., Boston, Mass. 02210 617 542 0850 M. ROSENBLATT & SON, Inc. NAVAL ARCHITECTS MARINE ENGINEERS NEW YORK CITY 350 Broadway (212) 431-6900 SAN FRANCISCO 657 Mission St. (415) EX 7-3596 SCHMAHL AND SCHMAHL, INC. Marine Surveyors—Average Adjusters— Technical Consultants HULL—ENGINE—CARGO—P & I 1209 S. E. Third Avenue Fort Lauderdale, Florida 33316 (305) 522-0689 Miami Line 944-4512 Telex 51-4489 GEORGE G. SHARP CO. MARINE ENGINEERS ( 7>k SYSTEMS ANALYSTS NAVAL ARCHITECTS MARINE SURVEYORS 100 CHURCH STREET NEW YORK. N.Y. 10 0 07 (212) 732-2800 T.UI. SPBETGEHS CONSULTING VIBRATION ENGINEER • Torsional Vibration • Hull Vibration • Vibration Isolation Fatigue Stress Analysis ——— 156 W. 8th Ave. Our 24th Year Vancouver 10, Canada Serving U.S. Clients 604-879-2974 R. A. STEARN INC. NAVAL ARCHITECTS & MARINE ENGINEERS 100 Iowa Street Sturgeon Bay, Wisconsin riclim*«l r.taublcr NAVAL ARCHITECTS/MARINE ENGINEERS 44 COURT STREET/BROOKLYN,NEW YORK 11201 (212) 522-2115 H. M. TIEDEMANN & COMPANY, INC. NAVAL ARCHITECTS—MARINE ENGINEERS SURVEYORS—CONSULTANTS—R&D ONE STATE STREET PLAZA NEW YORK, NEW YORK 10004 (212) 944-5532 WEATHER Exclusively for the Maritime Industry WEATHER ROUTING, INC. 90 Broad Street, New York 10004 Tel.: HA 5-9644 Cable address: WEATHERWAY WHITMAN, REQUARDT AND ASSOCIATES • ENGINEERS Complete Engineering Services SHIPBUILDING FACILITIES WATER FRONT STRUCTURES BALTIMORE MARYLAND VrI1 GRAFTERS OF FINE SCALE SHIP MODELS FOR HOME OFFICE OR SHOWCASE Send $1.00 for catalog YANKEE SHIPWRIGHTS P. O. Box 35251 Minneapolis, Minnesota 55435 Waukesha Bearings Identifies Worldwide Marine Service Now ship propulsion system service is al- most as near as a local telephone call any- where in the world. A brochure, identifying a worldwide marine service group, has just been released by Waukesha Bearing's Corporation. Companies comprising this world network, known as Waukesha Marine International, are Waukesha Lips B V of Drunen, Holland; Chuetsu-Waukesha Co. Ltd. of Tokyo, Japan, and Waukesha Bearings Corporation. The brochure touches briefly on each company in terms of its capabilities, and also includes tele- phone and index dire'etories of 24 se'rvice offices spanning the United States, Canada, Europe, Japan, and Southeast Asia. A second brochure, Catalog W-4A, is a fully descriptive and illustrated brochure on line shaft bearings for shi'p propulsion systems. Treated within the literature are three dif- ferent types of bearings—self-aligning, non- aligning and journal—as well as lubrication systems that include ring, disc, and forced oil methods. Also covered are detailed dimensions for ail shaft sizes from 14 inches to 36 inches in diameter. For a copy of the brochures or further in- formation, contact Eric A. Dow, Waukesha Bearings Corporation, Box 798, Waukesha, Wis. 53186. Hampton Roads Hears Paper On Main Propulsion Shafting Eccentricity Considerations Principals shown at the meeting are, left to right: J.E. Ancarrow Jr., Newport News Shipbuilding and Dry Dock Company; J.B. Montgomery, chairman, papers committee, and R.L. Harrington, also of Newport News Shipbuilding. The Hampton Roads Section of The Society of Naval Architects and Marine Engineers convened at the Commodore Country Cluib, Kempsville, Va., on February 15, 1973, with more than 100 members and guests in at- tendance. R.L. Harrington and J.E. Ancarrow Jr. of Newport iNews Shipbuilding and Dry Dock Company, co-authors, presented a paper on "Main Propulsion Shafting Eccentricity Con- siderations." Mr. Harrington holds a BME degree from North Carolina State University, a master's degree in naval architecture and marine engi- neering from the University of Michigan, and an MB'A degree from William and Mary. Mr. Ancarrow received his BME degree from the University of Virginia, and an MME degree from Virginia Polytechnic Institute. yWWTT / I J [fHI; ^m^*** ~ . \ 1IP \ V \ A ... ... . S. Fielding R.P. Pike C. Hanson Their paper described existing criteria to es- tablish eccentricity tolerances on propulsion shafting and concluded that many of the re- quired tolerances for naval shafting are unnec- essarily restrictive, whereas those specified for merchant vessels are not sufficiently restrictive to assure satisfactory performance. Cost crite- ria for establishing tolerances and methods available for straightening propulsion shafting were included in this excellent paper. Discussers were S. Fielding, formerly with the Maritime Administration ;l J. Toohey, Beth- lehem Steel Corporation; R.P. Pike, National Forge; C. Hanson, U.S. Steel, and R. Yohe, American Bureau of Shipping. April 1, 1973 47
