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$12-Million Contract To Colonnas' Shipyards For Ship Maintenance Colonnas' Shipyards Incorpo- rated, Norfolk, Va, is being awarded a $11,961,478 fixed price contract with economic price adjustment for the Major Maintenance Availabili- ties (MMA's) of U.S. Coast Guard ships Durable and Courageous with options for the MMA's of nine other cutters. Work will be performed in Norfolk, and is expected to be com- pleted December 17, 1987. Forty- five bids were solicited and eleven were received. The Naval Sea Sys- tems Command, Washington, D.C., is the contracting activity (N00024- 85-H-8134). PROPULSION UPDATE Perkins Introduces Compact V-8 Diesel Designed By Rolls-Royce —Free Literature Offered— Circle 255 on Reader Service Card SURVIVAL SUITS by SURVIVAL INTERNATIONAL, INC THE INDUSTRY LEADER • BEST DESIGNED • HIGHEST QUALITY • LOWEST COSTS Write Today For Information Survival International 7859 S 180 St. Kent. WA 98032 (206) 251 8880 O ORIENTAL INDUSTRY CO. 408-29, SOKYO-DONG, MAPO-KU SEOUL, KOREA TELEX: OTLRISE K22396 TEL: 323-3654,9862 Perkins North America of Wayne, Mich., recently introduced an ex- ceptionally compact, Rolls-Royce- designed engine as part of a major entry into the commercial marine diesel market. The new 8HD400T design is an 8-cylinder, V-form en- gine that develops 400 bhp at 1,800 rpm. It is a member of the Rolls- Royce line of diesels that Perkins has introduced in the U.S. and Can- ada. Perkins has also introduced other members of its HD family of 4-, 6-, 8-, and 12-cylinder commercial en- gines that provide economical and efficient performance for the com- mercial and fishing vessel markets. The Rolls-Royce line comprises eight engines with outputs ranging from 210 to 800 bhp in both natural- ly aspirated and turbocharged ver- sions. Only two models are currently available in North America—the 8HD and a 12-cylinder line intro- duced last year. The first U.S. installation of the Perkins/Rolls-Royce 12-cylinder marine diesels is in the twin-screw catamaran Bottom Time II deliv- ered recently by Atlantic and Gulf Boat Builders of Fort Lauderdale, Fla., to Bottom Time Adventures. Each of the twin CV12 engines pro- vides 800 bhp at 2,100 rpm. With the addition of the Rolls- Royce models, Perkins offers 10 ma- rine diesel engines ranging from 51 to 800 bhp, suitable for main pro- pulsion as well as auxiliary power in a wide variety of vessels, including workboats, patrol and customs ves- sels, ferries, trawlers and other fish- ing vessels, rescue craft, and off- shore supply boats. These diesels are also suitable for generator sets to provide electrical power for air conditioning, refriger- ation, lighting, and other on-board applications. They are also used in shoreside cargo-handling vehicles. The 8HD engine was developed in cooperation with the British Royal Navy. This diesel represents the first coordination of the design tal- ents of engineers at both the Per- kins plant in Peterborough, Eng- land, and the former Rolls-Royce factory in Shrewsbury. The lightweight 8HD, with good power-to-weight ratio, is a low-pro- file engine designed for many appli- cations in commercial craft. Its com- pact size allows for smaller engine rooms, providing more space for car- go or accommodations, as well as greater flexibility in vessel design. The 8HD's major benefit is said to be its outstanding fuel efficiency, coupled with ease of routine mainte- nance. Available options include a power takeoff unit, keel cooling, and change-over filters. This new engine complements the 12-cylinder Rolls- Royce design introduced last year. The 12HD610T diesel is a 60-degree V-form, water-cooled engine that provides 735 bhp at 2,100 rpm for (continued) Circle 137 on Reader Service Card Circle 259 on Reader Service Card 72 New Rolls-Royce-designed 8HD400T diesel, introduced in North America recently by Per- kins, has an output of 400 bhp at 1,800 rpm. Maritime Reporter/Engineering News 100% OIL FREE AIR for Shipboard Service ST Pur-Pax® Jills Air Compressors forced air cooling system (bare compressor shown) completely self-balanced* vibration-free heavy duty—up to 104 CFM/125 PSIG Pur-Pax® 100% oil-free com- pressors feature Dyna-Balance® - the unique design for complete balancing of inertia forces result- ing in a virtually vibration-free installation. For further informa- tion on the full line of Pur-Pax air compressors and complete air systems for shipboard applica- tions, call or write today. * Dyna-balance® models fea- ture the Braun linear drive design. Squire-Cogswell Company 3411 Commercial Avenue Northbrook, Illinois 60062 312/272-8900 TWX 910/686-0657
