Patent Slip

New Propeller Boss Cap Fins Provide Significant Improvement In Efficiency

result of concentrated research effort for the past two years, Propeller Boss Cap Fins (PBCF) are said to show significant economic features for all vessels. To date, research for improving propeller efficiency due to vortexes in the slipstream


Unique Slipway Launch Of Aft Part Of Hull Performed At 3.Maj Yard

The 3.Maj Shipyard in Rijeka, Yugoslavia, recently launched the aft hull part of newbuilding No. 643 down sliding Slipway No. 1, a new technology for the use of inclined ways. The decision to build Hull No. 643, a 25,500/34,950-dwt bulkcarrier on Slipway No.

M a r i n e M a c h i n e r y Association Discusses Q u a l i t y A n d R i g h t s - l n - D a ta

More than 100 attendees at a recent Marine Machinery Association (MMA) meeting held at the Sheraton Crystal City in Arlington, Va., heard Alabama Congressman Bill Nichols, chairman of the Investigative Subcommittee of the House Committee on Armed Services,

Eastern Marine Delivers Towboat —Ninth of A 10-Vessel Contract

Eastern Marine, Inc. of Panama City, Fla., recently delivered the towboat Eagle, the ninth vessel of a 10-vessel contract that was signed with Central Gulf Lines, Inc. of New Orleans, La. The vessels are operated by Compass Marine Gulf, Inc., also of New Orleans,

NCEL Develops New Multi-Function Tool For Naval Diver Use

The first seawater hydraulic multi- function tool system ever developed for Navy divers has been approved for Navy use by the Naval Sea Systems Command (NAVSEA). The acceptance marks the culmination of a major 10-year research and development

Todd To Move 'Frisco Drydock, $40-Million Syncrolift Being Built For Los Angeles Yard

Todd Shipyards Corp., San Francisco, Calif., said it plans to move one of the drydocks from its San Francisco yard to its Seattle facility in February or March. The company will transfer a floating drydock that has a lift of 40,000 tons, leaving San Francisco with a drydock that can handle 9,

Expansion At Conrad Industries Triples Barge Production Capacity

Conrad Industries, Inc., located on the Atchafalaya River in Morgan City, La., has completed an expansion program enabling the company to triple its barge production capacity. A new metal building 360 by 100 by 45 feet fronting on an added 150

New Repair Yard Under Construction In Southern Chile For ASMAR & Partner

A new shipyard now under construction at Punta Arenas on the most southern tip of Chile is scheduled to begin repair operations in November this year. Named Astille- ro Estrecho de Magallanes Ltda., the new yard is a joint venture of Chilean shipbuilder and repairer,

Damen Delivers High Level of Tug Tech

Damen is well-renowned for its innovative tug design, construction and outfitting prowess, a reputation upheld on a pair of vessels, the recently delivered Levanto Secondo and the currently under construction Damen Azimuth Stern Drive Tug 2411 yard number 512201.

Southwest Marine Will Operate Ship Repair Facility In Samoa

The American Samoa Government (ASG) recently announced that Southwest Marine, Inc., a leading U.S. ship repair company that operates three full-service shipyards in California, has been chosen to lease and operate the ASG Marine Railway and Ship Repair Facility in Pago Pago, American Samoa.

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