Philadelphia Section Discusses Design & Construction Of 2,000-Ton Cargo Vessel

The Philadelphia Section of The Society of Naval Architects and Marine Engineers met recently at the Philadelphia Engineers' Club, Philadelphia, Pa. After a social hour and dinner, coauthors A.C. Brown Sr., vice president of J.J. Henry Co., Inc., Moorestown, N.J., and F.J. Bradley Jr. assistant vice president-Engineering of American Atlantic Lines, New York, N.Y., presented their paper entitled "Design and Construction of 2000 Ton Cargo Vessel for A.M.I." The paper described the M/V America which was delivered in November 1979, and is the first in a series of three ships being built by Equitable Shipyards, New Orleans, La., for American Marine Industries.

The America-class vessels are designed for service between the U.S. and the Caribbean.

The three 2,000-dwt vessels are among the most technologically advanced vessels for their size in the U.S.-flag liner fleet. Their size and design make them particularly suited for calls at shallow-draft ports with limited cargo-handling facilities. Since they are fully automated with a high degree of cargo flexibility, they are extremely adaptable to a wide variety of cargoes. Further, their ability of quick turnaround coupled with a reduced manning (10 men) enable the vessel to run at low operating costs.

Refrigerated cargo can be accommodated in both the ships' reefer spaces and in refrigerated containers. High productivity cargo gear enables the vessels to handle both 20-foot and 40-foot containers.

Principal characteristics of the new 3,000- h o r s e p o w e r , 2,000-ton cargo vessels are: length overall, 295 feet; beam molded, 45 f e e t ; draft design molded, 14 feet; and a speed of 13.75 knots.

R. Spilman of Moore-McCormack, who acted as owner's approval agent during the detail design and construction, presented a written discussion describing the model testing leading to revised bow lines and the addition of a bulb. Ms. C. Lowe of J.J. Henry Co., Inc. presented a written discussion covering the speed and maneuvering aspects of the trial trip. A discussion was also presented by G. Uttmark, general manager of Trans Tech Co., on the economic design criteria of these vessels.

J.F. Christensen, project manager, J.J.

Henry Co., Inc., acted as coordinator for the meeting.

Maritime Reporter Magazine, page 11, Apr 1980

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