Page 36: of Maritime Reporter Magazine (December 1973)

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MARATHON-CLYDEBANK LAUNCHNG: Penrod 64, a mobile self-elevating offshore drilling platform owned by Penrod Drilling Company of Dallas, Texas, is shown here as it was launched recently at the Clydebank, Scotland, yard of Marathon Shipbuilding Com- pany (U.K.) Limited. The rig has hull dimensions of 230 by 200 by 26 feet. Designed for a drilling depth of 30,000 feet, Penrod 64 has quarters for 78 personnel. The rig is scheduled for operations in the North Sea. Marathon Shipbuilding is a subsidiary of

Houston-based Marathon Manufacturing Co.

International Maritime Problems Discussed At

SNAME California Sections Annual Joint Meeting

Shown above at the joint meeting of the California Sections, left to right: John Banks, president, National Steel & Shipbuilding Co.; Paul Bukunt, General Electric Co.; Charles

Wilson, Babcock & Wilcox Co.; Larry French, director of engineering, National Steel &

Shipbuilding Co.; Mrs. French, Mrs. Banks, and Mrs. Bukunt.

The 17th annual joint meeting of the California Sections of The So- ciety of Naval Architects and Ma- rine Engineers was held October 12-14 at the Del Monte Hyatt

House in Monterey, Calif.

One hundred and sixty members and guests participated in both the social activities and presentation of the following papers : "Engineering,

Planning and Production Aspects of a Major Container Ship Conver- sion," by Hans K. Schaefer, engi- neering manager, Todd Shipyards

Corporation, Seattle Division; "A

Study on Production Control of the

Cross Type Conversion," by Y. Na- gata, Mitsubishi Heavy Industries,

Ltd., Kobe. Japan ; and "Conversion of Seamaster Cargoliners to Full

Container Ships," by Hugh F. Mun- roe, director, vessel construction,

American President Lines.

Written discussion of the Sea- master conversion covered all as- pects of both the design and fabri- cation problems involved in this rapid response to changing freight patterns.

Written discussions were made by Mr. Bannister of J.J. Henry Co.,

Inc.; Mr. ShafTner, of Todd Ship- yards, Los Angeles ; Mr. Chatterton of Todd Shipyards, Los Angeles, and Mr. Guralnick, naval architect.

Oral discussions were by Mr.

Kossa, naval architect; Mr. Haskell,

Matson Navigation; Mr. Stewart,

Bethlehem Shipbuilding; Mr.

Nichols, Rohr; Mr. Marriner, naval architect, and Mr. Van Riper, Amer- ican Bureau of Shipping.

The oral discussion indicated a profound difference of opinion as to the responsibility for minor crack- ing noted in service.

Mr. Nagata's discussion of the world's largest and most sophisti- cated conversion operation received written discussion from Mr. Sum- mers and Mr. Stewart of Bethlehem

Shipbuilding, San Francisco. Writ- ten, as well as subsequent oral dis- cussion, developed that lifts of up to 4,000 tons were possible. Their extremely intricate planning re- quired up to 12 months lead time and a ratio of one to three of pro- ductive labor vs. supervision. The typical United States ratio is one to six minimum.

The meeting concluded with a dinner-dance at Rancho Canada.

Copies of the papers are available from James L. Moss, Marcona Cor- poration, 1 Maritime Plaza, San

Francisco, Calif. 94111, telephone (415) 981-5560.

Pictured above at the Del Monte Hyatt

House in Monterey are, left to right: author

Hans Schaefer, Todd Shipyards, Seattle;

Mrs. Schaefer, and author Y. Nagata, Mit- subishi Heavy Industries, Ltd., Japan.

Attending the meeting, left to right: James

Moss, papers chairman/moderator, Marco- na Corp.; author Y. Nagata; Mrs. Phoebe

Stewart, and H.P. Stewart, discusser, Beth- lehem Shipyard Corp., San Francisco.

Direct

Control of Engines

From The Bridge

Hensckel -L-L Amesburv. jl

CORPORATION A UNIT OF GENERAL SIGNAL CORPORATION

Amesbury, Massachusetts Telephone 617 3881103

Throttle Control and

Engine Order Telegraph are now combined in one compact Henschel unit to simplify their use and to save console space. Less expensive than two separate units the new control is also easier to install and to maintain. Designed for easy reading from any angle, its smart appearance is matched only by the convenience of its single-control utility. Also adaptable to pedestal mounting.

Call or write for more information and data sheets. 40 Maritime Reporter/Engineering News

Maritime Reporter

First published in 1881 Maritime Reporter is the world's largest audited circulation publication serving the global maritime industry.