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New York SNAME Discusses Integrated Tug-Barge Systems At Joint Meeting With Society Of Marine Port Engineers Shown at the joint meeting, left to right: Edward F. McCann II, Westinghouse Electric Corp., discusser; I. Hil- ary Rolih, George G. Sharp Co.; Nicola F. Pergola, executive committee, New York Metropolitan Section SNAME; Charles W. Wilson, Section chairman, Robert J. Tapscott and Robert P. Giblon, authors; Edward English, Louis V. Minett, and Philip A. Donahue, N.Y. Port Engineers; and Donald B. Carpenter, vice chairman, N.Y. Section. The annual joint meeting of the New York Metropolitan Section of The Society of Naval Architects and Marine Engineers and The So- ciety of Marine Port Engineers New York, N.Y., Inc. was held on December 12, 1972, at the New York Times Building in New York City. After a social hour and buffet in the Execu- tive Dining Room, the technical session was held in the WQXR Auditorium, where a paper was presented entitled "Design and Economics of Integrated Tug-Barge Systems," by Robert P. Giblon and Robert J. Tapscott of George G. Sharp Co. The paper discusses the reason for the cur- rent interest in integrated tug-barge and out- Radiomarine Floating Exhibit Embarks On Year-Long Tour The converted 43-foot houseboat is outfitted with more than $50,000 worth of new radar systems and other communications and navigation aids made at Radio- marine's Red Bank, N.J. plant. An unusual floating demonstration labora- tory has been outfitted by Radiomarine Cor- poration to show off its new line of radar and communications systems. The vessel, a converted 43-foot houseboat, recently departed Red Bank, N.J., on a year- long tour of some 20 seaports along the At- lantic and Gulf Coasts. During the port visits, scores of shipowners and captains and other marine industry figures will be invited aboard to inspect the new equip- ment and observe it in actual operation. Radiomarine technicians have installed aboard the vessel more than $50,000 worth of new radar systems, communications units and lines their history leading up to current de- velopments in such designs, citing specific ex- amples. Propulsion plants are discussed and single-screw and twin-screw propulsion sys- tems are compared. The paper discusses a number of applica- tions, both commercial and military, for which integrated tug-barge systems would be par- ticularly suitable because of the flexibility of- fered by the detachable, interchangeable pow- er plant (tug), and the relative lower first cost and operating cost as compared to a ship; the relative economics of tug-
