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Halter Delivers Oceangoing Tug To Jackson Marine Corp. Halter Marine, Inc., New Orleans, La., has delivered the oceangoing tug, the Mister Randy, to Jackson Marine Corporation, Aransas Pass, Texas. The Mister Randy is part of Jackson Marine's domestic fleet and is currently operating out of Belle Chasse, La., for the Brown & Root Pipeline Division there. The new tug has overall dimensions of 100 feet in length, 30 feet in width and a 14-foot depth. Propulsion in the Mister Randy is pro- vided by two Caterpillar D-399 engines and reverse/reduction gears are Reintjes WAV- 1400 with a 4.95:1 ratio. Steering gear is by International Steering, Ltd. The lOO-foot Mister Randy is currently working for the Brown & Root Pipeline Division. Auxiliary machinery includes two 75-kw GM generators. Heating and cooling units are provided by Lennox and Carrier, re- spectively. Deck machinery includes a dou- ble drum towing winch, anchor windlass, two vertical rollers and a stern roller. Communications and navigation equipment include the following: VHF radio RF440; Northern 550 single-sideband radio; Decca 914 radar; Plath compass; Sperry gyro- compass with two repeaters; Sperry auto- pilot, and Simrad depth recorder with trans- ducer. The Mister Randy is ABS loadline certi- ficated and carries a Panama Canal admeas- urement certificate. The vessel was constructed at the New Orleans division of Halter Marine, Inc., one of 10 shipyards owned and operated by Halter in the Southeastern United States. Clyde Iron Develops New Crane For Ports And Shipbuilding Clyde Iron, Newark, Del., a unit of AMCA International Corporation, is now offering a second generation revolving crane—the Clyde Hydra-Whirley™—for shipbuilding, port op- erations, and heavy construction. Gantry or barge-mounted, the Clyde Hydra-Whirley combines the power of hy- draulics with the versatility of electronics. While models are available with lift range capacities up to 460 KIPS, this new crane's electronic controls allow ultra-precise posi- tioning, with touch control for delicate move- ments. Modular construction means that assembly and erection time is reduced 30 percent to 50 percent over conventional cranes, and trouble-shooting can be handled with a minimum of downtime. The Clyde Hydra-Whirley is designed for five independent motions: swinger, travel, boom, main and whip hoists are individually powered and controlled. A short tail swing brings the operator closer to work areas. Cabs and controls on the Hydra-Whirley are ergodynamically designed for maximum safety, comfort and convenience. The design provides improved protection against the elements and is available in environmental color schemes. For additional information on the Clyde Hydra-Whirley cranes, contact W.J. Magrat- ten, Clyde Iron, Suite 200, Stockton Build- ing, University Office Plaza, Newark, Del. 19702. H.M. Tiedemann & Company Completes Vibration Analysis Survey For Canadian DOT As a result of problems in the main pro- pulsion system during the first seven years of operation of the icebreaking car ferry, Ambrose Shea, H.M. Tiedemann & Company, Inc., 295 Greenwich Avenue, Greenwich, Conn. 06830, was engaged by the Canadian Department of Transport and Canadian Na- tional Railways to conduct vibration tests to determine the causes, and to recommend a course of action. The vessel is twin screw, with diesel- electric drive. The five d-c generators are directly connected to the five main diesels, with no intermediate bearings. Although not a serious problem in the first few years, armature band failures began to occur, and there was evidence that there had been rub- bing on the stator poles before failure. Vibration data taken on the diesel and generator revealed that the relative motions of the two were enough to close the air gap and result in rubbing. The recommendations were to increase the air gap and stiffen the engine foundations. Operation since then has been satisfactory. One of the factors contributing to the failures was the fact that slightly different propellers had been installed sometime ear- lier, and increased hull vibration levels had been reported. A complete hull and propeller vibration test and analysis program was con- ducted, leading to final recommendations as to the design of propeller to be used in the future. This work was done in concert with the well-known Canadian design firm of German & Milne. TMT Appoints Ralph Heim Jr. Manager Operations/Jacksonville Ralph W. Heim Jr. has joined Trailer Ma- rine Transport Corporation as manager of operations, Jacksonville, Fla., according to a recent announcement by Robert G. Homan, senior vice president of the Caribbean Divi- sion of Crowley Maritime Corporation, TMT's parent company. Mr. Heim comes to his new position with nine year's experience in the Puerto Rico maritime industry. As manager of opera- tions for TMT's Jacksonville terminal, he will be responsible for operation of one of the busiest ro/ro terminals in the South. TMT provides ro/ro service between Jack- sonville and San Juan every other day, uti- lizing mammoth oceangoing barges, some capable of carrying as many as 374 forty- foot trailers. TMT also provides service be- tween Miami and San Juan, and between Lake Charles, La., and San Juan. Crowley's other Caribbean operations in- clude Gulf Caribbean Marine Lines, which provides pass/pass warehouse barge service between Gulf ports and the Caribbean, and CTMT, Inc. and Interisland Intermodal Line, which operate feeder services to Venezuela, the Dominican Republic, the Virgin Islands, and the Leeward and Windward Islands. TWELVE NATIONS GATHER AT HUD— Hongkong United Dockyards Ltd. resembled a United Nations meeting recently with ves- sels from 12 countries docked at its Kowloon Yard for repair and conversion. The photo above was taken at that time. The delega- tion of vessels came respectively from Peo- ple's Republic of China, Panama, Kuwait, France, Denmark, Liberia, Norway, Thai- land and Vietnam. Hong Kong is also repre- sented at the delegation by the vessel Marco Polo. Among the repair works to be under- taken on these vessels, perhaps the most interesting project is the conversion on Al- Khaleej from Kuwait, a livestock carrier converted from the former reefer vessel White Ocean. The vessel will be first cut into two sections before an additional seg- ment (center) is incorporated into the ves- sel to lengthen the ship by 18.4 meters (about 60 feet). Adrick Supplies Refrigeration For Vessels At Equitable Richard Vassallo, president of Adrick Cooling Corporation, has announced the completion of the first shipment of three ships sets of cargo refrigeration and air- conditioning marine condensing units to Equitable Shipyards, Inc., New Orleans, La. The units were designed, engineered and manufactured by Adrick Cooling in its Ron- konkoma, Long Island, N.Y. facility. The units were fabricated and shipped within three months from receipt of approved drawings. Equitable Shipyards has three vessels under construction for American Atlantic Shipping Co. Adrick Cooling Corp., in addi- tion to building the refrigeration and air- conditioning equipment, will also layout, install and test the refrigeration piping systems. MYNSW METHOD WILLPB/OLUT/OH/Z'C TH? SH/p Jumo-IIIHG INDUtm" 18 Maritime Reporter/Engineering News
