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moving the aft part hull, comprising the engine room and Hold No. 7, in the direction of the slipway's front for a length of 11.8 feet. Construc- tion of the hull was in two parts — engine room and one part of Hold No. 7, and the other part from Hold No. 4 forward to the bow. The dis- tance between the two parts was about 8.2 feet. Both parts of the hull were sup- ported, as usual, by sand-filled blocks. The aft part, in anticipation of the eventual sliding-down opera- tion, was set 120 mm higher than the bow part. After completion of the aft hull and the usual extent of engine room outfitting, prepara- tions began for the sliding-down op- eration. By use of steel wire ropes the aft hull was secured to the Goliath Gan- try Crane that spans two slipways. By employing constant force from the gantry, tbe aft part was guided down the sliding ways at a constant speed of just under 2 feet per min- ute for the total distance of 114.8 feet. The aft hull was stopped by effecting increased force from the gantry. After having been stopped, the aft hull was accurately posi- tioned longitudinally and trans- versely by means of hydraulic presses, and then lowered by letting the sand flow out of the supporting blocks. The complete operation, includ- ing sliding down, accurate position- ing, and lowering of the hull part was carried out during two working days. A section containing Holds No. 5 and 6 was then inserted between the aft hull and the bow part. When completed, Hull No. 643 will have an overall length of 728.7 feet, beam of 75.7 feet, depth of 48.4 feet, and draft of 26/31.8 feet. For further information on the 3.Maj Shipyard, Circle 6 on Reader Service Card Isotta Fraschini Receives Order For 8 Engines —Literature Available The Yugoslavian company Brodo- materijal of Fiume has placed an order with Isotta Fraschini for eight ID 36 SS 8V diesel engines that will be used to power ferry boats. The Italian company's 6-16 cylinder, V- configuration ID 36 series engines have been adopted by several for- eign countries (U.S., Great Britain, Greece, Yugoslavia and Norway) for a variety of commercial and military applications. For further information and de- tailed literature on the complete line of engines offered by Isotta Fraschini, Circle 9 on Reader Service Card 2-Volume Research Report, 'Ship Performance Analysis System' Now Available The Maritime Administration has announced the publication of a two- volume research report, "Ship Per- formance Analysis System (SPAN)." May, 1986 The report describes the develop- ment of a microcomputer software program for determining the best hull and propeller surface vessel. It operates on an IBM-PC/XT or com- patible computer. The study team was headed by John J. McMullen Associates, Inc. Also participating were two U.S.- flag vessel operators, Titan Naviga- tion, Inc. and Tanker Management, Inc., and two marine coatings manu- facturers—Devoe Marine Coatings Co. and International Paint Co. McMullen was responsible for managing the project and develop- ing and documenting the SPAN sys- tem. The ship operators and paint manufacturers assisted in the devel- opment of data. The system analyses factors af- fecting ship performance and com- bines this with a financial analysis to evaluate alternative hull coating systems and propeller cleaning strategies. Copies of the report may be ob- tained from the National Technical Information Service, 5285 Port Royal Road, Springfield, Va. 22161. The order numbers and prices are as follows: Executive Summary, PB86-169554/AS, $9.95; User's Manual, PB86-169562/AS, $22.95. SPAN computer programs are available on diskettes from J.J. McMullen. For information on how to order, Circle 41 on Reader Service Card SPLIT, THE SHIPBUILDERS WITH A DIFFERENCE SEE US AT POSIDONIA 86. ATHENS JUNE 2-7. STAND NO. A 421. Over the past 1 •• years, Split has established a worldwide reputation for building and fitting out all types of vessels as well as constructing a wide range of special purpose off/on shore drilling platforms and other marine equipment, including diesel engines under the M.A.N. - B & W licence. Over 260 vessels totalling four million dwt. have been delivered. Over 90 per cent to overseas buyers. Today we are continuing that same tradition of quality and expertise. Designing even more sophisticated and complex ships. Building every conceivable type of vessel. If you want to see a big difference from other shipbuilders, contact SPLIT. OBR0D0SPLIT ^ * ^ SHIPBUILDING INDUSTRY „SPLIT" Address: Putudarnika 19, P.O. Box 107 58000 SPLIT, Yugoslavia. Telephone (exchange): 521-222 Telex: 26 125. 26 113, 26 296, BR0GR YU Cable: BR0SPLIT, Split President, telephones: 522-380. 522-075 A Member of Che Association of Shipbuilding Industry "Jadranbrod". Zagreb, Yugoslavia. OIL TANKERS CHEMICAL TANKERS BULK CARRIERS OBO S. COMBO CARRIERS REEFER VESSELS OCEAN GOING BARGES PASSENGER SHIPS NAVAL VESSELS Circle 212 on Reader Service Card 43
