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Screw Steam Turbine Reduction Gear New Southern Pacific Steamship Line’s Freighter Ex, OckEANo on Her Trial Trip—Single Express Freighter Runs Well El Oceano Makes Nearly 154% Knots on First Voyage—Turbines, Gear Re- duction, Work Smoothly and Efficiently—Fine Cargo Handling Equipment BY A. S. HEBBLE Superintending Engineer, Southern Pacific Steamship Lines maintained by the Southern Pa- cific Steamship Lines between New York and Gulf ports. The latest vessel added to maintain these services, | eee express freight services are the S. S. Ext OcEANO, designed by the writer and constructed’ by the Federal Shipbuilding and Dry - Dock Co, Kearny, .N:. J. has recently completed her first round trip in regular service be- tween New York and Galveston, Texas. It is therefore possible to get a line on her performance. For the round voy- age the speed averaged 15.45 knots. All the machinery equipment operated in an entirely satisfactory manner and the fuel and water consumptions were within the contract requirements. The EL OCEANO’s general dimensions and particulars are as follows: Feet Inches Meng ti OVELall secsceriseshsscoseasserstvenancuasseoase 433 0 Length between perpendiculars ....... 415 0 MPA OMMOLUICK. 2 ies sisteenscsacevasvacuseatosvstveses 56 0 Depth molded to hurricane deck.... S710 Mepth “tO | MAM MOCK c..scccsycesessevedsceees 28 3 Mean draft loaded in sea water.... 26 Gross tonnage 6, GW BARDS: Poy 0 nhs 8 Lome ed AaB NE ey So PR CY Oa nea 4.171 Displacement in tons, draft 26 feet..11,750 The vessel is a single screw express freight steamship, with straight stem and elliptical stern, with two steel pole masts. There are three com- plete steel decks fore and aft with an orlop deck in addition in the for- ward hold. Cargo Handled Efficiently To provide easy access to cargo spaces there are five large center line hatches and eight cargo ports on each side. The vessel is arranged to handle cargo quickly and in an eco- nomical manner. There are two tu- bular steel booms on the forward and after side of each mast, with a capacity of seven and one-half tons each, and in addition, two derrick posts with tubular steel booms of five tons capacity. Eight 8% x 8 inches and two 8% x 10 inches double cylinder single geared cargo winches are lo- cated at the hatches for handling cargo. Steel deck houses are located on the hurricane deck to accom- modate the _ vessel’s crew, with the necessary arrangement of bath rooms, wash rooms, lavatories, storerooms, messroom, kitchen, pantry, and_ ice boxes. The pilot house and navigat- ing bridge are located on the forward end of the upper amidship house. Ac- commodations for the captain, deck and engineer officers are large and 244 well ventilated and comfortably fur- nished. Steel hatch covers are fitted over all hatches on the hurricane deck to insure water-tightness and as a safeguard in controlling fires in the holds. All the life saving and fire fighting equipment required by the United States steamboat inspection service, has been provided, and in ad- dition, the boiler room has been fitted with a Foamite firefoam fire extin- guishing apparatus for extinguishing oil fires. The vessel is propelled by a single screw driven by De Laval Steam Turbine Co.’s compound _ turbines through double reduction gear. The boilers are of Babcock & Wilcox small water tube type, and are oil fired. The vessel has a total deadweight carrying capacity, ready for sea, of 7900 gross tons on a 26 feet 0 inches mean draft in sea water. Of the total deadweight the cargo capacity is 6700 gross tons. Total cubic ca- pacity is about 500,000 cubic feet. A contract has been given to the Kingsbury Machine Works for fur- nishing 14 main thrust bearings for use on the shipping board diesel ships at a total price of $39,200.