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BE MPP Te SP CS A eS ee "Soe aes. pT TS ee Pe Oe EN ie Ee a a ee THE MARINE REVIEW VOL. 43 CLEVELAND JUNE, 1913 NEW YORK No. 6 Oil Tanker San Fraterno Among the Most Interesting Class of Tonnages Build- ing at Present in Great Britain Are the Oil Tankers PART from the large mail and passenger steamers, probably the most interesting class of mercantile tonnage now under con- struction in Great Britain are the ten 15,700-ton oil-carrying steamers for the Easle Oul Transport Co, ltd. an important syndicate presided over by Lord Cowdray, which is actively en- gaged in the exploitation of a terri- tory of over 75,000 sq. miles of oil- ten vessels are to be built on the Ish- erwood system, as the owners desired to take advantage of the decrease in weight allowed by the longitudinal system of framing, and they also rec- ognized. the advantages gained by clearer holds, besides the increased dead weight. They are to be gener- ally similar, differing only in points of small. detail, for in some instances the main deck will be parallel to the By F. C. Coleman tract speed is 11% knots, which was exceeded during the trials which took place off Tynemouth towards the end of April, The propelling machinery consists of quadruple-expansion en- gines, built by the Wallsend Slipway & Engineering Co., Ltd. and having cylinders 28% in., 41 in., 58 in., and 84 in., with a stroke of 54 in., and steam is supplied by four cylindrical boilers, each 16° ft.-3: in. 'diameter and 12 'eked producing land in Mexico, Orders for these ten oil-carriers were placed last year with Sir W. G. Armstrong, Whitworth & Co., Ltd., of Walker-on- Tyne, and Swan, Hunter & Wigham Richardson, Ltd., of Wallsend-on- Tyne, who were to build three each, whilst Palmers Shipbuilding & Iron Co., Ltd., of Jarrow-on-Tyne and Wm Doxford & Sons, Ltd., of Sun- derland, were entrusted with the con- struction of two vessels each. All THE OIL.TANKER SAN FRATERNO keel line for the length of the oil tanks, instead of having sheer as will the others. The first of these vessels to be. passed into service is the San Fraterno, which was. built by Swan, Hunter & Wigham Richardson, Ltd., and illustrations of which are given cn this and other pages of this issue. The San Fraterno is 541 ft. 6 in- over all length, 66 ft. 6 in. extreme breadth, and carries 15,700 tons of oil on a 27 ft. 11 in. draught. Her con- long, designed for a working pressure of 220 lb. The machinery is placed in the after end of the ship, and the boilers are fitted for burning oil fuel' on the Wallsend-Howden patent system. The pumping plant for the liquid fuel is in a separate chamber, thus keeping the stokehold clear as far as possible of oil-fuel pipes and fittings. The oil holds and bunkers are divided in 13 compartments by transverse bulk-