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Ei). NO: 1 & CLASS—Tanker—Canal—Single Screw—Diesel Electric DESCRIPTIONS Single screw diesel electric tanker for car- rying oil in bulk, for bay, sound and river service, including nav- igation of the Erie canal with its special requirements of draft and bridge clearance. Equipped with towing machines for handling tow barges when de- sired. Speed in serv- ice 10 knots. This illustration shows L. T. C. No. 3, a sister ship of L. T. C. No. 1 and No. 2. Name—L.T.C. No. 1 Owner—Lake Tankers Corp. Builder—Bethlehem S.B. Corp., Fore River Naval Architect—Bethlehem Shipbuilding Corp. Launche , 380; completed, May 30, ’30 Sister Ships—L.T.C. No. 2; L.T.C. No. 3, respec- tively launched, May 14, ’30; June 10, ’30; completed, June 13, ’30; July 1, ’30 Classification—Lloyds Register HULL PARTICULARS Length over all, 201 feet 7 inches; length between perpendiculars, 192 feet 6 inches; breadth molded, 32 feet; depth molded, 11 feet 6 inches; draft summer load line, 9 feet 5% inches; displacement loaded, 1311 tons; gross tonnage, 548; net tonnage, 321; cargo capacity, in tons, 720; in cubic feet, 35,540; bunker die- sel fuel oil capacity in tons, 25.3; speed, 10 knots. MACHINERY PARTICULARS Main Engines—Two, 6-cylinder, 11 x 15 inches Winton diesel engines of 325 horsepower each. Main Generators—Two, General Electric di- rect current, each of 210 kilowatts each direct connected to one of the 325 horsepower diesel engines described above. Propelling Motor—One (two 250 horsepower units in tandem) total 500 horsepower built by General Electric. Auxiliary Generator—One 15 kilowatts Gen- eral Electric driven by a Winton diesel engine. Pumps—Northern; Warren Pump Motors—General Electric Windlass—-Hyde Windlass Co. Towing Winch—American Engineering Co. Steering Engine (electric)—Hyde Windlass Propellers—Roxbury Steel Casting Co. Oil Purifiers—De Laval Separator Co. Marine Hardware—H. S. Getty & Co. Ine. Deck Covering—Selby, Battersby & Co. This tanker and her sister vessels the L.T.C. Nos. 2 and 38 are built on the Isherwood bracket- less system of construction. Deck room is pro- vided for stowage of cargo in barrels. These vessels are noteworthy in that they have sufficient ballast capacity to clear the bridges on the New York state barge canal with- out using cargo tanks for ballast, thus avoiding all chances of contamination of canal water from Oily ballast. The problem of canal operation has been close- ly studied from practical experience in design- ing these vessels. The pilot house, the top of which is below the clearance line for canal bridges which is 19 feet 6 inches above the base line of the vessel and 14 feet 7% inches above the mean draft of the vessel light. Quarters for officers and crew are located on the deck aft above the machinery space. Z A \ marge a a Re , =o EE TPN TPs sa. Pe = a Dau ' ‘ 2 MARINE REviIEw—April, 1931 25