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Gloucester Fishing Schooner, Diesel Engine Drive Essex, Mass., completed the wood- en fishing schooner Superior for Capt... J. HH. Dahlmer, . Gloucester, Mass. This vessel is of heavy con- struction and measures 108 feet in length between perpendiculars, 19 feet in beam. In operating condition she has a draft of 10 feet. Propel- ling power is supplied by one Superior diesel engine of 315 brake horse- power at 300 revolutions per minute. Her speed using full power is 10 miles per hour. The fuel consump- tion is 0.4 pound per brake horse- power per hour and radius without refueling is 2500 miles. This vessei is engaged in sword and mackerel fishing and also in dragging. The accompanying illustrations show the vessel and the engine. This engine was designed and built by the Superior Engine Co., Springfield, Ohio. It is a 4-cycle, solid injection type, of six cylinders, and develops 315 brake horsepower at 300 revo- lutions per minute. The boreis12% inches and the stroke 15 inches. The engine is of rugged construction and was designed for heavy duty and con- tinuous service. Horsepower ratings are based on 75 pounds mean effec- tive pressure which gives a consider- able emergency overload capacity. It is direct reversing. Starting, stopping and reversing the "engine is accomplished by a single handwheel. Quick acceleration, with governor control, is possible at all speeds. One of the features of this type of engine is that it is entirely enclosed, including the flywheel, and is therefore dust-proof and oil tight. All vital parts are readily accessible. The lubricating system is of the force feed type. The average compression pressure in this engine is 400 pounds per [" JULY, 1932 Story shipyards, square inch while the firing pressure does not exceed 600 pounds at rated loads and speeds. Length of the en- gine overall is 19 feet, 9 inches; height overall, is 8 feet, 2144 inches, and the width overall is 3 feet, 8 inches. The weight is 38,000 pounds, which is equivalent to 126.6 pounds per brake horsepower. The air com- pressor for compressed air for man- euvering is driven from the main en- gine. The engine is connected to the propeller shaft by means of a sliding clutch. There is a 5 kilowatt inde- pendent generator for lighting pur- poses. Award Contract for Tender As reported in the December issue of MARINE REviEW the Manitowoc Ship- building Corp., Manitowoc, Wis., sub- mitted a low bid of $236,417 for build- ing the lighthouse tender TAMARACK. The Berg Shipbuilding Co., Seattle, Wash., submitted a low bid of $377,- 000 for building the lighthouse tender HOLLYHOCK. On Dec. 18 the lighthouse service announced award of contract for the construction of the new diesel electric © Four cycle, sin- gle acting, solid injection, Six cylinder Supe- rior diesel en- gine of 315 ORD ab 22300 r.p.m. installed in: fishing S-C:hO0 0 ne ¢ Superior © . Gloucester fish- ing schooner Superior bwilt at Story ship- yards, Hsseux, Mass., for Capt. J. H. Dahlmer. This vessel is fitted with one 315 horsepower diesel engine of the type shown above © MARINE REVIEw—January, 1934 lighthouse tender TamaARAcK to the Manitowoc Shipbuilding Corp., Mani- towoc, Wis. on its low bid, the con- struction price being $233,917, includ- ing machinery. Construction is to be- gin immediately, and the terms of the contract call for the delivery of the vessel in Detroit, Mich., within 300 days. In the TAMARACK, diesel engines will drive electric generators, furnish- ing current for the electric motor which will drive the propeller. This type of drive has been selected as providing suitable flexibility for work- ing round buoys and when encounter- ing ice. Funds for the construction of the TAMARACK were provided by the Public Works administration. No information is available as this is written regarding the award of a contract for the construction of the lighthouse tender HoLLyHock. Fiftieth Trip to Coast On Nov. 27 the S. S. CaLirornia of the Pacific Mail Line sailed from New York, beginning her fiftieth voyage to California ports since January, 1928 when she sailed on her maiden voy- age in that service. During this pe- riod she has carried approximately 50,- 000 passengers between New York and California ports. Service of the Panama Pacific line, via the Panama canal, from New York to California ports, was inaugurated with the S. §S. KRroonLaAnp and Fin- LAND in 1915. It was interrupted by the war, but was resumed again in 1923. This service was vastly im- proved by the addition in 1928 of the fine turbine electric liner CALIFORNIA and in the following year by her sis- terships the VIRGINIA and PENNSYI- VANIA. These three vessels were the first of the splendidly equipped, effi- cient, modern passenger and cargo liners built in American shipyards during the last six years. It is interesting to note that since this service was commenced in 1915, a total of 232 voyages in the inter- coastal trade have been made by vessels of the Panama Pacific line. A total of 203,862 passengers have been carried in this time, an average of 880 passengers on each voyage. 31