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MARINE REVIEW Builds Three Distinctive Engine Types > Z a —CYCLE SINGLE or DOUBLE ACTING Record of Builder The Hooven, Owens, Rentschler Co., Hamilton, builder of the Hamil- tcn-M. A. N. engine, has had a half century of engine manufacturing ex- perience. It established a remarkable production record during the war and at all times has held position in the front rank for performance of its en- gines. Distinctive Features This year the company secured the license to build the famous M. A. N., German design, engine. This gave it access to the engineering experience of the original diesel engine building plant and one which has always been in the foreground in diesel develop- ments. The Hamilton company is iil ein Oa Ec RECO Cy) al fet = building three distinctive types. For small engines, from 20 to 400 horse- power, it builds a 4-cycle, single act- ing, solid injection type, with revolu- tions from 500 to 250. These engines are adapted for direct connection to generator, as auxiliary engines, or with direct reversing gear for ship pro- pulsion. From 500 to 900 horsepower, the engines have air injection. The second type is a slow running, crosshead type, 2-cycle, built in sizes from 1000 to 3000 horsepower, revo- lutions from 125 to 90. They have attached compressors and_ attached scavenging pumps in the larger sizes. They are adapted for ship propulsion and have direct reversing mechanism. The third size is from 1500 to 15,-- 000 horsepower, and is a double act- ing, 2-cycle type, revolutions from 140 to 85. Attached air compressors are fitted. The 2-cycle engines have port scavenging, the scavenging through the cylinder being by a new patented method. CROSS SECTION THROUGH CYLINDER AND COMPRESSOR OF 4-CYCLE, AND AT RIGHT, SECTION OF 2-CYCLE, SINGLE ACTING ENGINES December, 1924 __ 4s inte et