File:A manual of marine engineering- comprising the design, construction, and working of marine machinery (1907) (14766140742).jpg

Identifier: marineen00seatmanualofrich (find matches)
Title: A manual of marine engineering: comprising the design, construction, and working of marine machinery
Year: 1907 (1900s)
Authors: Seaton, Albert Edward, 1848-1930
Subjects: Marine engineering
Publisher: London, C. Griffin and company, limited New York, D. Van Nostrand co.
Contributing Library: University of California Libraries
Digitizing Sponsor: MSN

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Fig. 6.—Oscillating Engine—Section tbrougli Trunnions. a horizontal engine, set at an angle so as to suit the height of the shait atone end and the frames of the ship at the other. It takes up a largeamount of space in a fore and aft direction, but not so much in the athwart-ship direction as either the oscillating or side-lever type, and for this reasonno doubt, and because it is somewhat heavier and more expensive than the MANUAL OF MARINE ENGINEERING. other forms of paddle engine, it had not found so much favour withengineers. It is, however, a very convenient form when space is not anoliject in design, especially with large powers in light draught vessels, as theweight is not so much concentrated, and the strains are in a direction wherethe natural structure of such ships is best calculated to resist them. Forthese reasons this form of engine is now adopted generally in the fast riverand cross-channel steamers. In some ships of very light draught, the
Text Appearing After Image:
Section through Valve Boxes. heavy cast-iron framing is replaced with light wrought-iron, or steelstructures, sometimes designed to form part of the framework of the ship •when this has been done the weight of the engine has not exceeded that ofother types. Fig. 7 is a good example of a modern diagonal engine as fittedin fast, shallow draught vessels by Messrs. John Brown &, Co., Clydebank,and others. Fig. 8 is an example by the Fairfield Company of a lar^e (To face p. S.

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