File:Treatise on marine and naval architecture, or, Theory and practice blended in ship building. Illustrated with more than 50 engravings (1852) (14766493591).jpg

Identifier: treatiseonmarine00grif (find matches)
Title: Treatise on marine and naval architecture, or, Theory and practice blended in ship building. Illustrated with more than 50 engravings
Year: 1852 (1850s)
Authors: Griffiths, John W. (John Willis), 1809-1882
Subjects: Naval architecture
Publisher: New York : D. Appleton
Contributing Library: University of California Libraries
Digitizing Sponsor: Internet Archive

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, and we haveshown that the more round, the lessspace is required, see Plate 17. We have something to add in addi-tion to what has been said in relationto the comparative strength of the sternwith a stern frame ; the former requiresboth ribbands and shores to keep it up,while the latter is sustained with thesame size and kind of shore that willhold any other frame, showing thatthere is intrinsic strength in the frameitself, which the ordinary counter tim-ber does not contain in its connectionwith the transom. We have alluded in the present chap-ter to the side or corner counter tim-ber, and have endeavored to show thatthe floor of the loft was the properplace for delineating its shape andbevels, we shall now make an effort to-show the manner in which this may beperformed, presuming that there aremany who do not know how to performthis operation ; for the length and shapeof the mould, we have but to refer ourreaders to the half-breadth plan, ex-hibiting the stern in its distended capa-
Text Appearing After Image:
MARINE AND NAVAL ARCHITECTURE. 279 city from this or by this plan. Themould may be made as shown in Plate3, Section 2. If we counter mouldthe timber, it will be necessary to lineforward of the corner in the sheer-planits siding size ; this new line, as a con-sequence, must of necessity cross thesheer-lines in the sheer-plan ; let thesecrossings be squared down to the half-breadth plan, and noted or spotted onthe same sheer-lines that they crossedabove; mark in a line by these spots,and we have the bevelling edge of thecorner counter timber ; the space be-tween those two lines, it will be ob-served, is the bevel without a square,provided the after side stood across theship; hence it is plain, that we havenot all the bevel we require, inasmuchas the aft side does not stand acrossthe ship ; and by the inboard edge ofthe aft side being farther aft than theoutboard edge, the bevel must of ne-cessity be more standing, whence we atonce discover that something moremust be done ; we may consum

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