Identifier: railroadengineer65newy (find matches)
Title: The railroad and engineering journal
Year: 1887 (1880s)
Authors:
Subjects: Railroad engineering Engineering Railroads
Publisher: New York : M.N. Forney
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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passes either of the points c or ^ shall give the same re-sistance to the progress of the vessel as that which passesthe point c does. Observe that while the depths bear theproportion, the one to the other, of two to one, the beam cis more than double the beam 1^° ; and by so much is itharder to move the water from a or a- to e, than from aor ;; to d. This is in open ocean ; the difference shownincreases rapidly as the ship gets into shoal water. A proper deference to this law also favors a ship in thematter of stability and convenience in handling, and is of
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>< Xoz td a:u. (d oiO o < W OS u en 5 OS o ent/)< UH CDOS Vol. LXV, No. 7) ENGINEERING JOURNAL. 309 especially great advantage when on soundings, where quickand accurate steering are called for. Had the builders ofwooden ships followed up this matter and consulted the ex-perience of their navigators, the big ships of to-day wouldnot be simply overgrown brigs of a hundred years ago, northe steamers of much the same proportion, and about asseaworthy as canal-boats. The various problems involved in marine work, handledde novo by the class of men which has handled the bridgebusiness in the United States during the last 50 years, wouldput the seagoing machine as far from the present favoritesas a good pinned truss or cantilever bridge from the nar-row span stone arch of former days. And even as thestone arch is, for small culverts which are not liable tofreshets, very near perfection to-day, so the wooden styleof boat building is, for yawls and cat-boats, very satisfac-tory. It

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