Yachts and Yacht Building: Being a Treatise on the Construction of Yachts and Matters Relating to YachtingE. & F.N. Spon, 1872 - 95 páginas |
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abaft the centre abaft the middle alteration America angle area of sail ballast batten body plan bolted bowsprit breadth builders built cabin calculations centre of effort centre of gravity centre of vertical construction constructor cubic feet curve cutter Cygnet deck depth dimensions distance dividing line draught of water English oak fore body fore end fore-mast fore-sail gravity of displacement half area half-breadth plan height hull inches inclined water line increased keel lateral resistance length lengthened load water line main-mast main-sail Mary Taylor masts measure middle line midship section Model Yacht Mosquito moulded multiplied Naval Architecture ordinates perpendicular placed plank position proportion rabbet racing rudder rule schooner yachts sheer lines sheer plan side spars speed spoke-shave square stay-sail stem stern strake Table thick timber Titania tonnage tons Top-mast top-sail vertical longitudinal section vertical sections vessel wave wind yacht building Yacht Club
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Página 68 - Length. — At half the midship depth, measure the length of the vessel from the after part of the stem to the fore part of the sternpost ; then to twice the midship depth add the foremost and the aftermost depths for the sum of the depths. Add together the upper and lower breadths at the foremost division...
Página 67 - The length shall be taken in a straight line at the deck, from the fore part of the stem to the after part of the stern-post...
Página 67 - Builders' measurement, or OM, is the measurement of a vessel according to the old law of 1773 (13 George III., Chap. LXXIV.) which prescribed as follows : " The length shall be taken on a straight line along the rabbet of the keel of the ship, from the back of the main stern-post to a perpendicular line from the fore part of the main- stem under the bowsprit, from which...
Página 68 - Afterpart of the Stem and the Forepart of the Stern-post into Six equal Parts. Depths: At the foremost, the middle, and the aftermost of those Points of Division, measure in Feet and Decimal Parts of a Foot the Depths from the under Side of the Upper Deck to the Ceiling at the Limber Strake. In the Case of a Break in the Upper Deck, the Depths are to be measured from a Line stretched in a Continuation of the Deck. Breadths: Divide each...
Página 68 - ... below the load water-line, project beyond the length taken as above mentioned, such projection or projections shall, for the purposes of finding the tonnage, be added to the length taken as stated.
Página 67 - ... three-fifths of the breadth, the remainder shall be esteemed the just length of the keel to find the tonnage ; and the breadth shall be taken from the outside of the outside plank...
Página 68 - At the foremost, the middle, and the aftermost of those points of division, measure in feet and decimal parts of a foot the depths from the under side of the upper deck to the ceiling at the limber strake. In the case of a break in the upper deck, the depths are to be measured from a line stretched in a continuation of the deck.