The building of a wooden ship by unknow

Author:unknow
Language: eng
Format: epub, pdf
Tags: Shipbuilding
Publisher: Philadelphia, Pa. [Industrial Service Section, United States Shipping Board Emergency Fleet Corporation]
Published: 1918-03-25T05:00:00+00:00

TRESTLETREE—one of the two strong bars of timber fixed horizontally fore-and-aft on the opposite sides of the lower masthead. The treetletrees support the framework of the main top and the topmast. When attaching to the top masthead they support the topmast across trees and topgallant mast.

TRIATIC STAY—a wire or hemp stay or rope, which is secured to the head of the topmaste of fore-and-aft vessels and leads aft to the lower masthead of the next mast aft. These are additional fore-and-aft stays to the topmasts.

TRICE—^to haul up and secure anything, as the heel of a boom, clue of a fore-and-aft sail, etc., "trice up the boom."

TRICING LINE—a small line with which anything is triced up.

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TRIM—^the amount a ship is off even keel or down by the head or stem, as "she trims by the head or stern."

TRUCK—a circular or spherical shaped piece of hard, tough, fine-grained wood, such as lignum vita, which is placed at the extremity or the highest point of a mast, where topmasts or topgallant masts are used; it is only at the highest point of the highest mast. The truck is a protection to the end of the timber in the masts, preventing moisture from getting in and rotting the end fibres, is ornamental and is also useful; it is fitted with small holes, and sheaves are provided, through which are rove the signal halyards.

TRUNK CABIN—the name given to the cabin or compartment used for living quarters, which is half above and half below the upper deck.

TUMBLE HOME—^the sloping in of the vessers topsides above the point of greatest beam.

TUCK—^the after part of a ship where the ends of the planks in the bottom terminate at the tuck-rail, also known as all that part of the ship's bottom below the wing transom, where it takes the shape of the wing transom as far aft as the fashion piece.

TUCK-RAIL—^the rail which is worked on to the upper side of the wing transom, forming a rabbet which provides for the calking of the butt or hood ends of the bottom planking.

TURN—^to turn or twist a rope or chain around a cleat, belaying pin, bitts, mast, bollard, yard or spar, for the purpose of fastening or securing, is called "catching/' "catching a turn" or "taking a turn"; to turn in a dead^e is to strap it around or secure it to the end of a shroud; to turn the glass is to turn the sandglass over so that the sand will start running and indicate a certain interval of time. This is done when heaving a log.

TURNBUCKLE—a mechanical device made of iron or steel, consisting of a double nut with two eye bolts, one threaded right-hand and one threaded left-hand. When the nut is revolved in one direction it tends to bring the two eyebolts together, when revolved in the opposite direction it tends to force the two bolts apart. This device is used for setting up standing rigging, and when used, the shrouds or stays can be set up very tight and great strain or pressure can be created.

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