Strake ship construction pdf

Shell plating the steel sides of the vessel are constructed from a series of steel plates referred to as the shell plating. Step one determine the width of your planking at midship. So if side shell plating has strakes from a to k, then kstrake is the shear strake. Construction, furnaced plate b shell plating that has curvature in two directions and must be heated and hammered to shape over. If you are studying for a united states coast guard deck license exam which includes this module, you should work through these questions until you are scoring 80% or better on them. Wood applications lofting types of construction model boat building building the puffin getting involved. Restoration of a riva runabout above and new construction of traditional chris craft style barrelback runabout they have great lines. I want to share with you a very detailed set of instructions on how to build a fairly simple plank on frame model. This was the ship builders assistant, first published in 1711 and written after a career in the royal dockyards, particularly at portsmouth and deptford, by william sutherland. A ship at sea is subjected to a number of forces causing the structure to distort. Construction, drop strake a owing to the greater girth of a ship amidships than at the ends, certain strakes are dropped as they approach the bow and stern to reduce the amount of plating at the ends.

Clamp the strake to the timber frames using the gluing clamps. On ancient ships, a thick strake of ceiling fastened to the inner frame faces at or just above. Initially, these may be divided into two categories, as follows. The creation of beauty is more satisfying and joyous.

Lippincott company this glossary gives definitions of many but by no means all of the ship boat construction. Ship construction is something that requires a lot of imagination to understand. Inanimate objects, stores, and equipment are aboard a ship. Extensions of the shell plating above the deck are called bulwarks. Types of construction modern cold molding layers of plywood or veneer are glued up on molds using epoxy resin. Brunels great britain preface england is a land packed with interesting and historic sites.

Ship construction today is a complicated compound of art and science. A vertical, cylindrical trunk in the ship, running all the way down to the lowest part of the ship. In this replica the modernday researchers used materials and tools similar to those of the ancient shipwright. It provides an overview of current shipyard techniques, safety in shipyard practice, materials and strengths, welding and cutting, and ship structure, along with computeraided design and. Classification societies organisations which set standards for design and construction of. The strake is now placed onto the chocks and then carefully moved into the correct position. To a naval architect, probably the best example is to be found in bristol. Shell plating is the outermost structure on the hull of a steel or aluminum ship or boat. On ancient and early medieval ships, a thick strake of external planking that supported throughbeams and other timbers. Solid plate floors of nonwatertight construction are lightened by manholes. A strake is the name given to each line of planking in a wooden vessel. It is an attempt to facilitate the acquisition of this difficult language through a variety of tasks, with an emphasis on vocabulary and grammar, as well as reading skills. Midship constructions shipbuilding picture dictionary. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Ship design and construction bow constructions double bottom constructions midship constructions hold constructions engine room constructions tank constructions escape trunk constructions stern constructionss combinated constructions bow constructions top top double bottom constructions top midship constructions top hold constructions top engine. Stores, ammunition, and so on are taken aboard and struck below. Start at mid ship and use your tape to add the middle. The sheer strake is the upper strake of plating adjacent to the strength deck. Few contemporary models have more than one drop plank at the bow. Ship structural components for ship construction subject slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Construction of ship shipbuilding picture dictionary. The following illustrated glossary first appeared in its entirety in wooden ship building and the interpretation of. If there is one, it usually appears in the first strake below the wales. Configurations and characteristics of ship structural assemblies. Manual welding electrodes the core wire normally used for mild steel. Ship construction, complex of activities concerned with the design and fabrication of all marine vehicles. An object in thewaterbut not touching the ship is outboard of or off. Lippincott company this glossary gives definitions of many but by no means all of the shipboat construction.

The name capesize was derived from its required travel path. The technique developed in northern europe and was successfully used by the anglosaxons, frisians, scandinavians, and typical for the hanseatic cog. My name is bob hunt and i build model ships for a hobby. It provides an overview of current shipyard techniques, safety in shipyard practice, materials and strengths, welding and cutting, and ship. The parallel platforms of timbers, sloping down the foreshore, one on each side of a ship under construction.

The capesize bulker ship is a type of ship that cannot pass through the panama canal because of its large size. Clinker built also known as lapstrake is a method of boat building where the edges of hull planks overlap each other. An operational manual is always to be provided for. This work is licensed under a creative commons attribution 3. If you continue browsing the site, you agree to the use of cookies on this website. Gain more domestic involvement in the shipbuilding standards community. Ship and boat building terms international institute of.

Rules for classification and construction i ship technology. Another example of a capesize ship is a bulk carrier for coal. Ship design and construction bow constructions double bottom constructions midship constructions hold constructions engine room constructions tank constructions escape trunk constructions stern constructionss combinated constructions bow constructions top top double bottom constructions top midship constructions top hold constructions top engine room constructions top deep tank constructions. A ships ability to resist sinking after sustaining. In boat and ship construction the strake immediately adjacent to either side of the keel is known as the garboard strake or a strake. Ship s carpenters ship carpenter ship s carpenter a petty officer, responsible to the chief officer, whose duties include the opening and battening down of hatches and cargo ports, and maintaining wooden masts, spars, and decks. As an independent contribution, it is an exquisite source of information on ship construction terminology, but also a testament to the work of the late mr. Working upward come the bottom strakes, lowers, bilge strakes, topside strakes, and uppers also named sequentially as the d strake, e strake, etc. I know from the previous step that i will need 29 strakes.

Static forces ship floating at rest in still water. View and download model shipways bluenose instruction manual online. It provides an overview of current shipyard techniques, safety in shipyard practice, materials and strengths, welding and cutting, and ship structure, along with computeraided design and manufacture, international regulations for ship types, new materials, and fabrication. Ship construction, seventh edition, offers guidance for ship design and shipbuilding from start to finish. Single bottom structure is the shell plating with stiffeners and girders below the upper turn of bilge. Sheer strake is the top strake of a ships side shell plating.

P a r t 3 c h a p t e r 1 3 s e c t i o n 1 rules for classification. Deck strake at longitudinal bulkhead, excluding deck plating in way. Lining off your hull for planking ship model society of. It provides an overview of current shipyard techniques, safety in shipyard practice, materials and strengths, welding and cutting, and ship structure, along with computeraided design and manufacture, international regulations for ship types, new materials, and fabrication technologies. Scribd is the worlds largest social reading and publishing site. A vessel square rigged on the foremast only, the main and mizzen masts being foreandaft rigged. Heavy material, such as iron, lead or stone placed in the bottom of the hold to keep the vessel steady. Strakes are lettered, beginning with the a strake on. The kyrenia ship was built in the shellfirst manner. This is the strake that connects with the deck plating. Steffy, whose influence has been instrumental to the understanding of wooden ship building and the interpretation of shipwrecks and archival. Nov 09, 2018 ship structural components for ship construction subject slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Belfry the structure in which the ships bell was hung.

Ep0335345b1 improved hull construction for a swath. Resistance to the stresses will be by all longitudinally continuous material, particularly those items furthest from the neutral axis. Working upward come the bottom strakes, lowers, bilge strakes, topside strakes, and uppers also named sequentially as the d strake, e. Viking ships are pretty much symmetrical both fore and aft front and back and port and starboard left and right, so the curve in these pieces will be the same. Ship type has strong influence on design and the design process and.

In the great days of sail, vessels were designed and built on the basis of practical experience. But even if someone has a strong imagination bone in the body, knowledge of ship construction will still be difficult without knowing basic terms used in it. Body plan drawing consisting of 2 end views of a hull showing crosssection form, deck line curvature, and projections as straight lines of waterlines and buttock lines. Ive been building these wonderful models for over 23 years now. A ship is said to list if it has a permanent or semipermanent inclination to one side or the other. For each naval ship a stability manual has to be pro vided. An example of strakes lashed with bast fibre ropes to the ribs. Here is a link to a very informative web site on ship construction.

Much has changed in shipbuilding standards, and most of the basic seven initiatives identified for the 1992 master plan have been resolved. Sheer strake this is the uppermost strake of ships plate beneath the ships gunwale and in a position which is usually adjacent to the uppermost continuous deck. Scantling of ship bangladesh university of engineering and technology year ashifur rahaman roll. In the repair of ships, it is important that you have. Bottom plating, including keel plate and bilge strake. An autocad drawing of the various plating strakes on a convention hull. You will notice that this is not a fully framed model, as it is to be fully. Ship types there are an extremely wide variety of tasks to be performed by floating vehicles. Where necessary in larger craft, shorter planks can be joined end to end into a longer strake or hull plank. Recall the definitions of terms used to define the structure of the hull of a ship and the numbering systems used for. Lining off your hull for planking ship model society of new. Bilge strake line of shell plating at the bilge between bottom and side plating. Its timbers have been reconstructed in kyrenia, cyprus, where it is displayed along with car go and artifacts from the wreck.

The benefit of specialisation in a particular task or type of trade leads to a number of ship classes and types. This was the shipbuilders assistant, first published in 1711 and written after a career in the royal dockyards, particularly at portsmouth and deptford, by william sutherland. An object hanging against the side, bow, or stern is over the side, bow, or stern. Ship construction meo coc oral and objective exam for marine. A platform or projecting structure forward of the forecastle.

Chapter 3 ship compartmentation and watertight integrity learning objectives. Establish a communications center for shipbuilding standards. A strake is a course of the planking or plating of the hull of a vessel. In tribute to riveted ships first revised edition november 21, 2009 harry benford fig. Chs ship construction free download as powerpoint presentation. Structural terms in this section, you will learn some of the terms related to ship construction.

Three types of framing systems are considered in ship building. The next two are the first broad or b strake and second broad or c strake. A collection of lists and explanations of abstruse, obsolete, dialectical or technical terms. At the center line of the ship the middle strake of the inner bottom may be considered as the upper flange of the centerline docking girder, formed by the center girder and keel plate. Ship structural components for ship construction subject. You need at least two, preferably three people to do this. Scantling means dimension of ship building materials in framing system of structure. Bitts twin stout posts welded to the deck to which mooring lines are fastened. Illustrated glossary of ship and boat terms oxford handbooks. To appreciate better this technique of construction, a fullscale section of the bull was built for a length of 2 meters aft amidships. Designing and building a wooden ship penobscot bay. It is an attempt to facilitate the acquisition of this difficult language through a variety of tasks, with an emphasis on vocabulary and grammar, as well as reading. Two types of stem and stern piece construction have been found. Step one determine the width of your planking at mid ship.