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Thwart
A thwart is a part of an undecked boat that provides seats for the crew and structural rigidity for the hull. A thwart goes from one side of the hull to the other. There might be just one thwart in a small boat, or many in a larger boat, especially if several oarsmen need to be accommodated. General description A thwart is a part of a boat that usually has two functions: as a seat, and as a structural member that provides some rigidity to the hull. A thwart goes from one side of the hull to the other in an open (undecked) boat, and therefore resists forces pushing in or pulling out the sides of the hull. More obviously it provides a seat for an occupant of a boat. In many sailing boats, a thwart may help support the mast. This can be done either by inserting the mast through a hole in the thwart (with the end resting in a mast step on the keel), or the mast may be clamped to one side of a thwartthis makes it easier to step and unstep the mast whilst afloat. Under oars In a boat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glossary Of Nautical Terms (M-Z)
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Canoe Drawing Showing Thwarts - 01
A canoe is a lightweight narrow watercraft, water vessel, typically pointed at both ends and open on top, propelled by one or more seated or kneeling paddlers facing the direction of travel and using a single-bladed paddle. In British English, the term ''canoe'' can also refer to a kayak, while canoes are called Canadian (canoe), Canadian or open canoes to distinguish them from kayaks. Canoes were developed by cultures all over the world, including some designed for use with sails or outriggers. Until the mid-19th century, the canoe was an important means of transport for exploration and trade, and in some places is still used as such, sometimes with the addition of an outboard motor. Where the canoe played a key role in history, such as the Northern United States, Canada, and New Zealand, it remains an important theme in popular culture. Canoes are now Canoeing, widely used for competition and pleasure, such as Canoe racing, racing, whitewater canoeing, whitewater, touring ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Whaleboat
A whaleboat is a type of open boat that was used for catching whales, or a boat of similar design that retained the name when used for a different purpose. Some whaleboats were used from whaling ships. Other whaleboats would operate from the shore. Later whaleboats usually could operate under sail or oar - American whaling crews in particular obtained better results by making their first approach to a whale under sail, then quickly unstepping the mast and using oars thereafter. Most whaleboats have double-ended, clinker-built hulls of light construction. The hulls were narrow and with sharp ends to achieve the best possible speed for the length of waterline. Length was between 27 and 31 feet. Beam was just over a fifth of the length. Typically they were propelled by five oars when rowed, and stepped a single removable mast when under sail. A rudder was used when under sail and a steering oar when the boat was rowed. The latter provided the manoeuvrability needed when closing wi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Inflatable Boat
An inflatable boat is a lightweight boat constructed with its sides and bow made of flexible tubes containing pressurised gas. For smaller boats, the floor and hull is often flexible, while for boats longer than , the floor typically consists of three to five rigid plywood or aluminium sheets fixed between the tubes, but not joined rigidly together. Often the transom is rigid, providing a location and structure for mounting an outboard motor. Some inflatable boats can be disassembled and packed into a small volume, so that they can be easily stored and transported. The boat, when inflated, is kept rigid cross-ways by a foldable removable thwart. This feature makes these boats suitable for liferafts for larger boats or aircraft, and for travel or recreational purposes. History Early attempts There are ancient carved images of animal skins filled with air being used as one-man floats to cross rivers. These floats were inflated by mouth. The discovery of the process to vu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Guildhall Museum Dinghy 3764
A guildhall, also known as a "guild hall" or "guild house", is a historical building originally used for tax collecting by municipalities or merchants in Great Britain and the Low Countries. These buildings commonly become town halls and in some cases museums while retaining their original names. Guildhalls as town hall in the United Kingdom In the United Kingdom, a guildhall is usually a town hall: in the vast majority of cases, the guildhalls have never served as the meeting place of any specific guild. A suggested etymology is from the Anglo Saxon "''gild'', or "payment"; the guildhall being where citizens came to pay their rates. The London Guildhall was established around 1120. For the Scottish municipal equivalent see tolbooth. List of guildhalls in the United Kingdom *Andover Guildhall * Barnstaple Guildhall * Bath Guildhall *Beverley Guildhall *Bewdley Guildhall *Blakeney Guildhall *Boston Guildhall * Brecon Guildhall *Bristol Guildhall *Bury St Edmunds Guildhall *Camb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bolt In St Mary's Harbour 02
The BOLT Browser was a web browser for mobile phones including feature phones and smartphones that can run Java ME applications. The BOLT Browser was offered free of charge to consumers and by license to mobile network operators and handset manufacturers. BOLT was produced by Bitstream Inc., the company which previously produced ThunderHawk for mobile network operators and handset manufacturers. BOLT was originally introduced into private beta on January 15, 2009 and was made available to the public on February 16, 2009 when the public beta was announced at Mobile World Congress in Barcelona. BOLT supported Java-based handsets with Java MIDP 2 and CLDC 1.0 or higher. BOLT also has specially optimized version for BlackBerry smartphones and worked with Windows Mobile and Palm OS devices that employ a MIDlet manager or Java emulator. BOLT was built using the WebKit rendering engine to display a full Web page layout as found on desktop web browsers. In December 2011, BOLT Browser w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Clinker Built Dinghy Awaiting Restoration
Clinker may refer to: *Clinker (boat building), construction method for wooden boats *Clinker (waste), waste from industrial processes *Clinker (cement), a kilned then quenched cement product * ''Clinkers'' (album), a 1978 album by saxophonist Steve Lacy *Clinker brick, rough dark-coloured bricks *Clinker Peak, a volcanic peak in British Columbia, Canada * Clinker Ridge, a mountain ridge in British Columbia. Canada * Gary James Joynes, a.k.a. Clinker *Mount Price (British Columbia), formerly known as Clinker Mountain Clinker may also refer to: *Small rocks that form in some ʻAʻā lava flows *Waste from coal-seam fires Surname * Cletus Clinker (1911–1979), American football player and coach *Humphry Clinker, title character of Tobias Smollett's 1771 novel ''The Expedition of Humphry Clinker ''The Expedition of Humphry Clinker'' was the last of the picaresque novels of Tobias Smollett, published in London on 17 June 1771 (three months before Smollett's death), and is consi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Strut
A strut is a structural component commonly found in engineering, aeronautics, architecture and anatomy. Struts generally work by resisting longitudinal compression, but they may also serve in tension. Human anatomy Part of the functionality of the clavicle is to serve as a strut between the scapula and sternum, resisting forces that would otherwise bring the upper limb close to the thorax. Keeping the upper limb away from the thorax is vital for its range of motion. Complete lack of clavicles may be seen in cleidocranial dysostosis, and the abnormal proximity of the shoulders to the median plane exemplifies the clavicle's importance as a strut. Architecture and construction Strut is a common name in timber framing for a support or brace of scantlings lighter than a post. Frequently struts are found in roof framing from either a tie beam or a king post to a principal rafter. Struts may be vertically plumb or leaning (then called canted, raking, or angled) and may be straight ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
