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Hunter 30
The Hunter 30 is an American sailboat that was designed by John Cherubini as a cruising boat and first built in 1973. The boat was also supplied as an unfinished kit for amateur completion as the Quest 30. The Hunter 30 was the first design marketed by the manufacturer under that name. Later boats with the same name are commonly referred to as the Hunter 30-2 and Hunter 30T to differentiate them from the earlier unrelated design. Adding to the confusion, the 2006 Hunter 31-2 was also marketed as the Hunter 30. Production The design was built by Hunter Marine in the United States between 1973 and 1983, but it is now out of production. During its ten-year production run 1,000 examples were completed. Design The Hunter 30 is a recreational keelboat, built predominantly of fiberglass, with wood trim. It has a masthead sloop rig, a raked stem, a reverse transom, a skeg-mounted rudder controlled by a wheel and a fixed fin keel, shoal-draft keel, or a keel and centerboard combi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Cherubini
John is a common English name and surname: * John (given name) * John (surname) John may also refer to: New Testament Works * Gospel of John, a title often shortened to John * First Epistle of John, often shortened to 1 John * Second Epistle of John, often shortened to 2 John * Third Epistle of John, often shortened to 3 John People * John the Baptist (died c. AD 30), regarded as a prophet and the forerunner of Jesus Christ * John the Apostle (lived c. AD 30), one of the twelve apostles of Jesus * John the Evangelist, assigned author of the Fourth Gospel, once identified with the Apostle * John of Patmos, also known as John the Divine or John the Revelator, the author of the Book of Revelation, once identified with the Apostle * John the Presbyter, a figure either identified with or distinguished from the Apostle, the Evangelist and John of Patmos Other people with the given name Religious figures * John, father of Andrew the Apostle and Saint Peter * Pope J ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Raked Stem
The stem is the most forward part of a boat or ship's bow and is an extension of the keel itself. It is often found on wooden boats or ships, but not exclusively. Description The stem is the curved edge stretching from the keel below, up to the gunwale of the boat. It is part of the physical structure of a wooden boat or ship that gives it strength at the critical section of the structure, bringing together the port and starboard side planks of the hull. Plumb and raked stem There are two styles of stems: ''plumb'' and ''raked''. When the stem comes up from the water, if it is perpendicular to the waterline it is "plumb". If it is inclined at an angle to the waterline it is "raked". (For example, "The hull is single decked and characterized by a plumb stem, full bows, straight keel, moderate deadrise, and an easy turn of bilge.") Stemhead Because the stem is very sturdy, the top end of it may have something attached, either ornamental or functional in nature. On small ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alberg Odyssey 30
The Odyssey 30 is an American sailboat, that was designed by Carl Alberg and first built in 1960 in the San Francisco bay area. A total of 15 examples were completed. Many of the design elements of the Odyssey 30 were used in the Alberg 30 of 1962. The design is often confused with a different boat with the same name, the George Cuthbertson-designed 1987 Odyssey 30. Design The Odyssey 30 is a small recreational keelboat, built predominantly of fiberglass, with wood trim. It has a fractional sloop and a fixed fin keel. It displaces and carries of ballast. The boat has a draft of with the standard keel and a hull speed of . See also * List of sailing boat types Similar sailboats *Annie 30 *Bahama 30 *Bristol 29.9 *Catalina 30 * Catalina 309 *C&C 30 *C&C 30 Redwing *CS 30 * Grampian 30 *Hunter 30 *Hunter 30T *Hunter 30-2 *Hunter 306 * Leigh 30 *Mirage 30 *Nonsuch 30 * O'Day 30 *Pearson 303 *S2 9.2 The S2 9.2 is an American sailboat that was designed by Arthur Edm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alberg 30
The Alberg 30 is a Canadian sailboat, that was designed by Carl Alberg and first built in 1962. The Alberg 30 incorporates design elements from the similar Alberg Odyssey 30 of two years earlier. Production The boat was built by Whitby Boat Works in Canada, who completed more than 700 examples between 1962 and 1987, but it is now out of production. Construction was changed during the production run. Early models have a laminated wood mast brace and no liner, with a masonite-cored deck that drains overboard via the toe rail. Later models feature an aluminum mast brace inside a molded fiberglass liner, balsa-cored decks that drain through cockpit scupper drain hoses. Some boats built during the transitional period have mixed features. Design The Alberg 30 is a recreational keelboat, built predominantly of fibreglass, with wood trim. It has a masthead sloop rig, a keel-mounted rudder and a fixed long keel. It displaces and carries of iron ballast. The boat has a draft of w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Sailing Boat Types
The following is a partial list of sailboat types and sailing classes, including keelboats, dinghies and multihull ( catamarans and trimarans). Olympic classes World Sailing Classes Historically known as the IYRU (International Yacht Racing Union), the organization evolved into the ISAF (International Sailing Federation) in 1996, and as of December 2015 is now World Sailing. Dinghies Keelboats & yachts Multihulls Boards Radio-controlled Former World Sailing-classes Dinghies Keelboats & yachts Multihulls Boards Other classes and sailboat types Dinghies Keelboats & yachts Multihulls See also * Classic dinghy classes * List of boat types * List of historical ship types * List of keelboat classes designed before 1970 * Olympic sailing classes * Small-craft sailing * Clansman 30 Notes References {{DEFAULTSORT:Sailing boat types Types * Boat types A boat is a watercraft of a large range of types and sizes, but general ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hull Speed
Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to-trough dimension (height) increases as well. When hull speed is exceeded, a vessel in displacement mode will appear to be climbing up the back of its bow wave. From a technical perspective, at hull speed the bow and stern waves interfere constructively, creating relatively large waves, and thus a relatively large value of wave drag. Ship drag for a displacement hull increases smoothly with speed as hull speed is approached and exceeded, often with no noticeable inflection at hull speed. The concept of hull speed is not used in modern naval architecture, where considerations of speed/length ratio or Froude number are considered more helpful. Background As a ship moves in the water, it creates standing waves that oppose its movement. Thi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Performance Handicap Racing Fleet
Performance Handicap Racing Fleet (PHRF) is a handicapping system used for yacht racing in North America. It allows dissimilar classes of sailboats to be raced against each other. The aim is to cancel out the inherent advantages and disadvantages of each class of boats, so that results reflect crew skill rather than equipment superiority. PHRF is used mainly for larger sailboats (i.e., 7 meters and above). For dinghy racing, the Portsmouth yardstick handicapping system is more likely to be used. The handicap number assigned to a class of yachts is based on the yacht's speed relative to a theoretical yacht with a rating of 0. A yacht's handicap, or rating, is the number of seconds per mile traveled that the yacht in question should be behind the theoretical yacht. Most boats have a positive PHRF rating, but some very fast boats have a negative PHRF rating. If Boat A has a PHRF rating of 15 and Boat B has a rating of 30 and they compete on a 1 mile course, Boat A should finish a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Holly
''Ilex'' (), or holly, is a genus of over 570 species of flowering plants in the family Aquifoliaceae, and the only living genus in that family. ''Ilex'' has the most species of any woody dioecious angiosperm genus. The species are evergreen or deciduous trees, shrubs, and climbers from tropics to temperate zones worldwide. The type species is '' Ilex aquifolium'', the common European holly used in Christmas decorations and cards. Description The genus ''Ilex'' is divided into three subgenera: *''Ilex'' subg. ''Byronia'', with the type species ''Ilex polypyrena'' *''Ilex'' subg. ''Prinos'', with 12 species *''Ilex'' subg. ''Ilex'', with the rest of the species The genus is widespread throughout the temperate and subtropical regions of the world. It includes species of trees, shrubs, and climbers, with evergreen or deciduous foliage and inconspicuous flowers. Its range was more extended in the Tertiary period and many species are adapted to laurel forest habitats. It occurs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Teak
Teak (''Tectona grandis'') is a tropical hardwood tree species in the family Lamiaceae. It is a large, deciduous tree that occurs in mixed hardwood forests. ''Tectona grandis'' has small, fragrant white flowers arranged in dense clusters (panicles) at the end of the branches. These flowers contain both types of reproductive organs ( perfect flowers). The large, papery leaves of teak trees are often hairy on the lower surface. Teak wood has a leather-like smell when it is freshly milled and is particularly valued for its durability and water resistance. The wood is used for boat building, exterior construction, veneer, furniture, carving, turnings, and other small wood projects. ''Tectona grandis'' is native to south and southeast Asia, mainly Bangladesh, India, Indonesia, Malaysia, Myanmar, Thailand and Sri Lanka, but is naturalised and cultivated in many countries in Africa and the Caribbean. Myanmar's teak forests account for nearly half of the world's naturally occurring teak. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Head (watercraft)
The head (pl. heads) is a ship's toilet. The name derives from sailing ships in which the toilet area for the regular sailors was placed at the head or bow of the ship. Design In sailing ships, the toilet was placed in the bow somewhat above the water line with vents or slots cut near the floor level allowing normal wave action to wash out the facility. Only the captain had a private toilet near his quarters, at the stern of the ship in the quarter gallery. The plans of 18th-century naval ships do not reveal the construction of toilet facilities when the ships were first built. The Journal of Aaron Thomas aboard HMS ''Lapwing'' in the Caribbean Sea in the 1790s records that a canvas tube was attached, presumably by the ship's sailmaker, to a superstructure beside the bowsprit near the figurehead, ending just above the normal waterline. In many modern boats, the heads look similar to seated flush toilets but use a system of valves and pumps that brings sea water into the to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Centerboard
A centreboard or centerboard (US) is a retractable hull appendage which pivots out of a slot in the hull of a sailboat, known as a ''centreboard trunk'' (UK) or ''centerboard case'' (US). The retractability allows the centreboard to be raised to operate in shallow waters, to move the centre of lateral resistance (offsetting changes to the sailplan that move the centre of effort aft), to reduce drag when the full area of the centreboard is not needed, or when removing the boat from the water, as when trailering. A centreboard which consists of solely a pivoting metal plate is called a centerplate. A daggerboard is similar but slides vertically rather than pivoting. The analog in a scow is a bilgeboard: these are fitted in pairs and used one at a time. General History Lt. John Schank (c. 1740 – 6 February 1823) was an officer of the British Royal Navy and is credited with the invention of the centerboard. Schank, however, gave credit for the idea to British Brigadier General ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Keel
The keel is the bottom-most longitudinal structural element on a vessel. On some sailboats, it may have a hydrodynamic and counterbalancing purpose, as well. As the laying down of the keel is the initial step in the construction of a ship, in British and American shipbuilding traditions the construction is dated from this event. Etymology The word "keel" comes from Old English , Old Norse , = "ship" or "keel". It has the distinction of being regarded by some scholars as the first word in the English language recorded in writing, having been recorded by Gildas in his 6th century Latin work ''De Excidio et Conquestu Britanniae'', under the spelling ''cyulae'' (he was referring to the three ships that the Saxons first arrived in). is the Latin word for "keel" and is the origin of the term careen (to clean a keel and the hull in general, often by rolling the ship on its side). An example of this use is Careening Cove, a suburb of Sydney, Australia, where careening was carried out ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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