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Topic: Hull ship


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  M Ship Co. | MS 80 Stiletto | Next Generation Hull Technology
The Stiletto, a Twin M hull vessel, is 80 ft in length with a 40 ft beam providing a rectangular deck area equivalent to a conventional displacement craft 160 ft in length.
M Ship Co. was responsible for the design and construction of the vessel made solely of carbon fiber for reduced weight and increased stiffness, the largest vessel ever built in the U.S. of this advanced material.
M Ship Co. has designed a family of such vessels to qualify for the full range of missions contemplated for operations in littoral or coastal zone.
www.mshipco.com /index.php?page_id=11   (345 words)

  
  NationMaster - Encyclopedia: Hull (ship)   (Site not responding. Last check: )
In hulls constructed from materials that are denser than water, such as steel, the hull traps a volume of air that lowers the overall density of the boat providing buoyancy so that the boat floats.
Hulls constructed of materials that are less dense than water, such as some types of wood, may float even when full of water.
Hull construction is usually performed in a dry dock or on dry land.
www.nationmaster.com /encyclopedia/Hull-%28ship%29   (423 words)

  
 Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal
By minimizing hull volume in the sea's surface, where wave energy is located, the vessel becomes very stable, even in high seas and at high speeds.
The bulk of the displacement necessary to keep the ship afloat is located beneath the waves, where it is not affected by wave action.
Placing the majority of the ship's displacement under the waves is similar in concept to submarines, which are also not affected by wave action.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=Small_Waterplane_Area_Twin_Hull   (332 words)

  
 Hull-Propeller Interaction
This approach also permits prediction of the unsteady pressure fluctuations on the hull and on the rudder, which are a main source for noise and vibration within a ship.
This study was, in large part, made possible due to the flexibility within CFX which made the creation of the rotor-stator interface possible by permitting topologically different grids to be connected and generating high quality meshes in the two regions with speed and ease.
Previously hull improvement studies have focused upon reducing hull resistance while neglecting to take into account the effect of the propeller on the flow and the interaction between the ship hull and the propeller.
www.ansys.com /industries/marine-hulls-propellerinteraction.htm   (337 words)

  
 M Ship Co. | Home of Stiletto | Next Generation Hull Technology
M Ship Co. is a privately held design firm specializing in the conceptualization, development and execution of innovative maritime ideas for the military, commercial and recreational markets.
The diverse management and design team at M Ship is helping evolve the ship design and construction process from the Industrial Age to the Information Age by offering unique ship designs while collaborating with stakeholders to deliver product on time and on budget.
The M80 achieves its remarkable draft with a specially sculpted hull that lets air and water flow underneath to reduce wind resistance and generate lift.
www.mshipco.com   (434 words)

  
 Yacht Design Software: 3D Hull Design, Modeling, Rendering, Hydrostatics : the Boat Design and Boatbuilding Directory
AEC Ship Hull Design generates a 3D associative model of the hull, and complements other CATIA modules (such as CATIA-CADAM AEC Drawing Production), providing a seamless set of tools of accurate, flexible and productive ship design and production.
Model complex hull geometry with trimmed surfaces and visualise hull shape changes with dynamic updating.
A complete ship design package for the calculation of stability and longitudinal strength.
boatdesign.net /directory/Software   (1116 words)

  
 The Ship Götheborg
On 3 September 2004 the ship was named by Queen Silvia, the ship's godmother, at a formal ceremony outside the Göteborg Opera House.
The ship was fully laden with goods such as tea, porcelain, silk and spices, and had almost reached dock after her third voyage to China, which had lasted a full 30 months.
There was not much left of the ship in December 1984, according to the divers who descended to the sea bed by the submerged rock, Hunnebådan, 900 metres from New Elfsborg Fortress.
www.soic.se /engelska/inenglish/theshipgotheborg.4.13382ddb109dc05c6d680002430.html   (824 words)

  
  '+imgs[0]+'
The timbers of the bow and stern are fastened to the deadwood.
The transverse strengthening members in a ship's hull that extend from the keel to the deck or gunwale.
The tops of a ship's frames; the transverse strengthening members in a ship's hull that extend from the keel to the deck or gunwhale.
www.wisconsinshipwrecks.org /tools_glossary.cfm   (3472 words)

  
  Copper.org : Marine-Review of Copper-Nickel Alloy Sheathing: SHIP HULL SHEATHING
Marine engineers have sought effective and economical means to protect ship hulls and marine structures from the ravages of sea water and marine life for centuries.
Copper-nickel as a hull material was first used as early as 1941 in the construction of Miss Revere, a 13.7 m yacht with a 2mm thick copper-nickel hull.
Copper-nickel as a hull material was first used in the mid-1960s by a professor at the University of Alabama after he made an extensive study of a wide variety of possible hull materials for his yacht, the Asperida.
www.copper.org /applications/marine/5-sheathing.html   (1370 words)

  
 Desaru ship
Despite heavy transverse and longitudinal loads throughout the ship during sailing, no bolts (or holes, or oxide stains) were found on the hull, between overlapping bulkhead frames and futtocks, or on the mast-supporting structure which is subjected to enormous loads in all directions.
On comparing the ship's profile in the stern with that of the bow, where it is gently curved, it is apparent that the designer wanted a broad and flat bow section, with full buoyancy, allowing for smooth sailing in choppy seas.
All but one of the hull planks were found in place, suggesting that the hull was intact before sinking; the exceptional bow plank is quite likely to have broken when the ship hit the seabed rather than on collision with a reef or another ship.
www.maritimeasia.ws /desaru/ship.html   (1885 words)

  
 Hull Stability - Theory and Tuning
R/C Combat models are unique in the ship modelling world because most of their ballast is functional and bulky, unlike the little slabs of lead that can be neatly tucked into the "perfect", lowest places on a non-combat hull.
However, the CoB moves when the the hull rolls over because the hull shape is not symmetrical (a floating log or round tube is the exception because it is symmetrical so its underwater shape does not change as it rolls).
Once a hull is able to sit upright in the water and resist forces that want to heel it over, another problem may come up: oscillation, or the "pendulum" effect.
www.rcwarships.com /rcwarships/nwc/stability.html   (1577 words)

  
 APPENDIX TWO – SHIP CONSTRUCTION AND CLASSIFICATION
It is recommended that a ship be built so that it is able to pass the above test with a 12” drop to allow for battle repairs and the hardening of balsa with age.
Ships which were properly built to 1/150 scale shall be "grandfathered" if they battled in a sanctioned IRCWCC battle prior to December 31, 1990.
Ships in Classes 7 through 2 may have up to a 1/4" wide taped or painted waterline, and ships in Classes 1 and 1/2 may have up to a 1/8" wide taped or painted waterline.
www.ircwcc.org /Rules/part2.htm   (3491 words)

  
 Prevent Hull Damage
Cleaning the hull now would allow a softer bristle brush to be used resulting in less paint damage and rejuvenation of anti-foulants.
If the hull is cleaned during Stage 2 when the immature barnacle is just beginning to develop, permanent hull damage can be avoided.
On military ships, the unpainted surfaces such as propellers, rudders, and sonar domes are cleaned twice as often as the hull surfaces.
www.hullcleaning.com /Prevent,Efficiency,Intervals.htm   (480 words)

  
 Navis.gr - Ship and Shipping
The ship to be repaired is floated in, the gate is closed, the water in the dock is pumped out, and the ship settles onto supports.
Ships and their crews are regulated by the United Nations through the International Maritime Organization, by the United States Coast Guard, and by governments.
Most ships are also listed by one of the classification societies that exist to facilitate the insuring of ships and their cargoes.
www.navis.gr /miscella/shipping.htm   (3292 words)

  
 Ships
Ships with a hull that has a mass from 75 to 299 kt are rated class L2 and ship with a hull mass of 300 kt and up are rated class L3 jump ships.
Ships with a hull that has a mass from 75 to 299 kt are rated class L2 and ships with a hull mass of 300 kt and up are rated class L3 jump ships.
When a ship is sharing combat ordnance other fleet members it will transfer ordnance to other ships until the ordnance storage level of the ship reaches its minimum level or all fleet members have loaded up to their minimum levels for ordnance.
homepage.mac.com /ti2gr/ships.htm   (4902 words)

  
 Federation USS Constellation Class Heavy Cruiser
Instead of the ship having a primary hull and a secondary hull or warp drives slung under the primary hull and removing the secondary hull, the ship puts the warp engines in a quad configuration and all four warp engines are mounted from the rear of the primary hull.
The ships mission was primarily exploration and the ship replaced the Constitution class as Star fleets premiere exploration starship.
Four of the mounts are on the top of the primary hull and four of the mounts are on the bottom of the primary hull.
www.kitsune.addr.com /SF-Conversions/Rifts-Trek-Ships/Federation_USS_Constellation.htm   (1860 words)

  
 Ship Structure Committee: Case Study IV: USS RADFORD
As the hull structure is primarily HTS (High Tensile Strength) steel, with a nominal yield strength of approximately 51 ksi, there was a factor of safety of less than 1.8 to yield in the extreme elements of the keel (compressive yielding).
Most combatant ship structures are designed and built with sufficient stiffness such that hull girder yield is the initial or limiting mode of structural failure within the hull girder.
The hull was assumed NOT to deflect due to the drydocking (i.e.
www.shipstructure.org /radford.shtml   (2875 words)

  
 Small Waterplane Area Tri-Hull Ships [SWATH]
For comparison purposes it is useful to think of the 2 hulls of a SWATH ship as geosims of a single-hull small waterplane area ship having twice as much displaced volume, or buoyancy.
Each dimension of a geosim, such as hull length, is related to the corresponding dimension of the reference hull by the linear scale ratio, which is defined as the cube root of the ratio of their displacements.
This means that SWATH ships have 26 percent higher total frictional resistance than a monohull small-waterplane-area ship of twice the displacement.
www.swath.com /Tri-hull1.htm   (746 words)

  
 Flow Grid Project
The propeller is located behind the ship hull and hence it rotates in water that has been already disturbed by the passage of the hull.
The actual ship is 210.00 meters long, but the computational grid was scaled to match the 7.50 meter length of the experimental model, in order to conduct a direct comparison with experiment measurements.
For finer grids, the cell height in the region near the hull is sufficiently small that wall functions are not necessary to represent the distributions of velocity, temperature, turbulence, energy, etc. within the boundary layer that forms adjacent to the hull surface.
www.unizar.es /flowgrid/ship_hull.htm   (1993 words)

  
 Star Ship Architects Manual
The fuel necessary for a streamlined ship to make a trip to the surface of a planet and return to orbit depends on the total mass of the ship, excluding the fuel mass, and on the gravity of the planet.
Once the total area of the hull is known divide it by 50 (rounding down) to obtain the material volume of hull (the volume of the hull itself, not the enclosed volume).
Select a hull material from the table and multiply the material volume by the mass and by the price per m3 to obtain the final mass and price of the hull.
members.tripod.com /~pedro_t/rpg/2300ad/ship_design/manual.html   (3288 words)

  
 5 April 2005 - single hull phase-out - FAQ
It says that tankers which are single hull should be phased out or converted to a "double hull" by the dates set out in the revised regulation.
After that the numbers increase, with 42 ships of 10.75 million DWT built in the period from 1985 to 1989.
The MEPC adopted Resolution MEPC.113(50) Ship recycling for the smooth implementation of the amendments to Annex I of MARPOL 73/78.
www.imo.org /Safety/mainframe.asp?topic_id=1043   (1271 words)

  
 Admiralty : Ship Values
Ships with F crews may be more dangerous to the friendly ships around them than to the enemy.
Big Fast indicates a large ship that is fast for its size, again, either by design or because it has a clean, freshly coppered hull (or some combination of both).
There were plenty of enthusiastic volunteers and the ships built were large for their size and of excellent quality.
www.wtj.com /games/beta/admiralty/docu_shipvalues.htm   (1334 words)

  
 SMALL WATERPLANE AREA TWIN HULL OR SWATH BOAT DESIGN
For comparison purposes it is useful to think of the 2 hulls of a SWATH ship as geosims* of a single-hull small waterplane area ship having twice as much displaced volume, or buoyancy, i.e.
Each dimension of a geosim, such as hull length, is related to the corresponding dimension of a single submerged reference hull by, the linear scale ratio, which is defined as the cube root of the ratio of their displacements.
However, if one uses a large centre submerged small waterplane hull to carry the loads of the vessel, for say 80-90% of the total displaced volume, then use two stabilizing outriggers, in trimaran layout as seen in the top diagram, the total frictional resistance disadvantage falls to 105% of a comparable conventional SWATH vessel.
www.solarnavigator.net /small_waterplane_area_triple_hulls.htm   (942 words)

  
 Hydro Lance Fast Ferry Fast-Ship Economies of Operation
The only way this could be possible is if ship #2 has a moving resistance in water that is half of ship #1's moving resistance.
This new twin hull vessel is 411 feet long with a beam of 61.3 feet.
Comparing the Hydro Lance Nirvana class ship to the mono-hull and the Mestral class vessels, the state-of-the-art 200 ton mono-hull ferry (250 passengers) consumes $269 per hour of fuel to travel 24 nautical miles in a sea state of Beaufort 4.
www.hydrolance.net /page9.htm   (2003 words)

  
 ISTG Vol 1 - Ship Hull
Report or Manifest of all the Passengers on board the Ship Hull whereof Nathan Crowell is Master, from Bordeaux, burthen of 295 ??/??
The ship logo, which is still used in part, was designed and contributed by Pat Walker and Sheila Tate.
The ship logo and other genealogical graphics are available on tee shirts, mousepads and tote bags from: AncesTees.
www.immigrantships.net /1800/hull18320305.html   (389 words)

  
 NDM Article - Novel Ship Hull Forms Still a ‘Tough Sell’
Naval engineers, said Cohen, “are struck by the fact that ships have been built the same way since the [age of the] caveman—they have a frame, stringers and skin.” The only difference, he said, is that cavemen used animal skin and today, shipbuilders use steel.
The waves swirl beneath the primary hull of the ship.
The 50-knot ship, said Harris, “could be a modification of Slice, but we are not going to limit ourselves to that.
www.nationaldefensemagazine.org /issues/2001/Jul/Novel_Ship.htm   (1990 words)

  
 Maritime Arts and Research - Half Hull & Ship Models
were vital to the construction of the hull.
Half Hulls of famous historical ships have been reproduced.
This site is powered by e107, which is released under the terms of the GNU GPL License.
www.halfhullshipmodels.com /hh_main.php   (507 words)

  
 Digital Norseman: BCVSP Viking Ship Hull Pictures
Scarfing is as old as boat building itself and is used in clinker, lapstrake, carvel and strip planked hulls.
A trenail is locked in place by driving in a wedge on the inside of the hull and then trimming off flush both inside and out.
We started the hull planking when the keelson had been bolted to the keel and the stations molds (i.e., temporary frames) had been put in position.
www.digitalnorseman.com /bcvsp/hull.html   (2509 words)

  
 [No title]   (Site not responding. Last check: )
In order for the robot to successfully inspect a ship, we need to ensure that the robot inspects all of the ship hull's surface.
The software for ship hull inspection takes as input a model of a ship hull, and produces a set of waypoints for the robot to follow.
Ship hull inspection results: we have outputs at each step for various models.
www.andrew.cmu.edu /user/jrollo/ship_hull_inspection   (188 words)

  
 Military.com Content
Leaving the ship as a first lieutenant in 1802, he received his first command in 1803 and distinguished himself in the Barbary Wars.
Hull paid a great deal of attention to his ship.
The flag of the British ship was struck in surrender, and its frame so crippled that prisoners had to be transferred and the ship burnt.
www.military.com /Content/MoreContent?file=ML_ihull_bkp   (472 words)

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