Selene 38 Aft-Cabin
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& Marine Engineering
REFERENCE ROOM Naval Architecture & Marine Engineering ft* University of Michigan Ann Arbgr, M g109 THE UNIVERSITY OF MICHIGAN COLLEGE OF ENGINEERING Department of Naval Architecture and Marine Engineering DESIGN CONSIDERATIONS AND THE RESISTANCE OF LARGE, TOWED, SEAGOING BARGES J. L. Moss Corning Townsend III Submitted to the SOCIETY OF NAVAL ARCHITECTS AND MARINE ENGINEERS Under p. O. No. 360 September 15, 1967 In the last decade, -ocean-going unmanned barges have become an increasingly important segment of our merchant marine. These vessels, commonly over 400 feet long, and sometimes lifting in excess of 15,000 L.T. dead weight, are usually towed on a long hawser behind a tugboat. Because the barges are inherently directionally unstable, twin out- board skegs are attached to achieve good tracking. Model tests are conducted in order to determine towline resistance and the proper skeg position which renders the barge stable. Skegs, vertical appendages similar to rudders, are placed port and starboard on the rake. They create lift and drag, and move the center of lateral pressure aft, thus tending to stabilize a barge towed on a long line. At The University of Michigan many such model experiments have been conducted within the past several years. Since these tests have been carried out for various industrial con- cerns and on specific designs, systematic variations of parameters or other means of specifically relating the results have not been possible in most cases. Nevertheless, on the basis of the results of these largely unrelated tests, recom- mendations can be made regarding good design practice and some specific aspects can be demonstrated. -
Boat Compendium for Aquatic Nuisance Species (ANS) Inspectors
COLORADO PARKS & WILDLIFE Boat Compendium for Aquatic Nuisance Species (ANS) Inspectors COLORADO PARKS & WILDLIFE • 6060 Broadway • Denver, CO 80216 (303) 291-7295 • (303) 297-1192 • www.parks.state.co.us • www.wildlife.state.co.us The purpose of this compendium is to provide guidance to certified boat inspectors and decontaminators on various watercraft often used for recreational boating in Colorado. This book is not inclusive of all boats that inspectors may encounter, but provides detailed information for the majority of watercraft brands and different boat types. Included are the make and models along with the general anatomy of the watercraft, to ensure a successful inspection and/or decontamination to prevent the spread of harmful aquatic nuisance species (ANS). Note: We do not endorse any products or brands pictured or mentioned in this manual. Cover Photo Contest Winner: Cindi Frank, Colorado Parks and Wildlife Crew Leader Granby Reservoir, Shadow Mountain Reservoir and Grand Lake Cover Photo Contest 2nd Place Winner (Photo on Back Cover): Douglas McMillin, BDM Photography Aspen Yacht Club at Ruedi Reservoir Table of Contents Boat Terminology . 2 Marine Propulsion Systems . 6 Alumacraft . 10 Bayliner . 12 Chris-Craft . 15 Fisher . 16 Four Winns . 17 Glastron . 18 Grenada Ballast Tank Sailboats . 19 Hobie Cat . 20 Jetcraft . 21 Kenner . 22 Lund . 23 MacGregor Sailboats . 26 Malibu . 27 MasterCraft . 28 Maxum . 30 Pontoon . 32 Personal Watercraft (PWC) . 34 Ranger . 35 Tracker . 36 Trophy Sportfishing . 37 Wakeboard Ballast Tanks and Bags . 39 Acknowledgements . Inside back cover Boat Compendium for Aquatic Nuisance Species (ANS) Inspectors 1 Boat Terminology aft—In naval terminology, means towards the stern (rear) bow—A nautical term that refers to the forward part of of the boat. -
Rapier 550 - Standard Specification
Page 1 of 11 Rapier 550 - Standard Specification Construction The structure of the Rapier 550 is of a modern lightweight construction using the using the latest resin infusion processes and combines high strength Epoxy resin systems throughout the entire structure with a combination of E glass, Kevlar and carbon laminate stiffened by PVC cores to produce an exceptionally strong and light structure optimised for performance sailing. The hull has an exterior gel coat finish with vinylester skin and choice of colours. Everything is female moulded in hi-quality production tooling. The deck and superstructure has an integrally moulded anti-slip surface in places where needed – especially in all areas where crew or guests walk or require access to operate the vessel. The Broadblue Rapier 550 is virtually unsinkable due to its watertight bulkheads, cored construction and buoyancy compartments fore and aft in each hull. Each compartment is separate and sealed off to control water ingress if damaged. All internal textures are a combination of painted, light weight linings, timber and textile trims. The skeg keels of the R550 are separately moulded and bonded to the hull structure, maintaining the integrity of the hull even if the keels are damaged or detached. Other keel options are also available, including low aspect ratio fixed keels, dagger boards and steerable canards. Outside Deck areas Side decks are moulded with non-slip integral to the construction (aft sections can have optional teak/teak-alike surface). All windows to saloon and coach-roof are constructed from appropriate thickness toughened glass. Clear toughened glass on all windows forward of the mast, tinted and heat rejecting glass for roof lights and side and rear windows to aft saloon area. -
A Review of Best Available Technology in Tanker Escort Tugs
A Review of Best Available Technology in Tanker Escort Tugs A Presentation to the Board of Directors Prince William Sound Regional Citizens’ Advisory Council Sept. 19, 2013 Outline • Terms of Reference • Some Historic Context • Escort Tug Inventory • Escort Tug Performance • Vessel Performance Assessment • Gap Analysis – BAT • Summary Terms of Reference • Compile Present Vessel Inventory • SERVS Fleet • RoW Fleet • Various tug types • Analysis of Vessel Performance • Basic performance parameters for escorting • Indirect performance predictions • Best Available Technology Gap Analysis • RoW vs. SERVS • Draft Final Report • Final Report What IS an Escort Tug??? • What makes it different from other tugs? • What creates the performance differences? • What does an “Escort Tug” Rating by Class mean? To be defined by Class as an “Escort Tug”… • The hull of the tug shall be designed to provide adequate hydrodynamic lift and drag forces when in indirect towing mode. Due attention shall be paid to the balance between hydrodynamic forces, towline pull and propulsion forces • The towing winch shall have a load reducing system in order to prevent overload caused by dynamic oscillation in the towing line, and • The propulsors shall be able to provide ample thrust for manoeuvring at higher speeds for tug being in any oblique angular position • The vessel shall be designed so that forces are in equilibrium with a minimum use of propulsive force except for providing forward thrust and balancing transverse forces during escorting service • In case of loss of propulsion, the remaining forces shall be so balanced that the resulting turning moment will turn [yaw] the escort tug to a safer position with reduced heel Therefore, an “Escort Tug” must have… 1. -
![Sorted by "Item" [Fancy Free] Inventory Listing - Sail](https://docslib.b-cdn.net/cover/8325/sorted-by-item-fancy-free-inventory-listing-sail-1008325.webp)
Sorted by "Item" [Fancy Free] Inventory Listing - Sail
Sorted by "Item" [Fancy Free] Inventory Listing - Sail Item Location Anchor, Primary, Delta 45, 160' chain 100' Rode Anchor Locker, Bow Anchor, Secondary, Danforth 40 Starboard Side of Anchor Locker Anchor, Secondary, Danforth 40 rode Port, Aft Lazarette Anchor, snubber line or bridle Anchor Locker, Bow Batteries, spare flashlight (2) Nav Table BBQ Cover Black BBQ, store in x locker when BBQ in use BBQ, Magma Catalina Grill Stern Rail, Port Bilge Pump, Manual, Handle Aft, Port Propane Locker Binoculars, West marine blue Salon, Port, Forward Shelf Boat Hook Port, Aft Lazarette Chart No.1, Symbols, Abbreviations, and Terms Salon, Port Shelf Chart, Maptech Chartbook, San Juan Islands Salon, Poer Shelf Chart, Roll #18421 San Juan Islands Salon, Port Shelf, In Tube Chart, Roll, # 3441, 3442 & 3443 Gulf Islands Salon, Port Shelf, In Tube Cockpit Cushions (2) Stateroom, Aft Starboard when not in use Compass, Handheld Nav Table Coolant, Engine Salon, Forward Settee Storage Crab Cooking Pot V-berth, Starboard Closet Crab Pot with Line & Float Starboard, Aft Lazarette Cruising Guide, Gulf Islands, Dreamspeaker Salon, Port Shelf Cruising Guide, San Juan Islands, Boater's Guidebook Salon, Port Shelf Cruising Guide, Wagonners Salon, Port Shelf Current Atlas & Tables Salon, Port Shelf Cushions, cockpit Stateroom, aft, starboard Cushions, Shorter Posts, dinette table berth conversion Cushion- V-berth, Starboard shelf Deck Fill Cap Wrench (Tool) Nav Table Dinghy, 12' Azzurro Mare inflatable boat; AM365 Dockside, At the Head, Cleated to Dock Dinghy, Foot -
A Primer on Sailing the Lido 14 Down Wind
A Primer on Sailing the Lido 14 Downwind by John Papadopoulos A search of most any sailing library will turn up volumes on quickly compare the angle of the wind with the angle of the how to sail well upwind and perhaps similar amounts of on how main sail so that sail trimming changes can be done to sail downwind with a spinnaker. You probably won’t find any quickly and accurately. There is a long-standing joke in information about sailing dead downwind with a main sail and a the Lido14 class about not needing a mast head wind jib on a whisker pole. This article is intended to fill that gap. indicator because one can simply use the indicator of a nearby boat. In fact looking at the wind indicators on First take a simple test. nearby boats can be useful, especially in trying to judge if you are in the bad are of a boat behind you though you Ask yourself where your team spends most its time looking have to know that a wind indicator shows apparent wind when sailing dead downwind. direction and dirty air travels along the direction of the true wind. However depending on the indicators of other Many Lido 14 racers simply sail dead downwind sailing to the boats is simply ignoring the fact that you need you own wind they find themselves at that moment. It has often been steady answer without having to look around. Some observed that when a known “fast” Lido 14 team passes a sailors are able to use tell tales on the shrouds as wind bunch of such boats, many of those being passed don’t react direction indicators however they are generally harder to at all or only react defensively by initiating a luffing maneuver read. -
Stephens Forward Pilothouse M/Y – CHINTA MANIS
Stephens Forward Pilothouse M/Y – CHINTA MANIS Make: Stephens Boat Name: CHINTA Model: Forward Pilothouse M/Y MANIS Length: 86 ft Hull Material: Aluminum Price: $ 490,000 Draft: 6 ft 8 in Year: 1975 Number of Engines: 2 Location: Falmouth, MA, United Fuel Type: Diesel States Wellington Yacht Partners One Maritime Drive, Portsmouth, RI 02871, United States Tel: 401-307-4836 Fax: (401) 683-6075 [email protected] http://www.yachtworld.com/wellington CHINTA MANIS Heavily constructed to extremely high standards by Stephens Marine of Stockton, California, CHINTA MANIS is a true oceangoing motor yacht with many of the attributes of a small ship. With a 4,000 mile range, she has crossed the Atlantic twice and the Pacific once and has cruised the Mediterranean, Caribbean, Bahamas, Alaska, French Polynesia, Fiji and New Caledonia. Her stately lines and seagoing appearance stand out in any port she visits. CHINTA MANIS’s layout features spacious accommodations for owners, guests and crew. There are also exceptional spaces on the aft deck, the sun deck and in the salon and pilothouse for group gatherings. Anyone seeking a well-maintained, long-range motor yacht of unique character would be well advised to have a look at CHINTA MANIS. Measurements Cruising Speed: 10 kn Displacement: 168000 Max Speed: 14 kn lb LOA: 86 ft Windlass: Electric Windlass Length on Deck: 86 ft Fuel Tanks Capacity: 6200 Beam: 20 ft 6 in gal Min. Draft: 6 ft 8 in Fresh Water Tanks Capacity: 1000 Max Draft: 6 ft 8 in gal Holding Tank Capacity: 3000 gal Number of single -
Glossary of Terms
Glossary of Terms Below are new words for our Glossary of Terms based on AB Barlow’s activities the last couple of weeks. To see all the terms from AB Barlow’s past activities, please scroll down. Battle of Cape St. Vincent – one of the first battles of the Anglo-Spanish War (1796-1808). The battle was a decisive English victory and saw four Spanish ships of the line captured by the British; two by Horatio Nelson Battle of Flamborough Head – a battle fought during the American War of Independence during which Captain John Paul Jones captured the British frigate Serapis even as his own ship, Bonhomme Richard, sank out from under him Boarding – the act of sending sailors or soldiers from one’s own ship to an enemy ship for the purpose of capturing the other vessel. In modern context, boarding can also occur for more peaceful purposes such as a safety or customs inspection Brig – a ship with two masts, both carrying square sails. Also, a jail located on board a ship Cutting Out – the act of attacking a ship from small boats filled with sailors or marines. Often used as a surprise tactic Fighting Top – a platform part way up a ship’s mast used as a firing position by sharpshooters during a naval engagement First-Rate – the largest warships in the now-obsolete Royal Navy ranking system. Generally, first-rates mounted around 100 carriage guns Frigate – a small, fast warship; usually built for maneuverability and speed over firepower Gangway – traditionally, a narrow passage connecting a ship’s quarterdeck and forecastle. -
Calculation of the Dynamic Characteristics of Ship's
POLISH MARITIME RESEARCH 1 (105) 2020 Vol. 27; pp. 107-115 10.2478/pomr-2020-0011 CALCULATION OF THE DYNAMIC CHARACTERISTICS OF SHIP’S AFT STERN TUBE BEARING CONSIDERING JOURNAL DEFLECTION Hongjun Yang Shanghai Merchant Ship Design & Research Institute, China Jun Li Shanghai Merchant Ship Design & Research Institute, China Xiaolong Li Nantong COSCO KHI Ship Engineering Co.,Ltd., China ABSTRACT Dynamic properties are vital for the working reliability of aft stern tube bearings. However, the determination of such properties currently involves several simplifications and assumptions. To obtain its dynamic characteristics accurately, the aft stern tube bearing was divided into several bearing segments. The oil film reaction force was considered in the calculation of shaft alignment, and the journal deflection and actual oil film thickness were obtained accordingly. Subsequently, the perturbed Reynolds equation was solved using the finite difference method when the dynamic characteristics of journal bearings with finite width were evaluated. Then, a calculation program was developed and verified by comparing with the results of other studies. Finally, the dynamic characteristics were calculated under different revolutions. The results showed that the stiffness at the vertical direction of the aft stern tube bearing was several times that of the horizontal direction and varied with the revolutions of the shafting system. These findings can provide the foundation for the precise calculation of the journal trajectory under dynamic conditions, as well as for the evaluation of the oil film thickness. Moreover, the results led to favorable conditions for the accurate calculation of the shafting whirling vibration. Keywords: journal deflection, aft stern tube bearing, dynamic characteristic. -
Tall Ships® 101
August 10, 2005 IMMEDIATE RELEASE Contact: Sheila Gonzales (310) 732-3506 TALL SHIPS® 101 Stats and facts about the international tall ships participating in TallShips®LA, August 11-14 SAN PEDRO, Calif. – Be informed for TallShips®LA, August 11-14. With historical knowledge, vessel stats and fun facts, you will be able to recognize the tall ships, identify their key features and tout a little trivia! Fifteen international tall ships are scheduled to participate in the TallShips®LA, maritime event. Visiting ships include the Argus, Bill of Rights, Californian, Mexico’s Cuauhtémoc, Exy Johnson, Antigua’s Kaisei, Lynx, R. Tucker Thompson of New Zealand, Pilgrim, Robert C. Seamans, Royaliste, Spirit of Dana Point, Swift of Ipswich, Talofa and Tole Mour. For most people, a tall ship is a sailing vessel with three or more masts and many sails, as seen in the bygone era of the Errol Flynn movies. A tall ship, by definition, is a sailing vessel whose masts are in segments, made up of several timbers in order to give strength, and to make each mast more manageable for partial removal and repairs. The nostalgic definition is more commonly used when referring to any sailing vessel that provides sail training and participates in events such as tall ship races. For classification and race settings, the International Sail Training Association divides tall ships into three classes and several sub classes according to the vessels, sparred length and rig. A rig is the configuration, shape and number of the spars, poles, and sails. For further clarification, sailing rigs are divided into two broad categories determined by the fore and aft rig in which triangular shaped sails lie along the same direction as -more- TALL SHIPS 101 2-2-2 the ship's length, or the square rig which has squared or rectangular shaped sails attached to poles, which are perpendicular to (or go across) the vertical mast. -
Glossary of Terms (List Will Be Updated on a Continual Basis)
Glossary of Terms (list will be updated on a continual basis) The words below are new to our Glossary of Terms. These words will be integrated into our overall list, which is below the new words. Chafing Gear – pads, mats, ropes and other materials tied around pieces of rigging to protect them from rubbing on spars and other parts of the rig Foxes – pieces of scrap line made by twisting together several strands or yarns Hand, Reef & Steer – traditional qualifications of an able seaman, to hand is to take in or furl a sail and to reef is to shorten sail and to steer is to take a turn at the helm Helmsman – the Sailor stationed at the ship’s helm (wheel) in charge of steering and keeping a straight course Marline – light, two-stranded line; often tarred and used for seizings Marlinespike – a tapered metal spike used to separate strands of rope, untie knots and as a handle for hauling away on seizings, whippings, etc. Merchant Service – the industry concerned with commercial shipping ventures (i.e., non-military) Rating – denotes a Sailor’s rank, responsibilities and rate of pay (i.e., able seaman, ordinary seaman, boy, etc.) Rigging – the lines and ropes that hold the masts, spars and sails Sail Making – the work of mending, replacing and sewing sails; the sail maker would often advise on how best to set and trim sails Seizing – method of binding two ropes or objects together involving wrapping them tightly with line Splice – weaving together to strands of separate ropes to form one longer rope Watches – division of labor aboard ship; the -
True Wind Angle
User’s Guide by TrueWind David Burch About TrueWind...................................................................2 How to use TrueWind...........................................................3 Definitions Wind direction............................................................4 Apparent wind............................................................4 Apparent wind angle..................................................4 Apparent wind speed.................................................. 5 True wind angle.......................................................... 5 True wind speed ......................................................... 5 Speed .......................................................................... 6 Heading ...................................................................... 6 Discussion Telltales ...................................................................... 7 Electronic wind instruments....................................... 7 True wind versus apparent wind ................................ 8 Tips, tricks, and special cases .................................... 8 How to find true wind Reading the water....................................................... 9 Formulas and diagrams .............................................. 10 Graphical method ....................................................... 12 2 Starpath TrueWind INDEX About Starpath TrueWind Starpath TrueWind is a Windows program designed to compute very conveniently true wind from apparent wind for use in maneuvering and weather analysis.