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Steering and Stabilisation Set a Course for Optimum Reliability and Performance
Marine Steering and stabilisation Set a course for optimum reliability and performance 1 Systems that keep vessels safely on course and comfortable in all conditions Since pioneering electro-hydraulic steering gear nearly a century ago, we continue to develop new systems for vessels ranging from large tankers to super yachts. Customers benefit from the world leading hydrodynamics expertise and the design resources of the Rolls-Royce rudder, steering gear, stabilisation and propulsion specialists, who cooperate to address and handle challenging projects and deliver system solutions. This minimises technical risk as well as maximising vessel performance. move Contents: Steering gear page 4 Promas page 10 Rudders page 12 Stabilisers page 18 Customer support page 22 movemake the right Steering gear Rotary vane steering gear for smaller vessels The SR series is designed with integrated frequency controlled pumps. General description Rolls-Royce supplies a complete range of steering gear, suitable for selection, alarm panels and rudder angle indicators or just a portion all types and sizes of ships. The products are designed as complete of this. The system is also prepared for interface to VDR, ships main steering systems with the actuator, power pack, steering control, alarm system, autopilot, joystick and DP when requested. Due to a alarm and rudder angle indicating system in mind, and can wide range of demands, great care has been taken from material therefore be delivered with complete control systems, including selection through construction, -
Coast Guard, DHS § 164.33
Coast Guard, DHS § 164.33 the United States unless no more than on a regular basis at least once every 12 hours before entering or getting un- three months. This drill must include derway, the following equipment has at a minimum the following: been tested: (1) Operation of the main steering (1) Primary and secondary steering gear from within the steering gear gear. The test procedure includes a vis- compartment. ual inspection of the steering gear and (2) Operation of the means of commu- its connecting linkage, and, where ap- nications between the navigating plicable, the operation of the following: bridge and the steering compartment. (i) Each remote steering gear control (3) Operation of the alternative power system. supply for the steering gear if the ves- (ii) Each steering position located on sel is so equipped. the navigating bridge. (92 Stat. 1471 (33 U.S.C. 1221 et seq.); 49 CFR (iii) The main steering gear from the 1.46(n)(4)) alternative power supply, if installed. (iv) Each rudder angle indicator in [CGD 77–183, 45 FR 18925, Mar. 24, 1980, as relation to the actual position of the amended by CGD 83–004, 49 FR 43466, Oct. 29, 1984] rudder. (v) Each remote steering gear control § 164.30 Charts, publications, and system power failure alarm. equipment: General. (vi) Each remote steering gear power No person may operate or cause the unit failure alarm. operation of a vessel unless the vessel (vii) The full movement of the rudder has the marine charts, publications, to the required capabilities of the and equipment as required by §§ 164.33 steering gear. -
Boat Handling
Canadian Coast Guard Auxiliary Search & Rescue Crew Manual BOAT 6 HANDLING The skills involved in handling a vessel are learned over time and come with practice. A new boat handler will fair better if they un- derstand and can apply some of the princi- ples and basic tools outlined in this chapter. “The difference between a rough docking and a smooth easy docking is around 900 attempts.” BOAT HANDLING CONTENTS 6.0 Introduction . .101 6.1 Helm Position . .101 6.2 Forces on Your Vessel . .103 6.2.1 Winds . .103 6.2.2 Waves . .103 6.2.3 Current . .104 6.2.4 Combined natural forces . .104 6.3 Vessel Characteristics . .104 6.3.1 Displacement Hulls . .104 6.3.2 Planing Hulls . .105 6.4 Propulsion and Steering . .107 6.4.1 Pivot Point . .108 6.4.2 Trim . .108 6.5 Propellers . .109 6.5.1 Parts of a Propeller . .109 6.6 Basic Manoeuvres . .110 6.7 Manoeuvring . .110 6.7.1 Directed Thrust . .110 6.7.2 Twin Engine Directed Thrust . .110 6.7.3 Waterjets . .112 6.7.4 Non-Directed Thrust and Rudder Deflection . .112 6.8 Getting Underway . .113 6.9 Approaching the Dock . .113 6.10 Station Keeping . .114 100 Canadian Coast Guard Auxiliary Search & Rescue Crew Manual Excerpts taken from the book “High Seas High Risk” Written by Pat Wastel Norris 1999 (The Sudbury II was a legendary offshore salvage tug that had taken a large oil drilling platform in tow during the summer of 1961. This drama occurred in the Caribbean as Hurricane Hattie approached.) The Offshore 55, a towering oil rig, was at that time the largest rig in the world. -
United States National Museum
SMITHSONIAN INSTITUTION UNITED STATES NATIONAL MUSEUM BULLETIN 2 30 WASHINGTON, D.C. 1964 MUSEUM OF HISTORY AND TECHNOLOGY The Bark Canoes and Skin Boats of North America Edwin Tappan Adney and Howard I. Chapelle Curator of Transportation SMITHSONIAN INSTITUTION, WASHINGTON, D.C. 1964 — Publications of the United States National Aiuseum The scholarly and scientific publications of the United States National Museum include two series, Proceedings of the United States National Museum and United States National Museum Bulletin. In these series the Museum publishes original articles and monographs dealing with the collections and work of its constituent museums—The Museum of Natural History and the Museum of History and Technology setting forth newly acquired facts in the fields of Anthropology, Biology, History, Geology, and Technology. Copies of each publication are distributed to libraries, to cultural and scientific organizations, and to specialists and others interested in the different subjects. The Proceedings, begun in 1878, are intended for the publication, in separate form, of shorter papers from the Museum of Natural History. These are gathered in volumes, octavo in size, with the publication date of each paper recorded in the table of contents of the volume. In the Bulletin series, the first of which was issued in 1875, appear longer, separate publications consisting of monographs (occasionally in several parts) and volumes in which are collected works on related subjects. Bulletins are either octavo or quarto in size, depending on the needs of the presentation. Since 1902 papers relating to the botanical collections of the Museum of Natural History have been published in the Bulletin series under the heading Contributions Jrom the United States National Herbarium, and since 1959, in Bulletins titled "Contributions from the Museum of History and Technology," have been gathered shorter papers relating to the collections and research of that Museum. -
Skilful Vessel Handling
Skilful Vessel Handling Capt. Øystein Johnsen MNI Buskerud and Vestfold University College March 2014 Manoeuvring of vessels that are held back by an external force This consideration is written in belated wisdom according to the accident of Bourbon Dolphin in April 2007 When manoeuvring a vessel that are held back by an external force and makes little or no speed through the water, the propulsion propellers run up to the maximum, and the highest sideways force might be required against wind, waves and current. The vessel is held back by 1 800 meters of chain and wire, weight of 300 tons. 35 knops wind from SW, waves about 6 meter and 3 knops current heading NE has taken her 840 meters to the east (stb), out of the required line of bearing for the anchor. Bourbon Dolphin running her last anchor. The picture is taken 37 minutes before capsizing. The slip streams tells us that all thrusters are in use and the rudders are set to port. (Photo: Sean Dickson) 2 Lack of form stability I Emil Aall Dahle It is Aall Dahle’s opinion that the whole fleet of AHT/AHTS’s is a misconstruction because the vessels are based on the concept of a supplyship (PSV). The wide open after deck makes the vessels very vulnerable when tilted. When an ordinary vessel are listing an increasingly amount of volume of air filled hull is forced down into the water and create buoyancy – an up righting (rectification) force which counteract the list. Aall Dahle has a doctorate in marine hydrodynamics, has been senior principle engineer in NMD and DNV. -
Nautical Education for Offshore Cxtractivc
Lso-B-7i-ooz NAUTICALEDUCATION FOR OFFSHORE CXTRACTIVC INDUSTRIES RV G-H.HOFFMANN WITH FREDTOWNSEND AND WARREN NORVILLE 5' GRAHT PUI3I.ICATIOHHO. LSU-II-77-OL C6NTCRfOR WETLAND RESOURCES ~ LOUISIANA STATC UNIVf RSIEY ~ BATON ROUCIC, LOUISIANA 7000 NAUTICAL EDUCATION FOR THE V~M$pQog767 QoM G. H. Ho f fmann with Fred Townsend and Warren Norville LOUISIANA STATE UNIVERSITY CENTER FOR WETLAND RESOURCES BATON ROUGE, LA 70803 Sea Grant Publication No. LSU-8-77-001 September 1977 This work is a result of research sponsored jointly by the Terrebonne Parish School Board and the Louisiana Sea Grant Program, a part of the National Sea Grant Program maintained by the National Oceanic and Atmospheric Administration of the U.S. Department of Commerce. CONTENTS List of Figures List of Tables Vi Acknowledgments Beginnings of the Oil Industry 1 2 The Offshore Revolution Drilling a Wildcat Well The Petr omar ine Fleet 46 6 4.1 Tankers 4.2 Seagoing Tank Barges and Tugs ll 4.3 Inland Tank Barges and Towboats 13 4.4 Inland Drilling Barges 16 4.5 Offshore Drilling Tenders 16 4.6 Submersible Drilling Vessels 17 4.7 3ack-up DrilIing Barges 18 4.8 Semi-Submersible Drilling Vessels 19 4.9 Drill Ships 20 4.10 Crewboats 27 4.11 Supply vessels 28 4.12 Tugs 30 4.13 Derrick Barges 31 4.I4 Pipelaying Barges 31 4.15 Air Cushion Vehicles ACV! 37 Producing Oil and Gas 37 Design Procedures 44 6.1 Owner Requirements 44 6.2 Design Drawings and Specifications 45 6.3 Regulatory Agencies 49 6.4 Design Calculations 54 6.5 The Measurements of a Ship 60 6.6 Free Surface 68 6.7 Model Testing 69 Construction Procedure 70 7.1 Estimating 70 7.2 Working Plans 72 7.3 Production 74 7.4 Inspection 76 7.5 Trials and Tests 78 Delivery 80 Stability and Trim 82 9.1 Stability 82 9.2 Transverse Metacenter 86 9.3 Calculating GM 87 9.4 KM and KG 88 9. -
Cornshuckers and San
INFORMATION TO USERS This reproduction was made from a copy of a document sent to us for microfilming. While the most advanced technology has been used to photograph and reproduce this document, the quality of the reproduction is heavily dependent upon the quality of the material submitted. The following explanation of techniques is provided to help clarify markings or notations which may appear on this reproduction. 1.The sign or “target” for pages apparently lacking from the document photographed is “Missing Page(s)”. If it was possible to obtain the missing page(s) or section, they are spliced into the film along with adjacent pages. This may have necessitated cutting through an image and duplicating adjacent pages to assure complete continuity. 2. When an image on the film is obliterated with a round black mark, it is an indication of either blurred copy because of movement during exposure, duplicate copy, or copyrighted materials that should not have been filmed. For blurred pages, a good image of the page can be found in the adjacent frame. If copyrighted materials were deleted, a target note will appear listing the pages in the adjacent frame. 3. When a map, drawing or chart, etc., is part of the material being photographed, a definite method of “sectioning” the material has been followed. It is customary to begin filming at the upper left hand comer of a large sheet and to continue from left to right in equal sections with small overlaps. If necessary, sectioning is continued again—beginning below the first row and continuing on until complete. -
Marine Investigation Report M90L3034
Transportation Safety Board Bureau de la sécurité des transports of Canada du Canada MARINE OCCURRENCE REPORT SINKING OF THE FISHING VESSEL “NADINE” GULF OF ST. LAWRENCE 16 DECEMBER 1990 REPORT NUMBER M9 0 L3 0 3 4 The Transportation Safety Board of Canada (TSB) investigated this occurrence for the purpose of advancing transportation safety. It is not the function of the Board to assign fault or determine civil or criminal liability. Marine Occurrence Report Sinking of the Fishing Vessel "NADINE" Gulf of St. Lawrence 16 December 1990 Report Number M90L3034 Synopsis On 16 December 1990, while returning in heavy weather from fishing grounds in the Gulf of St. Lawrence, the "NADINE", a 37-metre fishing vessel, listed to port and sank by the stern. A search and rescue operation was immediately undertaken to locate the ten people aboard. Two crew members were rescued and the bodies of six victims were recovered. Two crew members are still missing. The Board determined that the "NADINE" sank because the openings on the afterdeck and in the transverse bulkheads were not secured. Water was thus able to enter the vessel and eventually flood the lazaret, the fish holds and the engine-room. This ingress gradually reduced the vessel's stability until all reserve buoyancy was lost and the vessel sank. Poor weather, darkness, lack of training and the suddenness of the sinking hindered the abandonment and contributed to the loss of life. 08 April 1994 Ce rapport est également disponible en français. TABLE OF CONTENTS Table of Contents Page 1.0 Factual Information ................................................... 1 1.1 Particulars of the Vessel .......................................... -
Course Objectives Chapter 2 2. Hull Form and Geometry
COURSE OBJECTIVES CHAPTER 2 2. HULL FORM AND GEOMETRY 1. Be familiar with ship classifications 2. Explain the difference between aerostatic, hydrostatic, and hydrodynamic support 3. Be familiar with the following types of marine vehicles: displacement ships, catamarans, planing vessels, hydrofoil, hovercraft, SWATH, and submarines 4. Learn Archimedes’ Principle in qualitative and mathematical form 5. Calculate problems using Archimedes’ Principle 6. Read, interpret, and relate the Body Plan, Half-Breadth Plan, and Sheer Plan and identify the lines for each plan 7. Relate the information in a ship's lines plan to a Table of Offsets 8. Be familiar with the following hull form terminology: a. After Perpendicular (AP), Forward Perpendiculars (FP), and midships, b. Length Between Perpendiculars (LPP or LBP) and Length Overall (LOA) c. Keel (K), Depth (D), Draft (T), Mean Draft (Tm), Freeboard and Beam (B) d. Flare, Tumble home and Camber e. Centerline, Baseline and Offset 9. Define and compare the relationship between “centroid” and “center of mass” 10. State the significance and physical location of the center of buoyancy (B) and center of flotation (F); locate these points using LCB, VCB, TCB, TCF, and LCF st 11. Use Simpson’s 1 Rule to calculate the following (given a Table of Offsets): a. Waterplane Area (Awp or WPA) b. Sectional Area (Asect) c. Submerged Volume (∇S) d. Longitudinal Center of Flotation (LCF) 12. Read and use a ship's Curves of Form to find hydrostatic properties and be knowledgeable about each of the properties on the Curves of Form 13. Calculate trim given Taft and Tfwd and understand its physical meaning i 2.1 Introduction to Ships and Naval Engineering Ships are the single most expensive product a nation produces for defense, commerce, research, or nearly any other function. -
Boat Hull Hydrodynamics
Part I Boat Hull Hydrodynamics Introduction and Background Planing craft, particularly in the extensive worldwide boating industry, are the vastly dominant water craft type. “Planing” of a water craft occurs on accelerating to a sufficiently high speed. When such speed is initiated from rest in calm water, the hull bow angle is forced to increase upward, thereby increasing the angle of incidence of the boat bottom relative to the water surface. This incidence angle, interacting with the increasing boat speed, produces increased dynamic pressure on the boat bottom, which lifts the boat progressively further upward in elevation toward the level of the water surface. There is normally some overshoot: on reaching the level of the surface. The trim angle then decreases back toward equilibrium, with perhaps some oscillation, as the boat settles-in to steady planing on the calm water surface. Decisions required in the rational design of planing craft, particularly with regard to two aspects, are particularly difficult to conclude with precision: these aspects are planing speed and seaway motions (slamming). High speed and low seaway dynamics are the primary attributes sought in any new planing craft design undertaking, but they are conflicting. The characteristic most needed for low resistance, and consequently, high speed, is the weight located aft toward the stern of the boat. But weight aft tends to result in high impact acceleration when traversing waves. Further, weight aft can lead to “porpoising” instability, which is an oscillatory pitch motion in calm water accompanied by slamming oscillation. Conversely, weight forward results in reduced bow impact acceleration in waves, but also gives a long waterline, imposing higher resistance, and therefore reduced speed. -
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 -
RS Tera and Thank You for Choosing an RS Product
Rigging Manual V1 PLEASE FOLLOW RIGGING MANUAL IN THE CORRECT ORDER Contents 1. Introduction......................................................... 1 2. Technical data.................................................... 2 3. Commissioning................................................. 3 - 20 3.1 - Preparation.............................................................. 4 3.2 - Unpacking................................................................ 4 3.3 - Pack contents.......................................................... 4 - 5 3.4 - Adding the toestraps ................................................ 6 - 7 3.5 - Adding the toestrap elastic ...................................... 7 3.6 - Adding the rope handles .......................................... 8 3.7 - Adding the rear strop ............................................... 9 3.8 - Adding the bung ....................................................... 9 3.9 - Adding the righting lines .......................................... 10 3.10 - Adding ther painter ................................................ 10 3.11 - Rigging the mast .................................................... 11 - 12 3.12 - Stepping the mast .................................................. 12 3.13 - Rigging the boom ................................................... 13 - 17 3.14 - Rudder and daggerboard ...................................... 18 - 20 4. Sailing hints........................................................... 21 - 26 4.1 - Introduction..............................................................