Here It Just Grazes 26, SUILVEN II, I'm Feeling a Iittle Fraz- Unfurl in a Force 1O
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On the Great Trimaran-Catamaran Debate
On the Great Trimaran-Catamaran Debate Lawrence J. Doctors, Member, School of MechanicnJ and Manufacturing Engineering, The University of New South Wales, Sydney, NSW 2052, Australia Abdmct In the cumwtt work, a aydewaatic investigation into a variety of monohulls and mul- tihulls is carried out with an emphasis on finding optimal forms. Vessels with up to six identical subhulls are taken into consideration and a large range of lengths is studied. hT- thermore, sidehuli trimaran configurations are included in the investigation. There are two main purposes to this investigation. Firstly, one is interested in mini- mizing the wave resistance, becawe this is closely related to the wave generation and is of critical importance to the operation of river ferries. Secondly, it is also important to min- imize the total resistance, in order to reduce fuei costs and to permit long-range trips for ocean-going vessels. The theoretical predictions show that increasing the length beyond that normally accepted is beneficial in reducing both the wave Resistance and often the total resistance. I. the goal is to minimize wave resistance and if the length is constrained, the calculations also demon- strate that trimarans are superior to catamarans, which are in turn superior to monohulls. On the other hand, if the goal is to minimize the total resistance, then all the muh!ihulis (~m catamarans to hezamarans) are inferior to monohulls, except possibly at low speeds which are not of interest in thw study. Similarly, sidehull trimarans are shown to be inferior to catamarans except perhaps if rather great lengths are permitted. -
Armed Sloop Welcome Crew Training Manual
HMAS WELCOME ARMED SLOOP WELCOME CREW TRAINING MANUAL Discovery Center ~ Great Lakes 13268 S. West Bayshore Drive Traverse City, Michigan 49684 231-946-2647 [email protected] (c) Maritime Heritage Alliance 2011 1 1770's WELCOME History of the 1770's British Armed Sloop, WELCOME About mid 1700’s John Askin came over from Ireland to fight for the British in the American Colonies during the French and Indian War (in Europe known as the Seven Years War). When the war ended he had an opportunity to go back to Ireland, but stayed here and set up his own business. He and a partner formed a trading company that eventually went bankrupt and Askin spent over 10 years paying off his debt. He then formed a new company called the Southwest Fur Trading Company; his territory was from Montreal on the east to Minnesota on the west including all of the Northern Great Lakes. He had three boats built: Welcome, Felicity and Archange. Welcome is believed to be the first vessel he had constructed for his fur trade. Felicity and Archange were named after his daughter and wife. The origin of Welcome’s name is not known. He had two wives, a European wife in Detroit and an Indian wife up in the Straits. His wife in Detroit knew about the Indian wife and had accepted this and in turn she also made sure that all the children of his Indian wife received schooling. Felicity married a man by the name of Brush (Brush Street in Detroit is named after him). -
SUN CAT DAYSAILER 2018.Xlsx
1195 Kapp Dr Clearwater, FL 33765 Phone (727) 443-4408 Fax (727) 443-1088 www.Com-PacYachts.com [email protected] Dear Com-Pac Yacht owners: The following is a list of frequently requested spare parts and model update parts for Com-Pac Yachts. These parts may be ordered from Hutchins Company by calling 727-443-4408, emailing [email protected] or faxing to 727-443-1088. We take MasterCard/Visa, or can ship UPS/COD . All orders will have shipping and handling charges added. We are pleased to handle custom and/or non-stock orders. There will be a 25% non- refundable fee for custom and/or non-stock orders. There will be a $25 returned check fee. Products returned solely due to the ordering errors by the customer may be charged a 10% re-stocking fee and will not be reimbursed for shipping costs. Remember, your boat may have been customized after leaving the factory. Hutchins Company can not be held responsible for any parts not fitting due to customizing. Please allow four to six weeks for delivery. Prices may have changed. Please call our office about any questions you have concerning your order or about any parts you do not see on the list. Thank you, Hutchins Company, Inc. COM-PAC YACHTS 1 SUN CAT DAYSAILER PARTS JULY 2018 Item Number Description Price IN00B0030 BILGE DISCHARGE ASSEMBLY $14.00 EA. IN00B0035 BOWEYE BLOCK $3.00 EA. IN00C0047 CENTERBOARD BLOCK SUN CAT $35.00 EA. IN00G0060 GALLOWS WOOD, ALL CATBOATS $162.00 EA. IN00G0080 GAS LOCKER DROP BOARDS, SUN CAT $147.00 EA. -
Parts Directory Boats
Parts Directory Boats 1-F18C Complete C2 Catamaran The Formula 18 class is without a doubt the biggest, most professional and fastest growing class in the world and we are proud to have the most advanced F18 on the market. The C2 is a no excuse racing machine… Includes: • Ultra stiff glass foam sandwich hull construction • Large anodized alloy beams with adjustable striker strap • Rear beam with integral traveller tack • Traveller car with swivelling traveller cleat OPTION: Center beam mounted cleat • Chicopee tramp OPTION: Colour (Grey / Black) OPTION: Toe Strap colour (Black / Red / Blue / Grey) • Complete hull fit out including decals, logos and code flag stickers • Magic Marine rear foot straps on hull sterns • EVA Progrip• Full Carbon length gibing centreboards with up haul cords • Alloy rudder stocks with full carbon rudders and lockdown system • Carbon tiller extension • Adjustable diamond arms • Single Bolt adjustable diamond wire tension • Water jet cut stainless steel fittings: Reduces long term tarnishing NEW!! • Quick adjust rotation system • Full HARKEN fit out • 16:1 luff control • Boom with 2:1 outhaul • 10:1 mainsheet system • 4:1 self-tacking jib system • High Performance lines and sheets • Tapered Spin halyard and Tack Line • Dyneema lines in all non cleat applications • Pentex mainsail with Fibrefoam battens • Pentex fully battened jib • SuperKote Spinnaker INCLUDING Holmenkon silicone coating OPTION: colours and multiple colours available • Complete snuffer system • Rudder and Centreboard storage bags • StaMaster side stay adjusters • Custom number including colour and country code (subject to availability) 1 Boats 1-VIPERC Complete Viper Catamaran UNI RIG The Viper is the ultimate “sports car”. -
Sailing in Heavy Weather
SAILING IN HEAVY WEATHER John Jourdane As the wind increases you need to reduce sail area the keep the boat under control Why we need smaller sails as the wind builds Think of a weather vane Keep the helm balanced Pac Cup Rules – Heavy Air Sails 1. Mainsail – must be able to reduce luff length by 10% 2. Boat shall carry at least 2 of the following 3 sails: a. A trysail with sail numbers on both sides, which can be set independently of the boom, has an area less than 17.5% of E x P, and which is capable of being attached to the mast. Sails newer than 1/1/2014 must be constructed of highly visible material. b. A storm jib with an alternate means of attachment to the headstay, if the head foil fails, and highly visible material c. A heavy-weather jib of area not greater than 13.5% of the foretriangle squared. The North Pacific High As the wind increases Go to progressively smaller jibs Reef the mainsail Put more reefs in the main Put up the storm jib or storm staysail Deep-reefed main alone Storm trysail and storm jib or storm staysail Heave to with trysail and storm jib or storm staysail Storm trysail or storm staysail alone Reefed Main and Small Jib Storm Sails Should be purpose-built for your boat Need to be made from heavy material to withstand the beating a storm can produce Storm Jib Gale Sail Gale Sail Gale Sail Storm Staysail Storm Jib Stow the storm jib in it’s own bag in an easily accessible place. -
Mast Furling Installation Guide
NORTH SAILS MAST FURLING INSTALLATION GUIDE Congratulations on purchasing your new North Mast Furling Mainsail. This guide is intended to help better understand the key construction elements, usage and installation of your sail. If you have any questions after reading this document and before installing your sail, please contact your North Sails representative. It is best to have two people installing the sail which can be accomplished in less than one hour. Your boat needs facing directly into the wind and ideally the wind speed should be less than 8 knots. Step 1 Unpack your Sail Begin by removing your North Sails Purchasers Pack including your Quality Control and Warranty information. Reserve for future reference. Locate and identify the battens (if any) and reserve for installation later. Step 2 Attach the Mainsail Tack Begin by unrolling your mainsail on the side deck from luff to leech. Lift the mainsail tack area and attach to your tack fitting. Your new Mast Furling mainsail incorporates a North Sails exclusive Rope Tack. This feature is designed to provide a soft and easily furled corner attachment. The sail has less patching the normal corner, but has the Spectra/Dyneema rope splayed and sewn into the sail to proved strength. Please ensure the tack rope is connected to a smooth hook or shackle to ensure durability and that no chafing occurs. NOTE: If your mainsail has a Crab Claw Cutaway and two webbing attachment points – Please read the Stowaway Mast Furling Mainsail installation guide. Step 2 www.northsails.com Step 3 Attach the Mainsail Clew Lift the mainsail clew to the end of the boom and run the outhaul line through the clew block. -
Trimarans and Outriggers
TRIMARANS AND OUTRIGGERS Arthur Fiver's 12' fibreglass Trimaran with solid plastic foam floats CONTENTS 1. Catamarans and Trimarans 5. A Hull Design 2. The ROCKET Trimaran. 6. Micronesian Canoes. 3. JEHU, 1957 7. A Polynesian Canoe. 4. Trimaran design. 8. Letters. PRICE 75 cents PRICE 5 / - Amateur Yacht Research Society BCM AYRS London WCIN 3XX UK www.ayrs.org office(S)ayrs .org Contact details 2012 The Amateur Yacht Research Society {Founded June, 1955) PRESIDENTS BRITISH : AMERICAN : Lord Brabazon of Tara, Walter Bloemhard. G.B.E., M.C, P.C. VICE-PRESIDENTS BRITISH : AMERICAN : Dr. C. N. Davies, D.sc. John L. Kerby. Austin Farrar, M.I.N.A. E. J. Manners. COMMITTEE BRITISH : Owen Dumpleton, Mrs. Ruth Evans, Ken Pearce, Roland Proul. SECRETARY-TREASURERS BRITISH : AMERICAN : Tom Herbert, Robert Harris, 25, Oakwood Gardens, 9, Floyd Place, Seven Kings, Great Neck, Essex. L.I., N.Y. NEW ZEALAND : Charles Satterthwaite, M.O.W., Hydro-Design, Museum Street, Wellington. EDITORS BRITISH : AMERICAN : John Morwood, Walter Bloemhard "Woodacres," 8, Hick's Lane, Hythe, Kent. Great Neck, L.I. PUBLISHER John Morwood, "Woodacres," Hythc, Kent. 3 > EDITORIAL December, 1957. This publication is called TRIMARANS as a tribute to Victor Tchetchet, the Commodore of the International MultihuU Boat Racing Association who really was the person to introduce this kind of craft to Western peoples. The subtitle OUTRIGGERS is to include the ddlightful little Micronesian canoe made by A. E. Bierberg in Denmark and a modern Polynesian canoe from Rarotonga which is included so that the type will not be forgotten. The main article is written by Walter Bloemhard, the President of the American A.Y.R.S. -
The Poor Man's Ljungström
The poor man’s Ljungström rig (.. or how a simplified Ljungström rig can be a good alternative on a small boat...) ..by Arne Kverneland... ver. 20110722 Fredrik Ljungström: Once upon a time there lived an extraordinary man in Sweden, named Fredrik Ljungström (1875 – 1964). Like his father and brothers he turned out to be an inventor, even greater than the others. Among his over 200patents (some shared with others) the most lucrative were probably efficient steam turbines to drive electric generators and locomotives (1920) and even more important, the rotating heat regenerator which cut the coal consumption on the steam engines with over 30% (around 1930). Going through the list of patents, it is clear that he must have been a real multi-genius (.. for more info, just google Fredrik Ljungström...). The Ljungström rig – the original: Being also a keen sailor, in 1935 Mr. Ljungström came up with another brilliant idea; the Ljungström rig (Lj-rig). He had learned how dangerous it could be to handle sail on the foredeck of a small boat and his solution was radical: The diagram above of a Ljungström rig is copied from the book “RACING, CRUISING and DESIGN by Uffa Fox. (ISBN 0-907069-15-0 in UK, 0-87742-213-3 in USA). Great reading! This is a one-sail rig set on a freestanding wooden mast (.. in later designs the aft stay was omitted). The luff boltrope of the doubled sail went in a track in the mast and just as today’s roller genoas it was hoisted in spring and lowered at the end of the season. -
ORC Special Regulations Mo3 with Life Raft
ISAF OFFSHORE SPECIAL REGULATIONS Including US Sailing Prescriptions www.ussailing.org Extract for Race Category 4 Multihulls JANUARY 2014 - DECEMBER 2015 © ORC Ltd. 2002, all amendments from 2003 © International Sailing Federation, (IOM) Ltd. Version 1-3 2014 Because this is an extract not all paragraph numbers will be present RED TYPE/SIDE BAR indicates a significant change in 2014 US Sailing extract files are available for individual categories and boat types (monohulls and multihulls) at: http://www.ussailing.org/racing/offshore-big-boats/big-boat-safety-at-sea/special- regulations/extracts US Sailing prescriptions are printed in bold, italic letters Guidance notes and recommendations are in italics The use of the masculine gender shall be taken to mean either gender SECTION 1 - FUNDAMENTAL AND DEFINITIONS 1.01 Purpose and Use 1.01.1 It is the purpose of these Special Regulations to establish uniform ** minimum equipment, accommodation and training standards for monohull and multihull yachts racing offshore. A Proa is excluded from these regulations. 1.01.2 These Special Regulations do not replace, but rather supplement, the ** requirements of governmental authority, the Racing Rules and the rules of Class Associations and Rating Systems. The attention of persons in charge is called to restrictions in the Rules on the location and movement of equipment. 1.01.3 These Special Regulations, adopted internationally, are strongly ** recommended for use by all organizers of offshore races. Race Committees may select the category deemed most suitable for the type of race to be sailed. 1.02 Responsibility of Person in Charge 1.02.1 The safety of a yacht and her crew is the sole and inescapable ** responsibility of the person in charge who must do his best to ensure that the yacht is fully found, thoroughly seaworthy and manned by an experienced crew who have undergone appropriate training and are physically fit to face bad weather. -
December 2007 Crew Journal of the Barque James Craig
December 2007 Crew journal of the barque James Craig Full & By December 2007 Full & By The crew journal of the barque James Craig http://www.australianheritagefleet.com.au/JCraig/JCraig.html Compiled by Peter Davey [email protected] Production and photos by John Spiers All crew and others associated with the James Craig are very welcome to submit material. The opinions expressed in this journal may not necessarily be the viewpoint of the Sydney Maritime Museum, the Sydney Heritage Fleet or the crew of the James Craig or its officers. 2 December 2007 Full & By APEC parade of sail - Windeward Bound, New Endeavour, James Craig, Endeavour replica, One and All Full & By December 2007 December 2007 Full & By Full & By December 2007 December 2007 Full & By Full & By December 2007 7 Radio procedures on James Craig adio procedures being used onboard discomfort. Effective communication Rare from professional to appalling relies on message being concise and clear. - mostly on the appalling side. The radio Consider carefully what is to be said before intercoms are not mobile phones. beginning to transmit. Other operators may The ship, and the ship’s company are be waiting to use the network. judged by our appearance and our radio procedures. Remember you may have Some standard words and phases. to justify your transmission to a marine Affirm - Yes, or correct, or that is cor- court of inquiry. All radio transmissions rect. or I agree on VHF Port working frequencies are Negative - No, or this is incorrect or monitored and tape recorded by the Port Permission not granted. -
UNIT 3.5 N M a N U a L Thanks for Buying a Harken Jib Reefing and Furling System
I N S T R U MKIII C Jib Reefing & T Furling Systems I O UNIT 3.5 N M A N U A L Thanks for buying a Harken Jib Reefing and Furling System. It will give you reliable service with minimal maintenance, but does require proper assembly and basic care. This manual is an important part of the total reefing system. Please take the time to read it carefully before assembling or using your furling system. These instructions may look intimidating, but they are very simple and use photos and drawings throughout to make assembly easy. Many sections will not apply to your boat or to your installation. If you have questions which cannot be answered by the manual or your dealer, please feel free to give us a call. We’ll be happy to do anything we can to make your sailing safer and more fun. 2 Unit 3.5 MKIII January 2007 Parts 6-7 Sailmaker Instructions 8 Preparation for Assembly 10 – 12 This section tells how to measure the headstay, prepare the wire and cut foil to length if they have not been supplied ready to assemble. Assembly 13 – 20 Assembly of the unit is explained in this section Commissioning 21 – 23 Commissioning covers how to install the assembled unit on the boat and make it operational. Operation 24 – 28 This section explains system use. It also discusses tensioning the headstay and converting to racing. Troubleshooting & Repair 29 – 30 The Assembly and Operation Trouble Shooting guides explain how to correct problems. Your seven-year limited warranty is explained on page 30. -
Viper Owner's Manual.Pdf
Contents Contents ........................................................................................................................................................................ 1 Introduction .................................................................................................................................................................. 4 About this Owner’s Manual ......................................................................................................................................... 4 General Information .................................................................................................................................................... 5 Assembly ....................................................................................................................................................................... 7 Glossary ....................................................................................................................................................................... 7 Tools needed ................................................................................................................................................................ 8 Arrival of goods ........................................................................................................................................................... 8 Platform ......................................................................................................................................................................