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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, -
2013 Owner's Manual
O W NER ’ S M A N U A L WELCOME TO DAGGER EUROPE BE PART OF THE COMMUNITY You are in good company. Over the years Dagger From the mountains to the sea, Dagger paddlers has crafted a reputation for being at the cutting are relentless in the pursuit of adventure and play. edge of paddlesport, which is why so many of the Join in at www.daggereurope.com to share your worlds most passionate and well-known paddlers experiences, see what the team have been doing choose to use our boats. Like them, you’ll find and get the latest news. your Dagger kayak will provide years of adventure wherever you want to go, and maybe places you CONTENTS haven’t thought of yet. 4 Kayak Key Features: Recreational/Touring 5 Kayak Key Features: Whitewater Formed in the late 80’s, Dagger has spent over two decades innovating and developing to create 6 Outfitting classic designs that always deliver performance, 12 Storage & Transport comfort and value. This guide will help you get 13 Care & Maintenance the best from your new Dagger kayak and also Additional Equipment ensure it stays in good condition throughout your 14 paddling adventures. 15 Your Safety 16 Warranty Thank you for choosing Dagger kayaks. 17 Service & Support This owner’s manual and additional information is available at www.daggereurope.com KAYAK KEY FEATURES: RECREATIONAL / TOURING Rudder (some models) Stern Seat & seatback Large hatch Backband adjuster Security bar Cockpit Thighbraces Deck Deck rigging Small hatch Grab handle Compass Bow Skeg Rail (some models) Sidewall Skeg/rudder lanyard Hull Foot brace bolts Deck lines, bow and stern Chine FEATURES IN DETAIL BOW/NOSE: The front of the kayak. -
(12) Patent Application Publication (10) Pub. No.: US 2011/0053441 A1 Sakamoto (43) Pub
US 2011 0053441A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2011/0053441 A1 Sakamoto (43) Pub. Date: Mar. 3, 2011 (54) TWIN-SKEGSHIP (52) U.S. Cl. .......................................................... 440/66 (76) Inventor: Toshinobu Sakamoto, Nagasaki (JP) (21) Appl. No.: 12/990,009 (57) ABSTRACT Provided is a twin-skeg ship that allows for a further improve (22) PCT Filed: Oct. 20, 2008 ment in propulsion performance (propulsion efficiency). A twin-skeg ship (10) having a pair of left and right skegs (3) on (86). PCT No.: PCT/UP2008/068987 the bottom (2) of a stern has reaction fins 5, each comprising a plurality of fins 5a extending radially from a bossing (6) S371 (c)(1), fixed to a stern frame (7) provided at a rear end of the skeg (3), (2), (4) Date: Nov. 12, 2010 or from a fin boss provided on the bossing (6), in a range O O where a flow immediately in front of a propeller (4) attached Publication Classification to the skeg (3) with a propeller shaft (4a) therebetween has a (51) Int. Cl. component in the same direction as a rotational direction of B63H I/28 (2006.01) the propeller (4). SKEG HULL SKEG CENTERLINE CENTERLINE CENTERLINE Patent Application Publication Mar. 3, 2011 Sheet 1 of 8 US 2011/0053441 A1 - O s as e rs CO - d - CD s to v ? ? CY se Patent Application Publication Mar. 3, 2011 Sheet 2 of 8 US 2011/0053441 A1 N LL 2. C9 d - Salt CMO H. 2 CD CN 2 -- CD E----- a caaaad m H t Lal CP : : Patent Application Publication Mar. -
US Vintage Model Yacht Group Vintage Marblehead (VM) RC Sailing Rule
JH/JYS August 2019 US Vintage Model Yacht Group Vintage Marblehead (VM) RC Sailing Rule These revised Vintage Marblehead Rating Rules of 2019 shall govern Vintage Marblehead activities from date of publication until revised by consensus or recommendation by Vintage Marblehead class owners. It is reasonable to expect that the class rules or plans may evolve with time to improve clarity, correct unforeseen problems, or embrace advancing R/C technology. It is the intent of the class that any potential changes not disqualify existing boats. All Vintage Marblehead model yachts participating in racing competition sponsored by US VMYG must comply with these class-rating rules. It is the responsibility of each skipper to prepare his boat in accordance with the Rules and Specifications referenced or included in this document. The intent of the US VMYG is to encourage participation and to simplify any certification or measurement processes as much as is consistent with fair racing. The rating rules for the Vintage M divisions are based on the Marblehead 50-800 Class rule adopted by the Model Yacht Racing Association of America (predecessor of the American Model Yachting Association) April 14, 1932 and corrected June 1, 1939. Subsequent editions were “corrected” to accommodate the evolving Marblehead 50-800 development class. For racing purposes, Vintage Marblehead fleets may be separated into “Traditional”, “High Flyer”, and “Classic M” divisions. The separation is based on design characteristics. In general: Early vintage design types (”Traditional”) are identified by practices such as skeg or keel-mounted rudders and relatively shallow draft; this is typical of design practices in the period roughly from 1930- 1945. -
1850 Pro Tiller
1850 Pro Tiller Specs Colors GENERAL 1850 PRO TILLER STANDARD Overall Length 18' 6" 5.64 m Summit White base w/Black Metallic accent & Tan interior Boat/Motor/Trailer Length 21' 5" 6.53 m Summit White base w/Blue Flame Boat/Motor/Trailer Width 8' 6" 2.59 m Metallic accent & Tan interior Summit White base w/Red Flame Boat/Motor/Trailer Height 5' 10" 1.78 m Metallic accent & Tan interior Beam 94'' 239 cm Summit White base w/Storm Blue Metallic accent & Tan interior Chine width 78'' 198 cm Summit White base w/Silver Metallic Max. Depth 41'' 104 cm accent & Gray interior Max cockpit depth 22" 56 cm Silver Metallic base w/Black Metallic accent & Gray interior Transom Height 25'' 64 cm Silver Metallic base w/Blue Flame Deadrise 12° Metallic accent & Gray interior Weight (Boat only, dry) 1,375# 624 kg Silver Metallic base w/Red Flame Metallic accent & Gray interior Max. Weight Capacity 1,650# 749 kg Silver Metallic base w/Storm Blue Max. Person Weight Capacity 6 Metallic accent & Gray interior Max. HP Capacity 90 Fuel Capacity 32 gal. 122 L OPTIONAL Mad Fish graphics HULL Shock Effect Wrap Aluminum gauge bottom 0.100" Aluminum gauge sides 0.090'' Aluminum gauge transom 0.125'' Features CONSOLE/INSTRUMENTATION Command console, w/lockable storage & electronics compartment, w/pull-out tray, lockable storage drawer, tackle storage, drink holders (2), gauges, rocker switches & 12V power outlet Fuel gauge Tachometer & voltmeter standard w/pre-rig Master power switch Horn FLOORING Carpet, 16 oz. marine-grade, w/Limited Lifetime Warranty treated panel -
Skeg Pro Instruction.Indd
Assembly and installation instruction Dated 17.5.2011 ITEM: KS-retractable plastic skeg Pro PAGE 1/10 Code: 520100 & 520101 520100 KS-retractable plastic skeg Pro, complete 520101 KS-retractable plastic skeg Pro, plain (without flange in box) Assembly and installation instruction Dated 17.5.2011 ITEM: KS-retractable plastic skeg Pro PAGE 2/10 Code: 520100 & 520101 PRODUCT CODE PRODUCT NAME ID 520110 KS Skeg blade (inc wire 3mm / 2,5 m) 1 520120 KS Skeg box Pro, with flange (material ABS), inc PA-tube 6/4 2 520121 KS Skeg box Pro, without flange (material ABS), inc PA-tube 6/4 2b 520125 Axle for Skeg box (female) 3 520125 Axle for Skeg box (male) 4 520131 KS Skeg control box (material: ABS) 5 520132 KS Skeg control rail 6 520133 KS skeg control knop 7 520134 KS Skeg control plug 8 473309 Selftapping screw (2,9 x 9,5mm) A4, DIN 7983 9 453412 Screw M4 x 12 mm A4, DIN 966 10 465140 Washer M4, A4, DIN 9021 11 461140 Nut M4, A4, DIN 934 12 490600 O-ring (4,47 x 1,78 mm) 13 PA-tube 6/4 mm (included) 2 10 12 11 8 13 9 7 Wire (Aisi 316) 4 3 D: 3 mm L: 2,5 m 6 (included) 9 1 9 8 5 Assembly and installation instruction Dated 17.5.2011 ITEM: KS-retractable plastic skeg Pro PAGE 3/10 Code: 520100 & 520101 EXPLODED VIEW Skeg control unit,basedimensions Skeg control Skeg box,basedimensions R 102,5 mm 32,3 mm 121,2 mm 3 mm 6,2 mm inside 6,2 mm 22 mm 6,2 mm SECTION C-C 22,9 mm Code: 520100&520101 ITEM: KS-retractableplasticskegPro Assembly andinstallationinstruction SCALE 1:2 25 mm C 34,9 mm 420mm 400mm C 9,6 mm 154 mm 130 mm PAGE 4/10 PAGE Dated 17.5.2011 14,9mm 25° 25 mm 4,5 mm Assembly and installation instruction Dated 17.5.2011 ITEM: KS-retractable plastic skeg Pro PAGE 5/10 Code: 520100 & 520101 Skeg box (with flange) installation The skeg box with flange is meant to be installed into a recess from outside and underneath into the kayak hull. -
Convergent Evolution of Boats with Sails A
www.nature.com/scientificreports OPEN Convergent Evolution of Boats with Sails A. Bejan1*, L. Ferber2 & S. Lorente3 This article unveils the geometric characteristics of boats with sails of many sizes, covering the range 102–105 kg. Data from one hundred boat models are collected and tabulated. The data show distinct trends of convergent evolution across the entire range of sizes, namely: (i) the proportionality between beam and draft, (ii) the proportionality between overall boat length and beam, and (iii) the proportionality between mast height and overall boat length. The review shows that the geometric aspect ratios (i)–(iii) are predictable from the physics of evolution toward architectures that ofer greater fow access through the medium. Nature impresses us with images, changes and tendencies that repeat themselves innumerable times even though “similar observations” are not identical to each other. In science, we recognize each ubiquitous tendency as a distinct phenomenon. Over the centuries, our predecessors have summarized each distinct phenomenon with its own law of physics, which then serves as a ‘frst principle’ in the edifce of science. A principle is a ‘frst principle’ when it cannot be deduced from other frst principles. Tis aspect of organization in science is illustrated by the evolution of thermodynamics to its current state1,2. For example, 150 years ago the transformation of potential energy into kinetic energy and the conservation of “caloric” were fused into one statement—the frst law of thermodynamics—which now serves as a frst-principle in physics. It was the same with another distinct tendency in nature: everything fows (by itself) from high to low. -
The Collection
2014 THE COLLECTION GREAT LAKES SHIPYARD Jensen Maritime Consultants is a full-service naval architecture and marine engineering firm that delivers innovative, comprehensive and high-value engineering solutions to the marine community. 1 THE COLLECTION................................................................................3 60 WORKBOAT.............................................................................5 65 Z-DRIVE TUG...........................................................................7 74 MULTI-PURPOSE TUG...........................................................9 86 Z-DRIVE TUG..........................................................................11 92 ASD TRACTOR TUG.............................................................13 94 Z-DRIVE TUG.........................................................................15 100 Z-DRIVE TUG........................................................................17 100 LNG TUG...............................................................................19 111 MULTI-PURPOSE TUG..........................................................21 150 LINEHAUL TUG...................................................................23 CONTACT US.......................................................................................25 Great Lakes Shipyard is a full-service shipyard for new vessel and barge construction, fabrication, maintenance, and repairs in a state-of-the-art facility that includes a 770-ton mobile Travelift and a 300-ton floating drydock. 2 JENSEN SERIES THE COLLECTION -
An Orientation for Getting a Navy 44 Underway
Departure and return procedure for the Navy 44 • Once again, the Boat Information Book for the United States Naval Academy Navy 44 Sailing Training Craft is the final authority. • Please do not change this presentation without my permission. • Please do not duplicate and distribute this presentation without the permission of the Naval Academy Sailing Training Officer • Comments welcomed!! “Welcome aboard crew. Tami, you have the helm. If you’d be so kind, take us out.” When we came aboard, we all pitched in to ready the boat to sail. We all knew what to do and we went to work. • The VHF was tuned to 82A and the speakers were set to “both”. • The engine log book & hernia box were retrieved from the Cutter Shed. • The halyards were brought back to the bail at the base of the mast, but we left the dockside spinnaker halyard firmly tensioned on deck so boarding crew could use it to aid boarding. • The sail and wheel covers were removed and stored below. • The reef lines were attached and laid out on deck. • The five winch handles were placed in their proper holders. • The engine was checked: fuel level, fuel lines open, bilge level/condition, alternator belt tension, antifreeze level, oil and transmission level, RACOR filter, raw water intake set in the flow position, engine hours. This was all entered into the log book. • Sails were inventoried. We use the PESO system. We store sails in the forward compartment with port even, starboard odd. •The AC main was de-energized at the circuit panel. -
Sea Kayak Handling Sample Chapter
10 STERN RUDDERS Stern rudders are used to keep the kayak going in a straight line and make small directional changes when on the move. The stern rudder only works if the kayak is travelling at a reasonable speed, but it has many applications. The most common is when there is a following wind or sea pushing the kayak along at speed. In this situation, forward sweep strokes are not quick enough to have as much effect as the stern rudder. A similar application is when controlling the kayak while surfi ng. A more ‘gentle’ application is when moving in and out of rocks, caves and arches at slower speeds. Here, the stern rudder provides control and keeps the kayak on course in these tight spaces. Low angle stern rudder This is the classic stern rudder and works well to keep the kayak running in a straight line. It is best combined with the push/pull method of turning with a stern rudder (see below). • The kayak must be moving at a reasonable speed. • Fully rotate the body so that both hands are out over the side. • Keep looking forwards. • Place the blade nearest the stern of the kayak in the water as far back as your rotation allows. • The blade face should be parallel to the side of the kayak so that it cuts through the water and you feel no resistance. 54 • The blade should be fully submerged and will act like a rudder, controlling the direction of the kayak. • The front hand should be across the kayak and at a height between your stomach and chest. -
Event Information, Policies, and Agreements
Bow to Stern Boating Event Information, Policies, and Agreements This document includes: General Information, Policies, Procedures, Agreement Statements, and Waivers For the Following Events: Rental/Charter, ASA Certification/Lesson, Day Camp, and Other Program. Contact Bow to Stern if you have any questions concerning this information. Updated: March 18, 2021 Table of Contents General Information ............................................................................................................................................. 4 Registration ................................................................................................................................................................... 4 What to Bring ................................................................................................................................................................ 4 Overnight Rentals/Charters/Lessons ............................................................................................................................ 4 Captain and Vessel Check-In/Out Procedures ........................................................................................................ 4 Captain Check-In ............................................................................................................................................................ 4 Captain Check-In Times ................................................................................................................................................. 4 -
Know About Boating Before You Go Floating
Know About Boating Before You Go Floating KEY TERMS All-around white light: Navigation light that Gunwale: Upper edge of a boat’s side. is visible in all directions around the boat from Hull: The main body of a boat. 2 miles away. Port: The left side of a boat. Bow: The front part of a boat. Propeller: A device with two or more blades Buoy: An object that floats on the water in that turn quickly and cause a boat to move. a bay, river, lake or other body of water and Sidelights: Red (port side) and green provides information to boats. (starboard side) navigation lights on a boat, Capsize: To turn a craft upside down in visible from 1 mile away. the water. Skipper: The person who commands a boat. Cleat: A wooden or metal fitting on the deck Starboard: The right side of a boat. of a boat. It has two projecting horns around which a rope or line may be tied. Stern: The back part of a boat. OBJECTIVES After completing this lesson, students will be able to: zz Name the main parts of a boat. zz Explain some boating terms. zz Describe some important safety equipment that should be on a boat. zz Demonstrate putting on a life jacket. zz Explain how to board a boat. zz Understand how to balance a boat. zz Explain what to do if a boat capsizes (turns over). MATERIALS, EQUIPMENT AND SUPPLIES zz Poster: Know About Boating Before You Go Floating zz Several Type II and/or Type III life jackets (in the various sizes that would fit the students) zz Mat or tape to create outline of boat zz Chairs (6) zz Watch or clock with a second hand zz Crayons, markers