"Clapeyron then goes on to use graphical methods to show how this ""mechanical action"", i.e. work in modern terms, could be calculated. Motive power In thermodynamics, motive power is a natural agent, such as water or steam, wind or electricity, used to impart motion to machinery such as an engine. Motive power may also be a locomotive or a motor, which provides motive power to a system. ""Motive power"" may be thought of as a synonym for either ""work"", i.e. force times distance [J], or ""power"" [J/s]. In 1679, physicist Denis Papin conceived the idea of using steam to power"
"size. In the common class, engines of are the most common. Modern sailing yachts can be equipped with electric inboard motors in order to reduce consumption of fossil fuel. The latest technology are outboard electric pod drives that can also regenerate electricity (motogens). These motogens can be made retractable to increase the efficiency of the yacht. Some of these yachts are extremely efficient and do not need additional diesel generators. This technology is called Green Motion. Monohull yachts are typically fitted with a fixed keel or a centreboard (adjustable keel) below the waterline to counterbalance the overturning force of wind"
"to which a sailing craft must adjust to wind gusts on a given course. A sailing craft's motive system comprises one or more sails, supported by spars and rigging, that derive power from the wind and induce reactive force from the underbody of a sailboat or the running gear of an ice boat or land craft. Depending on the angle of attack of a set of sails with respect to the apparent wind, each sail is providing motive force to the sailing craft either from lift-dominant attached flow or drag-dominant separated flow. Additionally, sails may interact with one another to"
"modelling fraternity frequently referred to them as such. A few enthusiasts still operate such engines.) The power is commonly used to rotate a submerged propeller, aircraft propeller or jet which in turn provide the thrust to move the craft. Typically power boats have two controls, rudder, outboard motor or stern drive and throttle control. Powered scale boats will often have additional remote-controlled functions to improve realism, e.g. sounding fog horns, rotating radar antennae etc. Some of the more sophisticated powered racing boats may also have additional remote-controlled functions. These may include remote mixture control allowing the driver to optimise the"
"pumps have become more common as have transversely swinging keels. Both these stiffen the yacht and allow more sail to be carried in stronger winds. Depending on the type of race, such a yacht may have a crew of 15 or more. Very large inshore racing yachts may have a crew of 30. At the other extreme are ""single handed"" races, where one person alone must control the yacht. Yacht races may be over a simple course of only a few miles, as in the harbour racing of the International One Design; long-distance, open-ocean races, like the Bermuda Race; or"
"The shape of a motor yacht's hull may be based on displacement, planing, or in between. Although monohulls have long been the standard in motor yachts, multihulls are gaining in popularity. Yacht travel depends on suitable weather conditions, and this requires the yacht user to follow a specific travel calendar in order to avoid bad sailing weather. Yacht A yacht is a watercraft used for pleasure or sports. The term originates from the Dutch word ""jacht"" ""hunt"", and was originally defined as a light fast sailing vessel used by the Dutch navy to pursue pirates and other transgressors around and"
"movement and a drive mechanism (usually electrical, though possibly hydraulic in larger systems) causes the rudder to move accordingly. There are several possibilities for the interface between the drive mechanism and the conventional steering system. On yachts, the three most common systems are: Depending on the sophistication of the control unit (e.g. tiller pilot, steering wheel attached Chartplotter, ...), electronic self-steering gear can be programmed to hold a certain compass course, to maintain a certain angle to the wind (so that sailing boats need not change their sail trim), to steer towards a certain position, or any other function which"
"ratio of 60%. The vessel was normally fitted with a small (6hp) inboard engine but on some boats a lazarette in the counter stern incorporated an outboard well with removable GRP plug. This allowed the yacht to be propelled by a small outboard motor. To do this, the GRP plug is removed and the leg and propeller of the outboard passed through the aperture to project below the outline of the hull. Accommodation below is basic with settee berths to port and starboard. Forward of the main bulkhead is a small forepeak typically with a sea toilet (for example a"
"17 knots, and a range of 5,500 nautical miles at 14 knots. A helicopter and helipad are located on the top deck. The yacht gets its name from Wurth company's motto in the 2006/2007 business year. The name ""Vibrant Curiosity"" was the motto of the Würth company in the business year 2006/2007. The yacht is designed by the Italian design team Nuvolari & Lenard and built by Oceanco in the Dutch town of Alblasserdam. The yacht can accommodate 14 guests and up to 26 crew. The motoryacht is launched in April 2009. The main engines are 2 MTU 16V 595"
"to a yacht. Her exterior design was created by the teamwork of Terence Disdale and De Voogt Naval Architects, with Disdale also responsible for the yacht's Asian-style interior. David Waite-Wright, who was Senior Designer at Disdales, oversaw the project. The yacht later went on to win multiple interior design awards. She has capacity for 14 passengers, who are divided into 6 separate rooms. The yacht has four main MTU engines with a combined power of 12,444 hp. The builder also installed a General Electric LM2500 gas turbine on board, which produces 30,843 hp. The total combined horsepower of 43,287 hp"
"allows it to punch into a headwind when necessary to make a landfall, without endless tacking to windward. Although the term ""motorsailer"" is normally applied to private yachts, there are some motorsailer cruise ships that augment diesel power with sail drive, partly to save fuel and partly to enhance the experience for passengers. An example of such a vessel is the ""Club Med 2"". Motorsailer A Motorsailer, aka ""motorsailor"" (US), is a type of sailing vessel, typically a pleasure yacht, that derives propulsion from its sails and engine(s) in equal measure. Whereas most sailing yachts above a certain size will"
"yacht to have electric lighting. Now all but the smallest, most basic yachts have electric lighting, radio, and navigation aids such as Global Positioning Systems. Yachts around bring in comforts such as hot water, pressurised water systems, and refrigerators. Aids such as radar, echo-sounding and autopilot are common. This means that the auxiliary engine now also performs the vital function of powering an alternator to provide electrical power and to recharge the yacht's batteries. For yachts engaged on long-range cruising, wind-, water- and solar-powered generators can perform the same function. Racing yachts try to reduce the wetted surface area, which"
"Yacht A yacht is a watercraft used for pleasure or sports. The term originates from the Dutch word ""jacht"" ""hunt"", and was originally defined as a light fast sailing vessel used by the Dutch navy to pursue pirates and other transgressors around and into the shallow waters of the Low Countries. The jacht was popularized by Charles II of England as a pleasure or recreation vessel following his restoration in 1660. Today's yachts differ from other vessels by their leisure purpose. A yacht is any sail or power vessel used for pleasure, cruising or racing. A yacht does not have"
"ten guests with four guest staterooms, as well as the generous owner’s stateroom. Her crew of 13 is accommodated by six crew cabins. Storage rooms, laundry, the galley and the crew mess are all located on the lower deck. The yacht has three bars, as well as deck spaces with a variety of alfresco dining options. ROCK.IT also has multiple outdoor lounges, including a sun deck with seating and a Jacuzzi flanked by sun pads. ROCK.IT is powered by twin MTU 12V 4000 M53R diesel engines, giving her a combined power of . She has a fuel capacity of 120k"
"apart, which generally prevents heeling. Each sailing craft is a system that mobilizes wind force through its sails—supported by spars and rigging—which provide motive power and reactive force from the underbody of a sailboat—including the keel, centerboard, rudder or other underwater foils—or the running gear of an ice boat or land craft, which allows it to be kept on a course. Without the ability to mobilize reactive forces in directions different from the wind direction, a craft would simply be adrift before the wind. Accordingly, motive and heeling forces on sailing craft are either ""components of"" or ""reactions to"" the"
"creates drag, by keeping the hull light whilst having a deep and heavy bulb keel, allowing them to support a tall mast with a great sail area. Modern designs tend to have a very wide beam and a flat bottom aft, to provide buoyancy preventing an excessive heel angle and to promote surfing and planing. Speeds of up to 35 knots can be attained in extreme conditions. Dedicated offshore racing yachts sacrifice crew comfort for speed, having basic accommodation to reduce weight. Modern racing yachts may have twin rudders because of the wide stern. Since about 2000 water ballast transfer"
"boat is powered by twin Yamaha 4-stroke outboard engines that have been inversion-proofed to ensure the engines are still operational after a capsize. Like previous RIBs, it has a manually operated self-righting mechanism that deploys an airbag mounted atop the A-frame. It is capable of being beached in an emergency without sustaining damage to engines or steering gear. The Atlantic 85 is fitted with radar and VHF direction finding equipment and can be operated safely in daylight in a force 6/7 and at night in a force 5/6. The Atlantic 85 also has intercom communications between the crew and VHF"
"renowned for her design, including a pyramidal superstructure surrounded by convex windows and an agile design that enables her to achieve a maximum speed of 36 knots. The yacht has nine luxurious suites and the rear deck was originally designed to carry a Maule turboprop floatplane. She was built by German shipbuilder Blohm & Voss and designed by Martin Francis. ""Enigma"" is powered by two Deutz AG BV16M628 diesel engines each producing 5,000 horsepower and one GE LM1600 gas turbine producing 18,500 horsepower. Each engine drives its own water jet drive. Because of the amount of fuel consumed when using"
"to patrons, waterfowl and other wildlife. Electric power and low pressure steam engines are popular, with many amateur machinists building engines from casting kits. Specialized regattas for radio-controlled motorized craft are held that include rubber duck herding and the simulated rescue of ships in distress by a team of operators controlling a pair of tugboats. Model yachting Model yachting is the pastime of building and racing model yachts. It has always been customary for ship-builders to make a miniature model of the vessel under construction, which is in every respect a copy of the original on a small scale, whether"
"propeller. The yacht also features heat capture technologies and large scale storage batteries to capture energy generated but not immediately used. Inspired by the , the intention behind the project was to push the boundaries of the DynaRig system and demonstrate the potential for larger DynaRig-equipped vessels. The creation of the yacht, then known as ""Project Solar"", began on 7 July 2010 when Ken Freivokh was contracted to handle styling and design on the project. Given their involvement with ""Maltese Falcon"", Freivokh introduced Dykstra Naval Architects to the project and the team were able to advance the DynaRig system and"
"falling into the water, or may have been thrown later by people on deck trying to help, but once around the propeller, they can put the engine out of use, just when it could have been most useful. The yacht auxiliary could be used during final approaches of any of the sailing methods described above, and a motorboat's engine(s) will be used in any case. The engine(s) must be out of gear before the casualty is approached, and may be switched off entirely during the actual recovery to ease communication, reduce fumes and allow people to concentrate on the task"
"in yachts are similar to automotive alternators, with appropriate adaptations to the salt-water environment. Marine alternators are designed to be explosion proof so that brush sparking will not ignite explosive gas mixtures in an engine room environment. They may be 12 or 24 volt depending on the type of system installed. Larger marine diesels may have two or more alternators to cope with the heavy electrical demand of a modern yacht. On single alternator circuits, the power may be split between the engine starting battery and the domestic or house battery (or batteries) by use of a split-charge diode (battery"
"Motorsailer A Motorsailer, aka ""motorsailor"" (US), is a type of sailing vessel, typically a pleasure yacht, that derives propulsion from its sails and engine(s) in equal measure. Whereas most sailing yachts above a certain size will usually have an inboard engine, they will not be ""motorsailers"", as their principal source of power is sail, and the engine is only for auxiliary drive and maneuvering. A sailing yacht with an auxiliary engine will typically have a small propeller that automatically feathers when sailing, whereas a motorsailer may have either a large fixed propeller or, ideally, a variable-pitch propeller. Compared to such"
"propelled solely by mechanical powerplants, cannot carry the fuel sufficient for a point-to-point voyage of even 250–500 miles without needing to resupply; but a well-prepared sail-powered yacht of similar length is theoretically capable of sailing anywhere its crew is willing to guide it. Even considering that the cost benefits are offset by a much-reduced cruising speed, many people traveling distances in small boats come to appreciate the more leisurely pace and increased time spent on the water. Since the solo circumnavigation of Joshua Slocum in the 1890s, long-distance cruising under sail has inspired thousands of otherwise normal people to explore"
"born from their owner’s desire to push the boundary of yacht design and create something unique. M/Y ""A"" features submarine-inspired styling and a smooth upside down hull form that leaves almost no wake even when powering at 25 knots. A favourite feature of Starck’s on board M/Y ""A"" is the cavern-like tender garage, that feels akin to a ballroom when you step into its huge spaces. With openings on three sides, this space ensures true on water living. On her launch, S/Y ""A"" demonstrated similar creative styling to her motor yacht sister. This radical yacht is the biggest sail-assisted motor"
"the ""wing"", at the bottom to provide additional effective span, in the same way as the winglets on an aircraft. Note that, contrary to classic configurations, the keel is ""upside down"" under the hull (the root chord is smaller than the tip (bottom) chord) in order to minimize the loss of side force due to the proximity of the water surface. Each wing acts as a winglet, effectively doubling the keel aspect ratio and reducing lift-induced drag. Because the yacht is heeled over when sailing upwind the leeward foil attains more draft, which reduces the loss of efficiency that always"
"on the vessel's sails. Multihull yachts use two (catamarans) or three (trimarans) hulls widely separated from each other to provide a stable base that resists overturning. The number of motor yachts grows quite significantly each year. An estimate 150 yachts are build year on year, and about 90% of thee are motoryachts.. Today we count about 5,500 motor yachts. Motor yachts generally fit into the following categories: Motor yachts typically have one or two internal combustion engines that burn diesel fuel or gasoline. Depending on engine size, fuel costs may make motor yachts more expensive to operate than sailing yachts."
"instrumentation or crew on a moving sailing craft. Apparent wind velocity provides the motive power for the sails on any given point of sail. It varies from being the true wind velocity of a stopped craft in irons in the no-go zone to being faster than the true wind speed as the sailing craft's velocity adds to the true windspeed on a reach, to diminishing towards zero, as a sailing craft sails dead downwind. Sailing craft A is close-hauled. Sailing craft B is on a beam reach. Sailing craft C is on a broad reach.<br>Boat velocity (in black) generates an"
"and yards can be rotated without restriction for all points of sail, making ""Black Pearl"" a capable upwind clipper. ""Black Pearl"" is a sailing yacht with three high masts, and is capable of in suitable weather conditions. It also has diesel engines that can propel it to . As a private yacht ""Black Pearl"" can accommodate 12 guests and has various features including an on-deck Jacuzzi, swimming platform, and a tender garage. Total interior volume is 2,700 gross tons. Specifications: Timeline: ""Black Pearl"" is designed to generate electricity to power its on-board systems, by using its propeller as a turbine"
"fire caused by fuel in a vehicle equipped with a diesel engine. In yachts, diesel engines are often used because the petrol (gasoline) that fuels spark-ignition engines releases combustible vapors which can lead to an explosion if it accumulates in a confined space such as the bottom of a vessel. Ventilation systems are mandatory on petrol-powered vessels. The United States Army and NATO use only diesel engines and turbines because of fire hazard. Although neither gasoline nor diesel is explosive in liquid form, both can create an explosive air/vapor mix under the right conditions. However, diesel fuel is less prone"
"142 horsepower, nominal), a return tubular boiler of steel, with a working pressure of 160lb to the square inch, and she carries 130 tons of coal, of which there are now 50 tons in her bunkers. The speed of the yacht is about thirteen knots an hour, on a consumption of half a ton of fuel. With regard to the sanitary equipment, there are three baths fitted with hot and cold, salt and fresh water. The lighting throughout is electric, with pneumatic bells and speaking tubes. There are nine sleeping apartments, exclusive of those required for the captain, officers, and"
"and can reach speeds of over . Excessive speed accounted for nearly 15 percent of all PWC-related accidents in 2007, according to the U.S. Coast Guard. The steering characteristics of jet boats (including personal watercraft) when they are ""off throttle"" seem to differ from conventional steering. All recreational planing boats steer with thrust. Jet boats (including PWCs) generate that thrust with a moveable nozzle connected to a jet pump; propeller boats generate thrust through a downward-placed, exposed propeller. The fact that the propeller is placed downward in the water and is exposed means that even when it is not generating"
"of a 60,000 tonne car carrier ship to be used by Toyota Motor Corporation. The Monaco yacht company Wally has announced a ""gigayacht"" designed for billionaires torn between buying a mansion and a superyacht. The ""Why 58 x 38"" is designed to have an autonomous cruising range of 12,000 miles at 12 knots by means of 900m of solar panels which generate 150 kW to assist the diesel-electric motors and optional Skysails. Electric boat While a significant majority of water vessels are powered by diesel engines, with sail power and gasoline engines also popular, boats powered by electricity have been"