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Marine

The Cox Powertrain may find use in Royal Navy vessels such as this one

Britain’s Ministry of Defence (MoD) has confirmed that it is continuing funding for a new diesel outboard engine for the Royal Navy’s rigid inflatable craft. Currently under development by Cox Powertrain, the prototype marine engine concept uses opposed pistons. It is part of a policy adopted by NATO countries for converting to heavy oil wherever possible, to simplify logistics and reduce the use of petrol at sea.  Read More

The Hot Tub Boat allows its passengers to soak while they cruise

Can’t decide between lounging in the hot tub or going boating? Well, why not do both? People in and around The Netherlands can already do so, in a HotTug. Now, North Americans can also get in on the action, with the Hot Tub Boat.  Read More

The world's first car-carrying electric ferry is scheduled to begin operations in Norway, ...

Presently, the Norwegian villages of Lavik and Oppedal are linked by a ferry that burns about a million liters (264,172 US gallons) of diesel a year, emitting 570 tonnes (628 tons) of carbon dioxide and 15 tonnes (16.5 tons) of nitrogen oxides. That’s about to change, however, as it’s slated to be replaced by what is claimed to be the world’s first all-electric car-carrying ferry. Developed by Siemens and Norwegian shipyard Fjellstrand, the vessel can recharge its batteries in just ten minutes.  Read More

The Azimut Grande 140 Trideck

Azimut Yachts, the Italian shipyard noted for luxury yachts, revealed its Azimut Grande 140 Trideck with a new Rolls Royce propulsion system at the 2012 Cannes Boat Show in September. With an overall length of 42 meters (138 ft) and displacement of 276 tons (280.4 tonnes), this is the largest Azimut Grande model ever built and is the first vessel to feature the Rolls Royce Carbon Azipull 65C propulsion system with fully steerable pods.  Read More

One of the test hulls, which had the electrochemical paint applied in select areas

Marine biofouling is the process in which organisms such as barnacles problematically colonize underwater surfaces. When it happens to the hulls of ships, the vessels become less hydrodynamic, having to burn more fuel in order to move through the water. Although hulls can be coated with paint that kills the offending organisms, that paint also releases toxic substances into the surrounding water. Now, however, scientists from Germany’s Fraunhofer Institute for Mechanics of Materials have developed a more environmentally-friendly paint, that uses electrolysis to control biofouling.  Read More

The Oru folding kayak should soon be heading into commercial production

Just a couple of months ago, we first heard about the Oru – a prototype touring kayak made from corrugated plastic, that can be folded up and carried like an art portfolio. Designer Anton Willis and his team have since launched a crowd-funding campaign that has already far exceeded its goal ... which means that the Oru should soon be available to buy.  Read More

Paul Larsen in the Vestas Sailrocket 2 records 59.38 knots (68.3 mph - 110 km/h) on Walvis...

NEWS FLASH - The outright world speed sailing record was smashed this afternoon (November 24) by Paul Larsen in the Vestas Sailrocket 2 with the astonishing time of 65.45 knots. It's the third time in eight days that Larsen has piloted the Vestas Sailrocket to a new outright world record, raising the bar from 55.65 knots to 65.45 knots. It has been a spectacular week for sailing in general, with more than a dozen world speed sailing records broken at two different venues in Namibia. The outright speed sailing records for both 500 meters (initially 59.23 then 59.38 and now 65.45 kts) and one nautical mile (55.32 kts) were set in Walvis Bay by Australian Paul Larsen and the British-designed, inclined-rig hydrofoil Vestas SailRocket 2. Simultaneously, 600 km away, the annual Luderitz Speed Challenge has seen nine world outright speed records for sailboards established in just a week, including surpassing 50 knots (92.6 km/h) and 60 mph (52.14 kts) on a sailboard. The breaking of world records is almost certain to continue over the coming weeks, with Larsen now seemingly capable of pushing the outright record within reach of the 70 knot barrier and the now legendary Luderitz Speed Challenge continuing until December 16, with kiteboarders joining the event on December 3.  Read More

U-Boat Worx has launched its new C-Explorer 5 model

Dutch submarine manufacturer U-Boat Worx has been developing it over the past two years, but this September at the 22nd Monaco Yacht Show, it was finally launched – the C-Explorer 5, which the company describes as “the world’s first subsea limousine.”  Read More

US Navy divers with a practice mine

Clearing explosives is a major operation and removing the deadly residue of over a century of warfare is a never ending task. The problem is that before you can remove explosives you have to find them. That isn’t always easy – especially underwater, so Australia’s Commonwealth Scientific and Industrial Research Organisation (CSIRO) has developed a new sensor that uses high-temperature planar gradiometers to seek out explosives in the sea.  Read More

The Aquarius Eco Ship concept based on the EnergySail technology that uses solar panels em...

In the 400 years or so leading up to the adoption of steam power in the 19th century, sailing ships ruled the waves. In an effort to cut increasing fuel costs and reduce emissions, sails are set to once again prove their worth. But unlike the sails proposed by B9 Shipping and the Wind Challenger Project, Japan-based Eco Marine Power (EMP) is developing sails with an even more modern twist. Rather than just harnessing the power of the wind, EMP’s EnergySail can be fitted with solar panels to also harness solar power.  Read More

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