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This New Electric Sailing Yacht Can Charge Its Own Batteries While Cruising

The 49-footer can generate 3.5 kw of clean, green energy when sailing at speeds greater than 8 knots., rachel cormack.

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X-Yachts X49E Electric Sailing Yacht

It’s no easy feat to incorporate a next-gen electric propulsion system into an elegant sloop. X- Yachts appears to have pulled it off, though.

The Danish yacht maker, which has spent more than 40 years in the game, just launched a futuristic new sailing yacht that looks to be as stylish as it is sustainable. Christened the X49E , the 49-footer is the very first electric sailboat to be made by the yard.

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The 12-ton newcomer is based on the existing X49 model , but eschews the traditional diesel engines in favor of two of Oceanvolt’s 10 kW electric motors. The pods are mounted on each side of the traditional engine compartment, below the aft cabin bunks. The space which used to hold the engines now houses a 28.8 kWh lithium battery bank and an onboard DC generator with a capacity of 11 kW.

X-Yachts X49E Electric Sailing Yacht

The X49E’s solar panels generate energy to power the hotel load.  X-Yachts

Range with pure electric power depends on the boat speed, wind and sea state, but X-Yachts estimates in calm conditions the yacht can travel 22.7 nautical miles at 5 knots. Of course, the diesel generator can be used to run the boat if more range is required.

X49E can also produce up to 3.5 kW when sailing at speeds greater than 8 knots. That means if you sail for roughly eight hours, the batteries will charge from empty to full. The best part is the “full tank” is 100 percent green and free of cost.

To top it off, the X49E is fitted with solar panels that will generate clean energy to power the hotel load. That is the lights, navigation systems, appliances and so on.

X-Yachts X49E Electric Sailing Yacht

The first hull was built for a discerning yachtsman.  X-Yachts

”We didn’t want to be first movers on this area, but preferred to wait until technology and knowledge had matured properly”, Kraen Nielsen, CEO of X-Yachts, said in a statement . “And I’m really happy to say that the time finally is right to present the first X-Yacht with electric propulsion.”

The first hull was built for discerning yachtsman John Haurum, who has a passion for sailing both recreationally and in competition.

“My plans for the X49 are primarily to use it for long-distance cruising, but it has also been specified with performance sailing in mind and I intend to participate in challenges like Around Denmark Race and, eventually, the ARC Cross Atlantic,” Haurum adds.

Looks like you’ll see the X49E tearing it up on the ocean before too long.

Rachel Cormack is a digital editor at Robb Report. She cut her teeth writing for HuffPost, Concrete Playground, and several other online publications in Australia, before moving to New York at the…

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MEET THE FIRST X-YACHT WITH ELECTRIC PROPULSION

MEET THE FIRST X-YACHT WITH ELECTRIC PROPULSION

”We didn’t want to be first movers on this area, but preferred to wait until technology and knowledge had matured properly” ”And I’m really happy to say that the time finally is right to present the first X-Yacht with electric propulsion.” – Kræn Nielsen, CEO of X-Yachts

x yachts electric

The propulsion system in the new X4⁹E is delivered by Finnish Oceanvolt, probably the world leader in electric propulsion systems for yachts. The new X49E will now undergo extensive sea trials, before sailing Garmin Round Danmark Race on the 15th of June.

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Read the full press release here:  bit.ly/3Qe8thl

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Meet the first X-Yacht with electric propulsion

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The X-Yachts X49E electric sailboat can cruise and charge its batteries simultaneously

Danish yacht maker X-Yachts have revealed their X49E electric sailboat, a 12-ton, 49-footer that’s based on their existing X49 model and utilizes two electric motors developed by the world leader in yacht propulsion systems, Oceanvolt. X-Yachts have blended both luxury and sustainability in their next-gen sailboat.

Under the bunks in the aft cabin of the X-Yachts X49E electric sailboat are pods mounted on both sides of the conventional engine compartment. A LifePo4 28.8 kWh lithium battery bank, a 11 kW Fischer Panda onboard DC generator, BMS, and controllers now occupy the area where the engines formerly were on the X49. The dual-engines are designed to achieve greater power and increased safety.

According to X-Yachts, they estimated that the X49E electric sailboat can travel 22.7 nautical miles at 5 knots in calm conditions. If more range is needed, its diesel generator can be used. When sailing, the propellers can be used to power the electric propulsion system. Additionally, the X49E may generate up to 3.5 kW while traveling higher than 8 knots. This would result in a free, fully charged battery after eight hours of sail.

X49E electric sailboat

“We didn’t want to be first movers on this area, but preferred to wait until technology and knowledge had matured properly”, said CEO of X-Yachts, Kraen Nielsen. “And I’m really happy to say that the time finally is right to present the first X-Yacht with electric propulsion.”

Before sailing in the Garmin Round Denmark Race, the new X-Yachts X49E electric sailboat will now undergo sea trials. For more information on the X49E, check out the full press release here .

X-Yachts X49E

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‘Electric yacht propulsion opens doors to a completely different way of thinking about sailing’

  • Rupert Holmes
  • April 23, 2024

Sailing with electric propulsion is very different to doing so with a diesel engine and may cause you to reconsider your diesel usage. Rupert Holmes reports

x yachts electric

Electric propulsion is rapidly becoming established in the mainstream yacht market. This is increasingly driven by customer demand, often by people who own electric or plug-in hybrid cars and are more than happy with the balance between their advantages and shortcomings.

In my role testing new yachts I’ve sailed an increasing number of boats with electric and hybrid propulsion over the past six years, ranging from lightweight daysailers through smaller cruising yachts to heavy aluminium bluewater cruisers and large cruising catamarans .

I quickly discovered that electric yacht propulsion opens doors to completely different ways of thinking to the diesel engines we’re accustomed to using, especially when motor sailing.

Throttling back

Many diesel powered yachts carry enough fuel for the rate of consumption to never be a worry. However, the further you voyage the greater the chances you’ll opt to throttle back to extend range. It’s incredibly easy to underestimate the dramatic effect this has on energy use, whatever type of fuel is used.

The wave making resistance of a hull increases exponentially at speeds above 1x the square root of the effective waterline length in feet. It therefore takes three times more energy to push a boat with a 36ft (10.9m) waterline at 8 knots than at 6 knots.

x yachts electric

Accurate monitoring of electric systems.

Additional efficiencies can be gained by throttling back further. As with air resistance when driving on a motorway, frictional resistance of the water on the hull varies with the square of boat speed. Reducing the speed of a 36-footer from 6 knots to 5 reduces total energy consumed by roughly a further 30%. At 5 knots it therefore requires less than a quarter of the energy needed to push it at hull speed of 8 knots.

This helps explain why many boats with electric propulsion appear to have relatively small battery banks. The same is also true of a Tesla – a Model S with 500kW of propulsion power may have an 80kW battery, yet the car doesn’t run out of power after less than 15 minutes – its range is over 300 miles.

As with a boat, most of the time only a small proportion of the potential power is being used. With a Tesla it’s on tap to provide supercar levels of acceleration for less than five seconds, while on a boat it’s there for manoeuvring and for punching head seas for short periods, such as leaving harbour or rounding choppy headlands in strong wind over tide conditions.

Article continues below…

Modern reaching and downwind sails have revolutionised the sail area it’s feasible for a lightly crewed cruising yacht to carry in light airs. When using a dedicated reaching sail, such as a Code 0, many yachts can now sail at close to the true wind speed in breezes of 4-8 knots. These sails are just as relevant to older cruising yachts and heavy displacement new designs as to very light, high performance craft.

This ability to maintain speed under sail reduces the amount of time spent under power while on passage and therefore effectively increases range, whether you’re using diesel or electric propulsion. In the case of the latter, most electric propulsion systems also have a regeneration function, capable of putting significant amounts of power back into the battery bank while under sail.

x yachts electric

Well managed solar and hydrogeneration power on the electric Windelo Adventure 50. Photo: Andreas Lindlahr/EYOTY

The power these produce also increases exponentially as boat speed rises. In lighter airs this can make gybing wide angles to increase apparent wind when sailing downwind an important strategy. If doing so increases boat speed from 5 to 7 knots, for instance, the rate of charge doubles, which helps explain why some all-electric yachts can work as long-distance cruisers.

Depending on the boat, in less than 10 knots of true wind optimal downwind VMG is likely to be found at true wind angles of around 135°-140°. This means you’re sailing 30% further, but expecting the increase in speed to be larger than that figure.

Motor sailing with electric power is very different to doing so with a diesel engine. Unlike a diesel, electric motors can be used to give just a small extra push that helps increase apparent wind in a virtuous circle. When I tested a hybrid Ovni 430, for instance, reaching in less than 4 knots of true wind with mainsail and Code 0 just 3.3kW of push from the electric motor – less than 14% of its rated output – was enough to double boat speed from 2.2 to 4.5 knots. By contrast, 11kW is needed for the boat to maintain a 6.8 knot cruising speed under power alone.

x yachts electric

The onboard power system of a Windelo Adventure 50. Photo: Andreas Lindlahr/EYOTY

Nevertheless, making good progress towards a downwind destination can be notoriously difficult so a big asymmetric spinnaker designed for downwind VMG angles is a huge advantage. Unlike a race sail this doesn’t need to be made of super light material – regular 0.75oz, or even a more robust 0.9oz cloth, works well.

Even then it’s not impossible to imagine a scenario in which an all electric long-distance cruising yacht without a back-up generator might reach back and forth with the Code 0 in very light airs just to generate enough electricity to keep the freezer cold.

But that may not be as much of an absurd idea as it initially sounds. When racing offshore we often use a similar strategy in a near calm, having first identified where the next new (stronger) breeze will be found. Instead of aiming solely to reduce the distance sailed, this is usually a faster way to get downwind in very light airs than pointing directly at the next waypoint and is a strategy cruisers can also employ to good effect.

Into the wind

The other situation in which motor sailing is common is to improve progress when close-hauled. In light airs a small push using electric propulsion can again be used to boost speed without a big power drain. However, the situation is very different when punching a big head sea in strong winds, when a considerable amount of power may be needed.

x yachts electric

Clean and compact electric propulsion unit in an X-Yachts Xc 47. Photo: Ludovic Fruchaud/imacis.fr

This is arguably a weakness of electric propulsion, other than in yachts with large range-extending generators. It’s a much smaller problem for designs that sail efficiently to windward and have quality sails that maintain their shape even in gusts than for those that tack through big angles and have badly stretched Dacron sails.

The extent to which getting in and out of harbour and manoeuvring in port typically depletes the battery of course varies in different places. There’s a big difference between a marina berth a few hundred metres from open water and those that are a long slog up miles of tidal estuary.

Last autumn I checked out two yachts weighing 8.8 and 15 tonnes respectively in this respect: the Bestevaer 36 in La Rochelle and an Xc 47 at Port Ginesta near Barcelona. With the former we had no need to use more than 2kW of the 11kW of available power at any time while entering port and manoeuvring, while average consumption was closer to 500W. This reflected time manoeuvring at slow speed in a confined space, handing sails and preparing fenders and lines.

Manoeuvring the Xc 47 in harbour, holding station against a 15-knot headwind while we sorted lines and fenders, used only 300-500W of propulsion power, despite the boat’s high topsides and we could have done that for 100 hours before depleting the battery bank.

x yachts electric

Motor sailing can be an efficient use of electrical power. Photo: Ludovic Fruchaud/imacis.fr

Is electric propulsion always greener?

There’s no one-size-fits-all strategy for the most sustainable solution for a yacht’s auxiliary propulsion. The extra carbon emissions associated with manufacturing an electric car is often offset within 15,000 miles thanks to their impressive efficiency compared to internal combustion engine vehicles.

However a recent well publicised ICOMIA report found privately owned sailing yachts clock up an average of only 24 engine hours annually, so the carbon footprint associated with producing the battery pack is never recovered.

The recommendation to minimise life cycle carbon emissions is therefore to use a second generation biofuel such as HVO, which is typically produced from biowaste material. These are very different to first generation biofuels, which were very hygroscopic and provided a fertile breeding ground for microorganisms that were prone to blocking fuel filters.

The equation is massively different for charter yachts and owners who spend considerable periods of time on board. An independent study commissioned by Fountaine-Pajot showed that 80% of the yard’s carbon emissions stem not from manufacturing processes, but from the use of its yachts during only the first 20 years of their life.

In this situation electric or hybrid propulsion is likely to make a very sustainable proposition.

Nevertheless, just as environmental considerations aren’t always a factor for owners of enormously powerful electric cars with 0-60mph acceleration times well under four seconds, a growing number of yacht buyers are opting for electric propulsion for reasons other than its apparent green credentials.

Benefits include quiet, odour-free running, space savings, reduced maintenance, the ability to recharge batteries – effectively refuelling while sailing using only the wind – and a huge amount of torque at low speeds that can make difficult manoeuvres in tight spaces a lot less daunting.

Key rules for sailing an electric boat

  • Don’t try to motor or motor sail too fast – trying to get close to hull speed takes an enormous amount of energy.
  • Good reaching and downwind sails help minimise the time spent under power, while maximising opportunities for regeneration while under way.
  • Don’t try to sail dead downwind in light airs – when true wind is under 10 knots a true wind angle around 135°-140° invariably gives better results.
  • Use the on-screen data to optimise boat speed and power consumption. Often only a very small push from the motor will result in a useful speed gain when motor sailing.

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A Closer Look at X-Yachts New X49E Electric Sailing Boat

X-Yachts New X49E Electric Sailing Boat

X-Yachts managed to accomplish what few yacht makers have done. The yacht maker has incorporated next-gen electric propulsion into an elegant sloop. X-Yachts’ yacht is a 49-footer futuristic yacht, and it is based on the X49 model. Instead of using the X49’s traditional diesel engines, it uses two Oceanvolt’s 10kW electric motors. Since this yacht is built with power in mind, it explains why this yacht is a hybrid-powered one. Other than the 10 kW electric motors, it is equipped with a lithium battery bank of 28.8 kWh and a DC generator with a restriction of 11 kW. Furthermore, the yacht’s hybrid concept is great for significant distance intersections, meaning you won’t be abandoned adrift. There is a lot more that can be said about this yacht. Here are other additional features about it below.

The Battery Bank

This yacht uses LifePo4 lithium batteries. According to X-Yachts , they have a higher available power reserve than traditional lead batteries. Due to the yacht’s high power reserve, you can sail as far as you like without worrying about running out of power. Its power reserve will depend on factors like sea state, boat speed, and wind. To further capitalize on the yacht’s long range, you can use its 11 kW diesel generator. As long as there is diesel on board, the yacht can run for a long time. A critical advantage of electrical propulsion is recovery. At the point when you sail with an electric drive framework, it produces power from the pivoting propellers. The X49E model can create up to 3.5 kW under sail (while cruising + 8 bunches). Subsequently, assuming you sail for something like 8 hours, you will charge the battery from void to full. Then again, driving with a motor will consume all the power without recovering it.

The yacht is spacious right from the entrance. As you get into the vessel, you will notice plenty of light and ventilation under the deck. For further comfort, the yacht has vacuum infusion technology on the hull construction, laminated teak handrails, a carbon frame over the keel, and the correct weight distribution of all the fittings. Then, the yacht has a 3-lodge design with two liberally measured WCs/showers. This yacht can comfortably accommodate six adults. However, according to X-Yachting , it can accommodate two more adults in the saloon area and two children or agile adults at the aft removable sea berths. Lastly, it has a standard full teak bathing platform that creates a perfect area for relaxing. Besides acting as a relaxing place, it offers easy access from the water or dinghy. The platform helps you to make the most of its swim stops or the short term visits to one of the perpetual safe ports of the Greek archipelago.

Most people think of the cockpit space on yachts as luxurious due to the vast space. However, the cockpit space also ensures safety by keeping the area uncluttered. Another safety measure within the vessel’s outdoor living is its deck shower which is fitted as standard. It has high backrests, which offer protection at sea, and a seating area that is comfortable, featuring fitted cockpit cushions. For the yacht’s exterior’s safety, it has a vacuum-mixed epoxy, full sandwich frame. It saves significant weight, in this manner boosting strength and solidness. The saved weight expands the yacht’s solidness which allows a more loosened-up time adrift. Another exterior safety feature is its galvanized steel frame. The frame is mounted to the hull’s inside and takes all the loads from the keel and mast. It, therefore, steady’s the yacht, keeping it strong and safe. According to Crossroads Galvanizing , galvanized steel is strong since it contains a thin zinc coating layer which protects the steel beneath it from rust. Additionally, for safety, the lead bulb features an encapsulated epoxy e-glass shell.

Techniques of Charging the Battery

Regardless of the technique you use to charge your battery, the recharging times range from 20-80% state of charge. The first technique involves charging the battery when you need to travel for long distances under power. In this instance, the generator will deliver all power (11 kW) to the two servoprops, with each running at 5.5 kW each. As a result, the yacht travels up to a speed of 6.7 knots without any wind or waves. Generally, the generator’s fuel consumption will be 3.8 liters per hour. Another case is when you need your battery bank to recharge while under generator power. That means you will have to decrease the servoprops power to a level lower than 5.5 kW each, e.g., to 4 kW. However, the generator will still deliver 11 kW (8 kW to the servoprops and 3 kW for recharging the battery bank). The vessel’s speed will be reduced to 6 knots, while the fuel consumption will remain at 3.8 liters per hour. After 10-12 hours, the battery bank will be recharged fully. Lastly, there is a case when you might need 15 NM miles for your destination. That means the crew must travel as fast as possible with a battery bank with 80% power to their destination under the engine. Assuming that both servoprops work at full power of 2 x 10 kW, the yacht will sail at a speed of 7.8 knots and take approximately 2 hours to reach the destination. Since the battery bank has 80% power, it will not have sufficient power to supply to the servoprops. In such a case, it becomes necessary to start the generator. The generator will deliver 11 kW to the servoprops, while the battery bank will deliver the remaining 9 kW, which means you will reach your destination with full power.

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Rossinavi launches first 43m hybrid-electric catamaran Seawolf X

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Rossinavi has launched its "most innovative project" to date, a 42.8-metre hybrid-electric catamaran named Seawolf X . Construction was first revealed to have begun at the Monaco Yacht Show 2022, with the concept itself unveiled during Miami Design Week in 2021.

Exterior design is by Fulvio De Simoni Yacht Design , marking the first project presented by the pair since the 49.1-metre Aurora in 2017. It also marks the first multihull project for the shipyard.

A key characteristic of the model is her three "performance scenarios". On one-day trips, Seawolf X can cruise in full-electric mode for 100 per cent of the time; on multi-day trips, she can cruise for 90 per cent; and on transatlantic trips, she can still cruise in electric mode for 80 per cent of the time. When the catamaran is moored, a "hibernation mode" activates for reduced consumption – with the energy generated able to be given back to the quay or to a private property. She can recharge at the shore in five hours and supplies enough energy to charge up an entire villa.

Rossinavi has also developed an onboard artificial intelligence system, called Rossinavi AI, to analyse the operation of the vessel, predict the needs of guests and communicate with the crew on "lower-impact behaviours" and "conscious cruising". The AI can also monitor the battery pack to keep it in a range of 20 to 80 per cent.

Her exterior is low-profiled and reminiscent of a sports car, with Fulvio De Simoni Yacht Design seeking "to liberate their minds from preconceptions" around catamaran design. The team also integrated solar panels into Seawolf X and addressed hull efficiency by developing "lightweight solutions", including an anchor installation that meets weight standards while enhancing aesthetics.

New York-based design firm Meyer Davis have created an interior that "complements the cutting-edge yacht to bring relaxed luxury and sustainable design to its forefront," the shipyard said. The decor takes inspiration from nature, in particular the sun, the sea and sand.

Leisure highlights include a convivial cockpit centred around a pool, an expansive sundeck with sunbathing and living spaces, and a bow area that features a hidden pool and convertible home theatre. Accommodation is for up to 10 guests in four cabins located in the hulls.

"After years of study and construction, it is now a source of satisfaction and pride for us to witness the launch of project Sea Cat, now Seawolf X , the first hybrid-electric multihull vessel," said Federico Rossi, COO of Rossinavi. "This yacht showcases remarkable technological innovations in both power management and propulsion technologies, marking the beginning of a new chapter in next-generation vessels."

Seawolf X also carries the BlUE label, the shipyard' "sustainable" design philosophy established in 2022. Inspired by phytoplankton, the BlUE fleet absorbs sunlight during the day and utilises photovoltaic technology to convert it into energy. This energy is stored in advanced batteries and released at night, creating a bioluminescent effect "akin to glowing plankton".

The catamaran sits below the 500GT threshold with a beam of 13.8 metres and a maximum draught of two metres.

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Rossinavi launch 43m hybrid-electric catamaran SEAWOLF X

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Written by Rachel Kelly

Rossinavi have launched 42.75m Sea Cat superyacht SEAWOLF X , designed by Fulvio De Simoni Yacht Design as a hydro-electric catamaran – the shipyard’s most innovative project to date. Originally revealed at the 2022 Monaco Yacht Show she is the first multi-hull project from Rossinavi.

Hybrid-electrical catamaran SEAWOLF X | image from Rossinavi

Hybrid-electrical catamaran SEAWOLF X | image from Rossinavi

Her eco credentials allow travel in three ‘performance modes’: full-electric mode for day cruises , 90 percent electric on multi-day trips and 80 percent on transatlantic journeys. Additionally, when she is moored, a “hibernation mode” activates which reduces consumption allowing generated energy to be given back to the quay or to a private property. She can recharge at the shore in five hours and supplies enough energy to charge up an entire villa.

There are yet more innovations on board including Rossinavi AI, an artificial intelligence system which analyses the vessels operations, predicts guests’ needs and communicates ‘lower-impact behaviours’ and ‘conscious cruising’ to the crew. The software can also monitor the battery pack to keep it within the optimal energy efficient range of 20 to 80 percent.

Superyacht SEAWOLF X | image from Rossinavi

Superyacht SEAWOLF X | image from Rossinavi

Designed to ‘liberate minds from preconceptions’ about catamaran construction, the team have created a low-profile exterior which resembles a sports car and is fitted with solar panels and lightweight solutions.

Outdoor living spans three distinct areas; a convivial cockpit centered around a pool, an expansive sundeck with sunbathing and living spaces, and an innovative bow area featuring a hidden pool and a convertible home theatre. New York-based design firm Meyer Davis have created an interior that “complements the cutting-edge yacht to bring relaxed luxury and sustainable design to its forefront,” the shipyard said. The decor takes inspiration from nature, in particular the sun, the sea and sand. Accommodation is for up to ten guests in four cabins across both hulls.

SEAWOLF X launches | image from Rossinavi

SEAWOLF X launches | image from Rossinavi

Luxury yacht SEAWOLF X carries the BluE label, which is the shipyard’s new sustainable philosophy that prioritises environmental impact in designs and is inspired by phytoplankton.

“This yacht showcases remarkable technological innovations in both power management and propulsion technologies, marking the beginning of a new chapter in next-generation vessels,” concluded Federico Rossi.

We look forward to seeing catamaran SEAWOLF X on her maiden voyage soon.

Please contact CharterWorld - the luxury yacht charter specialist - for more on superyacht news item "Rossinavi launch 43m hybrid-electric catamaran SEAWOLF X".

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Feadship superyacht PROJECT 821 launched – the world’s first hydrogen fuel-cell superyacht

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Royal Huisman’s 52m motor yacht PROJECT 402 christened SPECIAL ONE ahead of her sea trials

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Lurssen delivers 122m ultra-luxurious mega yacht KISMET available for charter in the Mediterranean and the Caribbean

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65m superyacht ETERNITY available for charter in the Caribbean

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electric hydrofoiling boat speeds along a river in Moscow

Classic look hydrofoiling electric boat debuts in Moscow

A team in Russia has developed this sleek hydrofoiling electric boat with a retro-tech classic runabout look, both inside and out.

The boat is called the Molniya – Russian for ‘lightning’ – and uses fixed surface piercing (SP) foils rather than the retractable inverted-T fully submerged (FS) type on boats like the Candela 7 .

The Molniya prototype was built by Artem Markov and a small team he assembled in Moscow. Markov is a graduate of the Moscow Automobile and Road Construction Institute, where he was part of their Formula MADI electric car racing team that competed against other universities from around the world.

Hydrofoiling electric boat idea started in 2016

Like many other electric boat developers he is also a long time sailor and says “ I have never been able to understand what is the beauty of going on motor boats with a lot of vibration and noise. So, I decided I wanted to find a way to transfer the silence and comfort of a sailing yacht to a boat. The idea came to me in 2016, and from that moment I started working on the project .”

He is a big fan of the work that the team at Candela has been doing, and is well versed in their reasonings of why hydrofoiling is the way to reduce drag and increase efficiency and comfort. So he knew foiling was the way to go and began to design his dream boat.

hydrofoiling electric boat has static foils on the hull close to the waterline

It is one thing to know exactly what one wants, but b udget realities quite often make inventors adapt. So he found a classic fibreglass-and-aluminum hull and went to work redesigning and converting it. The team had to strengthen and reinforce the hull to handle the stresses from the front foils. At the stern of the boat they designed  protruding half-wings that would help lift the boat onto those front SP foils as it accelerated.

80kW motor mounted to stern drive unit 

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That gives the 8.9 m • 29 ft boat a cruising speed of about 20 kts • 37 km/h and maximum speed of 36 kts • 66km/h. As for range, the Molniya can go for 135 Nautical miles at 5 kts, 17 Nm at 25 kts and 20 Nm at the top speed. 

For the battery, they have taken stock lithium-ion cells and developed the modules themselves. The size is 160kW and there are some creative and useful ideas incorporated into the charging and battery management systems. One is the ability to connect a warning system to a GPS route so if you are driving at a speed that is taking yo u beyond range of getting back to shore the motor will automatically slow down. When you do get back, a full 0-100% charge takes 3.5 hours and you can check status through SMS.

hydrofoiling electric boat has dashboard with wood steering wheel and gauges similar to a 1950s car interior

One of the intriguing things about the Molniya is that all of the electric boat technology has been incorporated into a striking overall retro look. The dashboard looks like it might have been taken from a 1950s luxury car catalogue, but of course the actual meters are all digital. The interior of the entire boat harkens back to an earlier day, appearing ready to whisk 6 passengers off to a swing era supper club.

From prototype to production

Having built and tested the prototype from an existing hull, the goal of Markov and the team is to move to production mode and use the materials he always envisioned in his dream boat. While the aluminum and fibreglass of the original have been useful for testing, speed and range will benefit from materials like much lighter carbon-kevlar.

hydrofoiling electric boat seen from above

The adapted stern drive was useful for proving the hydrofoiling electric boat concept, but all of the designers and engineers are keen to see the improved efficiency they will get from a motor, drive and battery system they have designed from scratch for the Molniya. As for the foils themselves, the production model will use lighter, thinner composites instead of stainless steel.

Obviously the spring and summer of 2020 has not provided the best opportunities to introduce the prototype at boat shows and stir up interest with consumers, the trade or investors. It seems, though that the Molniya is the type of boat that should appeal to peopl looking for the same thing Artem wanted for himself: a classic motor boat experience but one that is quiet, odour free…and smooth sailing.

You can find out more on the Molniya website, lightning-foil.com .

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rossinavi’s first hybrid-electric AI catamaran ‘M/Y seawolf X’ resembles a sports car on water

Rossinavi’s m/y seawolf x is a hybrid-electric ai catamaran.

For the first time, Rossinavi brings out a hybrid-electric catamaran named M/Y Seawolf X, powered by artificial intelligence . The Italian builder developed its own onboard artificial intelligence system called ‘Rossinavi AI’ which, as the company says, can learn from observation and predict the needs of the guests on board. It can help the crew members by advising them what to do to allow for conscious cruising and may lend a hand to the captain on what mode they should use in navigation or the current water situation.

The Rossinavi AI is believed to be able to monitor the hybrid-electric catamaran’s battery pack too, keeping it within the range of 20 and 80 percent so that its life can be extended. M/Y Seawolf X also prides itself on a long cruise, depending on the type of travel. On day trips, it can cruise in full electric mode. On multi-day trips, it can go on as an electric catamaran for 90 percent of the time, while 80 percent during transatlantic trips. When it goes into hibernation mode, it reduces its consumption to a minimum on its own.

Solar panels to generate green energy for cruising

Rossinavi’s first hybrid-electric catamaran, M/Y Seawolf X, also has solar panels, storing the energy captured from sunlight and returning it to the quay or private property where it is moored by powering or charging up equipment or even an entire villa. The hybrid-electric catamaran can be fully recharged at the shore power in only five hours. The water vehicle also comes with two diesel generators to quickly recharge the batteries. M/Y Seawolf X, and the other recent Rossinavi models, are propelled by batteries and solar panels that can operate in electric mode for day trips 100 percent of the time and sustain electric mode for 80 percent of the time on transatlantic voyages.

a hidden pool and a convertible home theater

Rossinavi taps Fulvio de Simoni Yacht Design for the exterior design and New York-based practice Meyer Davis Studio for the interiors of its first hybrid-electric catamaran, M/Y Seawolf X. Outside, the vessel exudes the look of a sports car. To achieve the style, a sleek and low-profile silhouette is applied, creating an illusion of the two giant wheels with a hollow body below when the guests view the catamaran from its front or rear.

Outside, the vessel has a sloping design, with its full-aluminum structure curving to mimic gentle waves. Stepping inside, Meyer Davis plants outdoor living on the electric yacht, spanning three distinct areas: a cockpit centered around a pool, an expansive sundeck with sunbathing and living spaces, and a bow area featuring a hidden pool and a convertible home theater. As of publishing the story, M/Y Seawolf X is Rossinavi’s first hybrid-electric AI catamaran.

aerial view of Rossinavi’s first hybrid-electric AI catamaran ‘M/Y Seawolf X’

project info:

name: M/Y Seawolf X

brand: Rossinavi

exterior design: Fulvio de Simoni Yacht Design

interior design: Meyer Davis Studio

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The ideal bluewater cruiser?

The Xc 47 marks the beginning of a completely new generation of XCruising. The concept is built on years of experience and a desire to accommodate the growing number of sailors looking for a true bluewater cruiser.

‘In short, Xc 47 is an elegant bluewater cruiser, built for safe and comfortable sailing on the oceans. Immense focus has been placed on the design to make shorthanded sailing safe and easy’, says Thomas Mielec, director of design & engineering at X-Yachts.

‘Many of our customers share a dream of heading off on a long cruise, often around the world. With this yacht, they will be ready and able to achieve this whenever the opportunity arises.

The ideal bluewater cruiser?

Shorthanded with ease and style

Most sailing today, even bluewater cruising, is performed with a small crew, with often just a couple of crew members, which the development team has kept in mind right from the outset of the design process. Some of the design features and functions have been seen before on other premium yachts, but on the Xc 47, they are executed with an unprecedented sense of style.

The cockpit layout has been designed to give the helmsman the capability of handling all lines. Four winches – two on each side, are positioned in front of the wheels. All relevant trim lines are led in channels under the deck from the mast to the steering position, with jammers reachable for the helmsman.

The traveller has been re-positioned from the cockpit to a position in front of the sprayhood. Apart from creating an efficient workspace, this cockpit arrangement leaves room for a comfortable living space, with the sail handling concentrated to the area at the helm station.

Near the transom, a large aft deck accommodates a comfortable full-width seating area behind the wheels, as well as a nice sunbathing area. As it should be on a true offshore yacht, the cockpit is deep, well protected, and with a closed transom.

Updated Xc design

The hull lines have maintained the deep V-shaped bow sections, generous rocker, and higher stern overhang from previous Xc models, providing the well-known comfortable seagoing characteristics. Furthermore, the aft of the Xc 47 has a modern, wider stern section, incorporating a subtle soft chine that provides extra form and stability, improved performance and more space in the aft cabins.

Updated Xc design

Carbon reinforced

The Xc 47 is built from a full vacuum infused epoxy/e-glass sandwich, together with our famous signature steel frame. Areas exposed to high loads are reinforced with carbon fiber, a part of making the yacht stronger without adding excess weight.

The first thing most people will notice when looking at the lines, is the shape of the superstructure. "We have introduced what we like to call a "semi deck saloon. This solution provides a better view of the surroundings, when under deck with more natural light, and an opportunity for multilevel floors." Says Thomas Mielec

To make sure the Xc 47 is capable of carrying provisions for long periods of time, the yacht has efficient storage volumes hidden behind the sturdy, yet elegantly crafted surfaces of the interior.

CEO Kræn Brinck Nielsen highlights, "Danish design and architecture are famous for clean and timeless style, and X-Yachts has always been a part of this tradition. X-Yacht owners often talk about a special X feeling, something that greets you every time you step on board. We know this feeling, and for us, it's a constant process to refine and enhance it each time. When looking at the Xc 47, l'm proud of how far we have come."

Interior

Cockpit features

The Xc 47 is designed with a safe, deep, closed cockpit with wide coamings with a great overview especially from the helming positions.

Steering wheels

The Steering wheels is increased from 90 cm to 100 cm in diameterand is in the same comfortable height as on the X5.6.

Dinghy & Davits

The transom door has an option of integrated davits with the new “easy launch” function.

Bowsprit design

Longer, wider and better integrated into the bow design. Option for integrated electric gennaker furler.

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Sail handling is controlled from the aft part of the cockpit. Haylards, reefing and control lines and sheets are led to the four standard self-tailing winches in front of the helming positions with the German mainsheet system operable from both sides.

Both the mainsheet and the genoa sheets are led through jammers, allowing you to easily free up a winch. The winches are arranged for optimal operation from the helming position when sailing shorthanded.

The low coaming aft of the wheels together with the foldable foot chocks ensure comfortable helming.

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Compared to the Xc 50, there is about 6 cm more space between the wheel and the aft cockpit locker, for better helming comfort.

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They have a capacity of 150 kg per davit and 200 kg in total. When the dinghy is hanging in the davits, there is a free view over it from the helming position, and when the dinghy is launched the davits can either lay on the bathing platform or be stored in the deep “step down” locker.

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Longer, wider and better integrated into the bow design. Option for integrated electric gennaker furler. Better launching of the anchor. Option for easily mountable bow ladder and hand rail for access over the bow.

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C1 3-Cabin Standard Layout

C2 2-cabin with utility room Layout

C2 2-cabin with utility room Layout

Extra freezing capacity & workshop space

Owners cabin with starboard seat option Layout

Owners cabin with starboard seat option Layout

Xc 47

Specification

​european yacht of the year, nominated 2024, xc 47 in the media.

Revista Mares - Nautical Magazine

December 2023

Revista Mares - Nautical Magazine

N&Y Magazine No. 70

November 2023

N&Y Magazine No. 70

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SEPTEMBER 2023

Seahorse Magazine

N&Y Magazine No. 65

FEBRUARY 2023

N&Y Magazine No. 65

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*All prices are exclusive of VAT and may be subject to other taxes in your country. Please contact your local dealer if you require further information.

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Red Lobster seeks bankruptcy protection days after closing dozens of restaurants

(AP) - Red Lobster, the casual dining chain that brought seafood to the masses with inventions like popcorn shrimp and “endless” seafood deals, has filed for Chapter 11 bankruptcy protection.

The 56-year-old chain made the filing late Sunday, days after shuttering dozens of restaurants.

“This restructuring is the best path forward for Red Lobster. It allows us to address several financial and operational challenges and emerge stronger and re-focused on our growth,” CEO Jonathan Tibus said. Tibus, a corporate restructuring expert, took the top post at the chain in March.

Red Lobster said its 600 restaurants would continue to operate through the bankruptcy proceedings, which are intended to simplify operations, close locations and pursue a sale. As part of the filing, Red Lobster entered into a so-called “stalking horse” agreement, meaning it plans to sell its business to an entity formed and controlled by its lenders.

According to court filings, Red Lobster has 551 U.S. restaurants, 27 restaurants in Canada and 27 franchised locations in Mexico, Japan, Ecuador and Thailand. The company said it has 36,000 employees in the U.S. and Canada.

Aaron Allen, the founder of restaurant consulting firm Aaron Allen & Associates, said Monday that the bankruptcy was the culmination of two decades of trouble at Red Lobster, which has struggled with increasing competition from faster, cheaper chains like Chipotle and Panera.

Sometimes, Red Lobster would lower its prices to compete, a move that was often disastrous. In 2003, the company lost millions of dollars on an all-you-can-eat “Endless Crab” promotion when crab prices rose, Allen said. Twenty years later, the chain did the same thing with an “Ultimate Endless Shrimp” promotion.

“The fact that they would have this kind of corporate amnesia is a fascinating case study in corporate food service,” Allen said.

He said Red Lobster had more success in the mid-2000s, when it repositioned itself as an upscale restaurant . It raised prices and renovated stores. But it still struggled with rising lease and labor costs and changing consumer tastes .

“This slow-moving train wreck has been in motion for 20 years now,” Allen said.

Orlando, Florida-based Red Lobster said in court filings that its annual guest counts were down 30% from 2019. The chain lost $76 million in 2023.

The chain was founded by Bill Darden, who wanted to make seafood restaurants more accessible and affordable for families.

Darden got his start in the restaurant business in Waycross, Georgia, in 1938, when he opened The Green Frog. He boldly refused to segregate the restaurant’s patrons by race, which went against state laws at the time. When he opened the first Red Lobster near Orlando in 1968, he again invited customers to sit anywhere they chose.

Darden sold Red Lobster to General Mills in 1970, and he continued to run restaurants as a General Mills executive. General Mills later went on to form Darden Restaurants, which owns Olive Garden and other chains. Darden Restaurants was spun off from General Mills in 1995.

Red Lobster had legions of fans for dishes like lobster linguini and its buttery Cheddar Bay biscuits.

“There is no one of-woman-born who does not like Red Lobster cheddar biscuits. Anyone who claims otherwise is a liar and a Socialist,” comedian and actress Tina Fey wrote in her memoir “Bossypants.”

But the restaurant had trouble keeping up with competitors and bringing in younger customers. Darden Restaurants sold Red Lobster to a private equity firm in 2014. Thai Union Group , one of the world’s largest seafood suppliers, first invested in Red Lobster in 2016 and upped its stake in 2020.

Then last fall, Red Lobster lost millions of dollars on its “Ultimate Endless Shrimp” promotion, which charged $20 for all-you-can-eat shrimp deal.

“We knew the price was cheap, but the idea was to bring more traffic in the restaurants,” Ludovic Garnier, the chief financial officer of Thai Union Group, said in an earnings call with investors.

Garnier said the deal did work, and restaurant traffic increased. But more guests opted for the $20 deal than Red Lobster expected, and “we don’t earn a lot of money at $20,” he said. For the first nine months of 2023, Thai Union Group reported a $19 million loss from Red Lobster.

In January, Thai Union Group announced its intention to exit its minority investment in Red Lobster. CEO Thiraphong Chansiri said the COVID-19 pandemic, industry headwinds and rising operating costs had hit the dining chain hard and caused “prolonged negative financial contributions to Thai Union and its shareholders.”

Restaurant liquidator TAGeX Brands announced last week that it would be auctioning off the equipment of over 50 Red Lobster locations that were recently closed. The store closures span across more than 20 states — reducing Red Lobster’s presence in cities like Denver, San Antonio, Indianapolis and Sacramento, California.

Allen expects Red Lobster’s restaurant footprint to shrink by one-third to one-half as part of the bankruptcy process. Many potential buyers just want the chain’s real estate, Allen said.

“Most likely whoever buys it is not going to want to fix up Red Lobster,” he said.

Red Lobster said in the court filing that it has more than 100,000 creditors and estimated assets between $1 billion and $10 billion. The company’s estimated liabilities are between $1 billion and $10 billion.

Copyright 2024 The Associated Press. All rights reserved.

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Ukraine war latest: Armed ship destroyed in Crimea, Kyiv says; controversial US television host launches show in Russia

Ukraine says it hit and destroyed the Russian missile ship Tsiklon in Crimea over the weekend. Meanwhile, analysts say Moscow is seeking to draw out Kyiv's forces - as Putin makes another significant change to his cabinet.

Wednesday 22 May 2024 14:47, UK

Ukrainian servicemen patrol an area heavily damaged by Russian military strikes, amid Russia's attack on Ukraine, in the town of Orikhiv in Zaporizhzhia region, Ukraine May 20, 2024. REUTERS/Stringer

  • Kyiv claims it has destroyed last Russian warship armed with cruise missiles in Crimea
  • Tucker Carlson launches new show in Russia
  • Putin sacks minister in new sign of shift in war strategy
  • European country now pushing to let Ukraine strike deep into Russia with Western weapons
  • Russia using 'understaffed and incohesive forces' in bid to draw out Ukrainian troops
  • Big picture: What you need to know as war enters new week

As we've not been providing rolling coverage of the war in Ukraine today, here is a quick update on what's been happening since this morning. 

One of the most significant new stories is the UK accusing China of providing or preparing to provide lethal aid to Russia for use in the war against Ukraine. 

Defence Secretary Grant Shapps told a news conference this morning that US and British defence intelligence had evidence "lethal aid is now, or will be, flowing from China to Russia and into Ukraine".

He called this a "significant development".

We also heard from the Kremlin this morning, which said "in-depth dialogue" was needed to reduce rising tensions between Russia and the West - particularly with regards to nuclear issues. 

Kremlin spokesperson Dmitry Peskov accused the "collective West" of refusing to engage with Russia despite the potential dangers. 

Here are more of the top stories: 

  • Russian forces have taken over the village of Klishchiivka in Ukraine's eastern Donetsk region, close to the city of Bakhmut, according to Russian news agencies 
  • At least nine people have been injured in a Russian air attack on the Ukrainian city of Kharkiv
  • Russia accused Ukraine of using a drone to attack a non-nuclear facility at the Zaporizhzhia nuclear plant, causing no critical damage
  • Moscow said it is bolstering its efforts to protect its energy infrastructure from drone attacks
  • Six children were handed over to Ukraine by Russia and reunited with their families, after a deal was brokered by Qatar. 

We're pausing our coverage of the Ukraine war for the moment.

Scroll through the blog below to catch up on today's developments.

Vladimir Putin has praised the late president of Iran, Ebrahim Raisi, and said he was a "reliable partner".

Raisi was killed in a helicopter crash near the Azerbaijan border over the weekend along with his foreign minister and seven others.

Speaking on the leader, Mr Putin said he was "a man of his word" who carried out any agreements the pair made.

"He was truly a reliable partner, a man sure of himself, who acted in the national interest," Russian news agencies quoted Mr Putin as telling Vyacheslav Volodin, chairman of Russia's lower house of parliament.

"He was, of course, a man of his word and it was always good to work with him. What I mean is if we came to an agreement on something, you could be sure the agreement was carried out."

The Kremlin leader asked Mr Volodin, who will be attending memorial events in Iran, to pass on "words of our sincere condolences in connection with this tragedy".

Since the start of the war in Ukraine, Russia has strengthened political, trade and military ties with Iran in a deepening relationship that the US and Israel view with concern.

Heavy fighting in the Pokrovsk area in eastern Ukraine has forced Ukrainian troops to engage in "manoeuvres," the Ukrainian military's general staff have said.

Their report said Pokrovsk, northwest of the Russian-held city of Donetsk, remains the front's "hottest" sector.

"In some areas, the situation requires our troops to engage in manoeuvres," the general staff report reads.

Volodymyr Zelenskyy has referred to the region and adjacent areas as "extraordinarily difficult" in his nightly video address.

Volodymyr Zelenskyy has said allies are taking too long when it comes to decisions on military support for Ukraine.

In an interview with Reuters, the Ukrainian leader said every decision which everyone came to was "late by around one year".

"But it is what it is: one big step forward, but before that two steps back. So we need to change the paradigm a little bit," he said.

"When we're quick, they fall behind. And then there's a gap - six, eight months of unpassed (aid) packages, and then two-three months of supplies - and a year goes by. We would like not to lose the advantage."

Mr Zelenskyy also said Ukraine had never used Western weapons on Russian territory.

A senior Russian diplomat has said that the EU plan to channel profits from frozen Russian assets to Ukraine would have "unpredictable" consequences, according to the TASS news agency.

According to TASS, Kirill Logvinov, Russia's acting permanent representative to the EU in Brussels, told Russia journalists: "The only predictable thing is that those in the EU will be obliged sooner or later to return to our country what has been stolen."

For context : In March the European Commission proposed transferring to Ukraine profits generated by Russian central bank assets frozen in Europe.

The plan would see 90% channeled through the European Peace Facility fund to buy weapons for Ukraine. 

The rest would be used for recovery and reconstruction.

Russia's defence ministry has said it has begun a round of drills involving tactical nuclear weapons. 

The exercises were announced by Russian authorities this month in response to remarks by senior Western officials about the possibility of deeper involvement in the war in Ukraine.

It was the first time Russia has publicly announced drills involving tactical nuclear weapons, although its strategic nuclear forces regularly hold exercises.

According to the ministry's statement, the first stage of the new drills include nuclear-capable Kinzhal and Iskander missiles.

The maneuvers are taking place in the southern military district, which consists of Russian regions in the south.

A Moscow court has ordered a Russian journalist who covered the trials of the late Russian opposition politician Alexei Navalny and other dissidents must  remain in custody pending an investigation and trial on charges of extremism.

Antonina Favorskaya was arrested in March. 

She is accused of collecting material, producing and editing videos and publications for Navalny's Foundation for Fighting Corruption, which had been outlawed as extremist by Russian authorities, according to court officials.

Today, Moscow's Basmanny district court ordered that she remain in custody until at least 3 August.

Kira Yarmysh, Navalny's spokeswoman, said earlier that Ms Favorskaya did not publish anything on the foundation's platforms and suggested that Russian authorities have targeted her because she was doing her job as a journalist.

Former Fox News presenter Tucker Carlson has launched his own show in Russia.

The controversial US media personality, who this year became the first Western journalist to interview Vladimir Putin since Russia invaded Ukraine, will host his show on the state-owned Russia 24 (Rossiya 24).

In the first episode, Carlson will discuss the dangers of ticks and Lyme disease.

Who is Carlson?

Carlson, who has been a vocal supporter of Mr Putin in the past, was sacked from Fox News in April last year.

He took up the prime-time weekday evenings spot on Fox News in 2016 with his show Tucker Carlson Tonight, and quickly established himself as a key player in the network and an influential voice in Republican politics.

The presenter often embraced conspiracy theories and far-right issues. He repeatedly questioned the efficacy of COVID vaccines and compared mandates to "Nazi experiments".

While he found success with viewers, his inflammatory comments caused some advertisers to distance themselves from the programme.

After his departure from Fox News he rebooted his show on X last year, calling Elon Musk's site the last big remaining platform to allow free speech.

Ukraine says it has destroyed the last Russian warship armed with cruise missiles that was stationed on the occupied peninsula of Crimea.

It comes after we reported earlier comments by Ukraine's military, which said they had hit the Russian missile ship Tsiklon (see post at 3.09pm).

Ukraine's military reported conducting a long-range attack that destroyed the Russian minesweeping navy vessel on Sunday and said it needed more time to confirm what else had been damaged.

"According to updated information, the Ukrainian defence forces hit a Russian project 22800 Tsiklon missile ship in Sevastopol, on the night of 19 May," the general staff said today.

The Ukrainian navy later said on X that the vessel had been "destroyed".

Ukrainian navy spokesperson Dmytro Pletenchuk said the Tsiklon was Russia's "last cruise missile carrier" based on the peninsula.

Tsiklon never fired a cruise missile while on active service, Mr Pletenchuk said in televised comments.

Crimea was annexed by Russia in 2014 and is home to Russia's Black Sea Fleet headquarters at Sevastopol.

The Russian defence ministry has not commented.

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