At the recent Monaco Yacht Show, a leading British yacht builder Sunseeker has revealed new Sunseeker 133 model. It will operate on a hybrid propulsion system developed jointly with Germany-based engines manufacturer MTU. Yacht Harbour discussed the future of hybrid propulsion engines with Darren Barnett, Marine Manager with MTU UK.
Where does MTU decision to focus on hybrid systems for yachts come from?
MTU has been an engine supplier for many years. The company is around 110 years old. Over that time, we have specialised in manufacturing and supplying light-weight and high-speed diesel engines.
Now the time has come, when we have to be more than just an engine supplier, since the power requirements on-board yachts are getting greater. Owners of yachts want to operate them in a different way. They do not want to travel fast - they want to travel comfortably, economically and efficiently.
Therefore, the best solution to that is to offer the system that can power the vessel in different ways. Thus, it would provide both propulsion and supply of all the consumes on-board, such as air conditioning, stabilisers and other hotel loads.
Is that right, that speed is not the major concern anymore?
Yes, that is what we say. So it is not all about having the largest, most powerful engines. It is about being able to offer better experience on-board, whilst the customers spend their leisure time there.
Sunseeker CEO Andrea Frabetti and Darren Barnett
What makes hybrid propulsion different from other engine systems?
Diesel engines will remain the core of propulsion systems for boats in the future. Nonetheless, what we are doing is offering systems that can power a vessel using batteries, for example. We also deploy generators to provide power for not only propulsion, but also for conventional power needs on-board.
Actually, the way all of that is linked together is a clever part, because the hybrid system itself is greater than the sum of all the components. You cannot just select components and install them into the yacht. Apparently, they need to be integrated together, so that they operate seamlessly. We believe, that there is a great future in yachting for hybrid systems.
Our approach is that we will deliver the whole scope of supply. It means, not just the engine, not just a part of it but the whole system. Thus, we are also taking full responsibility for it. Customers want to have the knowledge that the complete system will be taken care of, because with complicated systems such as this one it can get difficult.
Currently, we are developing a hybrid system jointly with Sunseeker for the Sunseeker 133 yacht. And we are looking into a modular and serialised system, since we want to have a portfolio of components to select from, such as different diesel engines and several types of batteries and generators.
Do you think the hybrid propulsion system you are working on could be installed on other yacht models?
The ideas is, with Sunseeker we have the first or pilot installation. Therefore, at the moment we are working on the scope of supply for the Sunseeker 133. In the future, the basis we have developed with Sunseeker will be available for other yacht builders with different diesel engines, different batteries and different generators. It will be possible to customise the system for any particular yacht.
But is the system ready for installation yet?
We are still in the development phase, but we are close to finalizing the total scope of supply. Hopefully, Sunseeker soon will be able to begin construction of the 133 yacht with the hybrid system.
Then in the future, what do you think could be the largest size of a yacht to operate on hybrid propulsion?
The serialized system we are developing with Sunseeker is aimed more at the production yacht market. Naturally, much larger yachts have much more specific requirements. However, we have done it in the past and that is what we will continue to do in the future.
Operating as a custom service, we would develop a system to meet the customer’s requirements. That could be any size of yachts, up to the very largest ones. For instance, Sailing Yacht A operates on a kind of hybrid system, where MTU have supplied gensets.
Many builders now opt for more eco-friendly engines in general. Have you noticed raising environmental awareness among yachting clients?
Yes, definitely. Owners of yachts have realised that they probably could do something to more environmentally friendly. All the large yachts are the big consumers of power. What they could do, is raising awareness of where they can be more efficient. And it is obvious, that vessels running on diesels create emissions.
Alternatively, with a hybrid system, all those large vessels could operate in harbours using batteries. It is a great benefit, that it is emission-free and completely clean. The only problem with hybrid is that for the moment people do not understand what hybrid is. It is a long process, and we are trying to educate people, what the capabilities of that system are.
What is more, when a yacht is at anchor in a small bay and the owner of the yacht wants to swim around with family, they would not want a generator running with exhaust emissions coming on to the water. The environment would much nicer if there are no diesel engines running. We see it is a great benefit.
Madame Gu is a 99.00 m luxury motor yacht. She was built by Feadship in 2013. This week this majestic superyacht has been seen in Saint Tropez. With a beam of 16.50m and a draft of 4.60m, she has a steel hull and aluminium superstructure. This adds up to a gross tonnage of 2900 tones.Madame Gu is powered by MTU 20V 4000 M73 engines of 4,828hp each, capable of reaching a maximum speed of 24 knots and cruise at 22 knots.She can accommodate 12 guests in 6 cabins including a master stateroom and five guest cabins. Both, an interior and exterior design by Andrew Winch make up one of Holland’s largest yachts ever built. The superyacht a fully enclosed helicopter hangar with a Eurocopter Dauphin AS 365N3, which costs around US$ 9 million. Also, there are two 11-metre tenders and scuba gear as well as a beach club, gym, and jacuzzi on deck.
July 9, 2020
Lürssen shipyard delivered 180 metre superyacht Azzam in 2013. With such an impressive length, she is the largest privately owned superyacht in the world and held its title unchallenged for nearly seven years. With a beam of 20.8 m and a draft of 4.3 m, she has a steel hull and aluminum superstructure. This adds up to a gross tonnage of 13136 tons. Azzam is powered by engines of 23,500 hp each giving her a maximum speed of 30 knots.The all-white motor yacht can accommodate guests in cabins with an interior design by Christophe Leoni and an exterior design by Italian studio Nauta Design.Mario Pedol, co-founder of Nauta Design commented:Azzam features balanced, modern architecture composed of straight lines and proportional volumes, which are some of the main design principles of Nauta Design When we were called to participate in pitching for the exterior styling of this yacht we knew it would be the most demanding work of our career, defined by the strictest and most challenging requests in terms of dimensions, performances, and technology. What made us confident to be able to deal with such a challenge was the interpretation of the client’s brief. The best technology was required in order to obtain the highest performance possible.There is not much information about her interior design, but it’s not a secret that the interior layout includes an open-plan main saloon measuring 29 metres by 18 metres.Pedol said about it:We’ve had a lot of compliments for Azzam. They all talk about elegance and balance, that she doesn’t look as big as she is, and I think this is a good achievement.
July 9, 2020
Dutch shipyard Lynx Yachts is happy to announce the delivery of the 27.3-metre motor yacht Roe Shadow to her owner in the Netherlands after successful sea trials out on the North Sea.She is the second YXT 24 Evolution model by the shipyard with an all-Dutch design. The vessel’s naval architecture was created by Diana Yacht Design and her exterior design by Bernd Weel with a minimalistic Scandinavian interior by Darnet Design. The YXT 24 Evolution is a model developed with a clear objective: to deliver more for owners. Filippo Rossi, Lynx sales and marketing manager commented:We are very proud of this new vessel and want to express our special thanks to the whole team involved in the construction.In particular, we also want to thank the owner, his representative and ACP Surveyors, for the great cooperationduring the lockdown and this unprecedented period, we are all facing.There is an impressive 24-square-metre beach platform on the lower deck with direct access to the sea. The 100-inch outdoor screen gives opportunities for amazing movie nights or sporting events. The versatility of this yacht makes it easy to stow whatever an owner wants.The 24-square-metre main deck offers 9.8 metre Pascoe beach lander, two Sea Doos, and a knuckle boom crane with a load capacity of 3.930 tonnes.She is powered by two 800hp MAN engines and has a cruising speed of 12 knots and a top speed of 13 knots.
July 9, 2020
An exceptionally spacious 61 m luxury motor yacht, Lady Kathryn V was built by famous German shipyard Lurssen and delivered in 2011. The yacht with a defining racing-red stripe along her hull has the exterior design by the renowned Espen Øino. Her classical and elegant interiors were created by Adam Lay Studio to a unique nautical theme: stripes in blue and whites, complemented by rich woods, give her a classic look and feel.Most impressive areas on Lady Kathryn V include the sunbathing area, enabling views far out to the sea from the sunpads. There’s even a private golf driving range. Additionally, she features a full gym and a water toy box. Lady Kathryn V has two sea kayaks, two stand up paddleboards, two jet ski’s, two seabobs, inflatable tubes, water skis, wakeboards, and two 23′ tenders.With a beam of 11.4 m and a draft of 3.6 m, she has a steel hull and aluminium superstructure. She is powered by Caterpillar engines of 1980 hp each giving her a maximum speed of 15.5 knots and a cruising speed of 12 knots. Lady Kathryn V's maximum range is estimated at 7000 nautical miles.The motor yacht can accommodate 12 guests in 6 cabins including a forward owner's suite complete with a sea terrace, with a crew of 14 members.
July 8, 2020
Aquila is a 85.6 m luxury motor yacht. Launched by Derecktor Shipyards in Bridgeport, Connecticut in 2010, she has recently undergone an extensive 12-month refit program. Aquila is designed by Tim Heywood with the traditional interior by Elizabeth Dalton of Dalton Designs. Now her original interiors were replaced by a new design courtesy of Redman Whitely Dixon. Tony Dixon, director at Redman Whitely Dixon, commented: We selected a mix of dark wood finishes, pale leather panels with nickel trim and many new special surface materials all interplaying together to offer subtle style variations throughout the interior.The interior was remodeled to ensure a smooth flow between each area, the installation has been carried out by German interior specialists Metrica.She is currently the largest private yacht ever constructed in the United States by volume and in 2016 she became the largest yacht ever refitted in the UK. The refit consisted of a complete revitalization of all five deck levels. Aquila was definitely reborn after such massive recondition at Falmouth-based shipyard Pendennis. The project team refurbished all of the social spaces, overhauling the technical systems, and renewing the interior of over 750 square metres.The yacht, owned by Charles and Diane Gallagher, has a beam of 14.3 m and a draft of 4.2 m. has a steel hull and aluminium superstructure. This adds up to a gross tonnage of 2998 tons. She is powered by MTU engines of 3306 hp each giving her a maximum speed of 18 knots and a cruising speed of 15 knots. During the refit, her four generators were completely rebuilt and other upgrades included new radar equipment, AV and IT systems, air conditioning, fresh air handling systems.The motor yacht, which can accommodate 14 guests in 7 cabins, how has got a brand new glass chandelier by Susan Young. With more than 850 pieces of hand-blown glass, this masterpiece centerpieces cascades 11.2 metres through four of Aquila’s five decks.Other improvements include a reconfiguration of the owner's suite together with a 60m2 private deck area and repositioning of the Jacuzzi to the forward deck. Their guests can also enjoy a movie on a 98-inch widescreen cinema store into a floating box to prevent sound and vibration emissions.For this expensive refit, Aquila has already won the Neptune for Best Refit at the World Superyacht Awards in 2017.
July 8, 2020