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84m hybrid Feadship Obsidian delivered

Feadship 's 84.2-metre superyacht Obsidian has been delivered after outperforming expectations on sea trials in the North Sea. The project is the newest hybrid vessel to emerge from the Dutch shipyard and the first in a new generation of reduced-emission vessels.

Formerly known as Project 710, the yacht has a futuristic exterior look designed by RWD in collaboration with MONK Design and is equipped with biofuel generators. As part of Feadship's mission to produce more sustainably-focused yachts, the new project uses second-generation biodiesel (HVO) in its generators, which aims to reduce carbon emissions by up to 90 per cent compared to conventional yachts operating on fossil fuels.

The brief for Obsidian was to be more energy efficient and emit less carbon than Feadship’s first hybrid yacht, Savannah , which launched in 2015. Obsidian has 4.5 times more electrical storage capacity than Savannah with no drive shafts and no rudders, which means a significant reduction in drag. Electric drive and steering are through a pair of electric Veth contra-rotating thrusters that have been optimised for maximum efficiency and minimal vibration, dampening vibration being another key component of the brief.

One of the coolest design features is an "Aqua Lounge" with large windows below sea level, similar to the Nemo lounge on Savannah , and an asymmetrical atrium staircase leading to a lower deck dining saloon, where a wall opens to reveal a terrace that sits just 75 centimetres above sea level.

According to the shipyard, "most of the corridors and many of the rooms, as well as all of the al fresco living spaces, are not oriented on a fore and aft or athwartships axis. In fact, except for staterooms, none of the interior rooms have any 90-degree angles." This is evident by looking at the asymmetric stern where a swimming pool sits diagonally behind smoked glass.

The use of submarine anchors eliminates the need for a mooring deck forward and allows Obsidian to have a bow observation lounge with double curved glass floor-to-ceiling windows.

Powering it all is a 4.5 MWh battery bank that is charged by four generators — two larger and two smaller variable speed units based on tweaked CatC32 engines with permanent magnet alternators that deliver power as needed. Where Savannah and Lonian operated on 560 volts, the DC system on Obsidian has a 1,000-volt system because the yacht is fully powered by electricity. Obsidian should be able to cruise for 35 nautical miles at 10 knots on batteries alone and at anchor, the batteries will provide silent operation for 10-15 hours.

In testing, it was revealed that 60 per cent of the energy goes to the hotel load, which was corrected through peak load shaving, reducing HVAC demand and an improved waste heat recovery system that captures heat from the generators and AC chillers through a newly engineered heat pump system. “There are so many points of energy savings integrated on this yacht that it is hard to count,” said project manager Mark Jansen.

Using the Yacht Environmental Transparency Index (YETI) for guidance, it is estimated that Obsidian will operate with 27 per cent less total environmental impact than a yacht of similar size launched only five years ago if run on fossil fuel, and 60 per cent less when using HVO.

Beyond the technology, weight saving was a key component. For example, the louvred aft deck overhangs might at first appear a styling choice but they are all carbon fibre attached to the aluminium superstructure and require no support pillars. The results are threefold with a reduction in weight, the ability to offer new deck layout possibilities and unimpeded views.

Both of the yacht’s primary tenders are electric-powered and custom-made by Tenderworks. Four fast charging stations will allow them to be charged in the water or in the tender garage.

Construction on the new build began in 2020 she is now the 17th largest yacht delivered by the shipyard and the 17th collaboration between RWD and Feadship, following work on the 96.5-metre Faith and 71.1-metre Juice .

The delivery of Obsidian marks a significant step towards the shipyard's goal of carbon-neutral superyachts by 2030.

According to BOATPro , Feadship has 16 projects in build, including its future flagship 118-metre Project 1010 , which was seen on sea trials last year. Including 1010 and 710, the yard is also expected to deliver Project 822 and Project 823 this year.

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Obsidian: Feadship’s first delivery of 2023 raises the bar on carbon reduction

Feadship is another step closer to the goal of producing carbon-neutral superyachts by 2030. The recently built 84.20-metre Obsidian is the first of Feadship’s new generation of large yachts furthering carbon reduction through hulls optimised at cruising speed instead of top speed, weight control, advancements in electric propulsion, and the ability to run engines on non-fossil diesel fuel called HVO. In fact, the yacht's trials were conducted with the generators running on this second-generation biofuel, reducing carbon emissions by 90% compared to yachts operating on fossil fuels.

The brief for the yacht was to be more energy efficient and emit less carbon than Feadship’s ground-breaking hybrid yacht, Savannah , which launched in 2015. Reducing the environmental impact by more than 30% would have been a tall order in any case, but the entire 12-month design period for Obsidian occurred at the height of a global pandemic. With Covid-19 lockdowns, none of the designers, engineers, or other parties were able to collaborate in person.

Working in parallel, Bram Jongepier, Senior Designer at Feadship De Voogt Naval Architects, developed a sustainability index, providing a great deal of guidance on how all of a yacht’s components and operations contribute to its carbon profile and environmental impact.

Reducing CO2 emissions is a top priority, but Feadship goes even further by addressing the overall environmental impact of its vessels. The emissions of nitric oxide and nitrogen dioxide (NOx), particulate matter, hydrocarbons, and the impact of building materials like steel, aluminium, fairing compounds, antifouling, teak, interior finishing, and more, are under scrutiny. This, together with CO2 emissions, is what we call environmental impact, which is calculated using life cycle assessments (LCA).

Yacht Environmental Transparency Index

Jongepier’s work became known as YETI, the Yacht Environmental Transparency Index. Operating on the philosophy that one cannot control what one cannot measure, the algorithms describing the environmental impact of CO2, NOx, particulate matter, shore power, and fuel production have been made freely available by Feadship to the signatories of the Water Revolution Foundation, a yachting industry association dedicated to driving sustainability in the superyacht industry through collaboration and innovation. This led to a Joint Industry Project (JIP) under the flag of the Water Revolution Foundation with twenty major partners in the yachting industry.

The YETI JIP produced a tool which, with data augmented now by other partners like engine manufacturers, predicts the environmental impact of a standardized operational year in the yacht’s lifecycle. Jongepier estimates that YETI effectively captures 90% of the total lifecycle of a yacht and each new build helps gather more data. It is estimated that Obsidian will operate with 27% less total environmental impact than a yacht of similar size launched only five years ago if run on fossil fuel, and 60% less when using HVO.

For Obsidian , the first step was building on innovation from the award-winning Savannah . Using Feadship’s Advanced Electrical Drive (FAED) program for diesel-electric hybrid power, Obsidian has 4.5 times more electrical storage capacity than our first hybrid yacht, Savannah . She has no drive shafts and no rudders, preventing added drag caused by these appendages. Propulsion and steering are supplied by a pair of Veth contra-rotating thrusters that deliver both functions. Veth’s experience with compact units for ships operating on rivers was seen as a perfect fit for a yacht specified for a relatively shallow draft. Feadship and Veth collaborated on computational fluid dynamics (CFD) analysis of the shapes of the drive legs and the propellors to maximize efficiency and minimize vibration, dampening vibration being another key component of the brief.

Powering it all is a 4.5 MWh battery bank that is charged by four generators — two large and two small, custom, variable speed units based on tweaked CatC32 engines with permanent magnet alternators that deliver power as needed. Where Savannah and Lonian – which launched in 2018 – operated on 560 volts, the DC system on Obsidian is a staggering 1,000-volt system because the yacht is fully powered by electricity. A total of 560 battery modules are housed in a special chilled room amidships on the tank deck, revealing another benefit of the hybrid system: The components no longer need to be adjacent. The thrusters are in the best location for steering and water flow, while the generators and their exhaust systems, batteries, and electrical switchboard are located elsewhere for optimal weight distribution and crew access. Obsidian should be able to cruise for 35 nm at 10 knots on batteries alone. At anchor, the batteries will provide silent operation for 10-15 hours.

Fuel savings

Advanced propulsion alone, however, would not result in the level of fuel savings required. When analysing Obsidian using the YETI tool, it revealed that about 60% of the energy consumed goes simply to powering the onboard lifestyle – the air conditioning, heating, hot water, lighting, cooking, entertainment electronics, pools, and laundry service. Reducing the energy needed to provide for the yacht’s “hotel” load became the target.

Several major innovations adapted for Obsidian address these target areas through peak load shaving and reducing HVAC demand through the computerized management of cooling guest and crew zones. But since making and using energy creates heat, capturing unwanted or “waste” heat to be used for other purposes became a key focus. Out of every 100kW of energy created by fossil fuel combustion in a typical internal combustion engine, only 35 to 40% is effective mechanical energy, with the rest being heat, usually discarded overboard with the water-cooling system and in the exhaust gasses. Feadship’s design and engineering team began by developing a much more comprehensive system than simply using generator cooling water to heat a swimming pool, a process that has become standard for many superyacht builders.

Considering that 25% of that "hotel" energy demand is about making heat, everything that needed heat was identified. The largest consumer was air conditioning.

The reason being that to sufficiently dehumidify the surrounding sea air, the HVAC system needs to cool incoming fresh air to about 7 degrees Celsius, but then, to keep the interior from feeling like a meat locker, heating units must warm the air to the desired temperature for each room.

Many points of energy savings

Conventional installations typically reheat with an electric heating element, but Obsidian uses waste heat for that purpose. Not only is waste heat captured from the generators, but also from the AC chillers themselves. This is not just free energy, but it is essentially carbon-free energy because it reuses incidental heat generated by another function. “There are so many points of energy savings integrated on this yacht that it is hard to count,” said Project Manager Mark Jansen.

Urged to explore all avenues, Feadship’s engineers introduced an innovative heat pump system to pull heat from various sources, including ambient sea water. Using a heat pump, which transports thermal energy (heat) from one place to another, is five times more efficient than simply making heat with a regular electrical heating coil, according to Jongepier.

An onboard computer system helps to choose seamlessly the appropriate combination of sources. This translates into the following operational modes:

• In harbour at normal sea temperatures plugged into shore power: Heat is provided by AC compressor waste heat, augmented by the heat pump if necessary.
• At anchor at normal sea temperature, operating on battery power: Heat provided by AC compressor waste heat, augmented by heat pump if necessary.
• Sailing, at anchor or in harbour at normal sea temperature with generators in operation: All necessary heat provided by generator waste heat.

Because the path to carbon-neutral superyachts goes far beyond a single solution, Obsidian also involved fresh approaches to the hull form. De Voogt’s naval architects created the low, slim hull, optimized at cruising speed using computational fluid dynamics (CFD) with the final form being made into a model tested in a towing tank. Complex engineering for balance and weight reduction includes new applications for carbon fibre. The louvered aft deck overhangs, for example, are all carbon fibre attached to the aluminium superstructure and require no support pillars. This weight benefit also offered new deck layout possibilities.

For the first time in many years, Feadship is delivering a yacht with a single level engine room, which gave her designers considerably more freedom in creating the interior layout. It also lends more space for guest accommodation and features a total of seven staterooms. According to Jansen, the volume of this 84-metre yacht is typical of that on 100-metre Feadships.

The layout is just as bold and modern as the exterior profile would suggest. Both the exterior styling and interior design are by the British firm RWD, in collaboration with MONK Design.

There are surprising destination spaces such as an asymmetrical atrium staircase leading to a lower deck dining saloon with an entire wall that opens to provide a terrace view just 75 cm above sea level.

Near the stern is an Aqua Lounge where massive windows below water level offer a unique view from the nearby gym. The Aqua Lounge can also function as a cinema and even a classroom.

From decks to the interior, the design leitmotif is all about surprise – most of the corridors and many of the rooms, as well as all of the al fresco living spaces, are not oriented on a fore and aft or athwartships axis. In fact, except for staterooms, none of the interior rooms have any 90-degree angles. A hidden staircase to a study and a sunken lounge on the main deck are just two more of the unexpected interior elements. But the biggest surprise involves the use of submarine anchors. Eliminating the need for a mooring deck forward allows Obsidian to feature a fantastic interior bow observation lounge with double curved glass floor-to-ceiling windows. Access is via a main deck corridor from the guest accommodation area through the tender garage to this hidden gem.

In keeping with the carbon reduction theme, both of the yacht’s primary tenders are electric-powered and custom made by Tenderworks. Four fast charging stations installed by the yard will allow them to be charged in the water or in the tender garage.

After the sea trials it turned out that Obsidian is even more efficient than previously calculated.

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This 276-Foot Hybrid Superyacht Emits 90% Less Carbon Than Gas-Powered Vessels

Feadship's obsidian is expected to be able to cover 35 nautical miles at 10 knots on batteries alone., rachel cormack.

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Feadship has outdone itself with its latest fleet member, and that was precisely the point.

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It is estimated the Obsidian will operate with 27 percent less total environmental impact than a yacht of similar size launched only five years ago if run on fossil fuel, and 60 percent less if powered using a non-fossil diesel fuel called HVO. Obsidian actually ran on HVO during sea trials and emitted 90 percent less carbon than a traditional gas-powered vessel. Feadship says the trials showed Obsidian is even more efficient than previously calculated.

Biofuel isn’t the only exciting innovation, of course. Obsidian ‘s low, slim hull has been optimized for cruising, her fighting weight has been reduced, and her overall balance improved. On top of that, the yacht is equipped with a streamlined diesel-electric propulsion system and has 4.5 times more electrical storage capacity than its predecessor.

The cruiser is powered by a 4.5 MWh battery bank and four tweaked CatC32 engines. The 1,000-volt system is fully powered by electricity, too. Obsidian is expected to be able to cover 35 nautical miles at 10 knots on batteries alone. At anchor, the batteries will provide silent operation for between 10 and 15 hours. Feadship also incorporated several energy-saving features that reduce the yacht’s hotel load.

According to Jansen, the Obsidian ‘s volume is in line with larger 328-footers. Feadship opted for a single-level engine room for the first time in many years to give the designers more freedom with the layout. Both the exterior and interior styling was executed by RWD and MONK Design. The duo kept things bold and modern both inside and out.

Feadship says the living quarters are full of surprises. There is a hidden staircase that leads to a study and a sunken lounge on the main deck, for instance. Similarly, an asymmetrical atrium staircase takes guests to a lower deck dining saloon with an entire wall that opens to provide a stellar view at sea level. Further toward the stern lies a scenic Aqua Lounge that can double as a cinema or a classroom and a fully equipped gym.

Another surprising touch is that none of the rooms have any 90-degree angles except for the seven staterooms. One more hidden gem is the observation lounge in the bow. Accessible via a main deck corridor, this secret escape sports floor-to-ceiling windows for cinematic vistas.

In keeping with the green theme, Obsidian ’s two custom-made primary tenders are both electric-powered and can be charged at special stations installed on the yacht.

Obsidian is the first of Feadship’s new generation of large eco-friendly cruisers, and its launch puts the yard another step closer to its goal of producing carbon-neutral superyachts by 2030.

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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Feadship delivers 84.2m hybrid superyacht Obsidian

Tuesday, August 1st, 2023

Written by: Marine Industry News

Feadship has launched its first vessel of 2023, the 84.2m hybrid superyacht Obsidian .

The Dutch shipyard, which specialises in custom superyachts, says Obsidian marks another step closer to the goal of producing ‘carbon-neutral’ superyachts by 2030. The vessel is the first of Feadship’s new generation of large yachts furthering carbon reduction through hulls optimised at cruising speed instead of top speed, weight control, advancements in electric propulsion, and the ability to run engines on non-fossil diesel fuel called HVO (hydrotreated vegetable oil).

Feadship says the yacht’s trials were conducted with the generators running on HVO, which can reduce carbon emissions by 90 per cent compared to yachts operating on fossil fuels.

The brief for the yacht was to be more energy efficient and emit less carbon than Feadship’s previous hybrid superyacht, Savannah , which launched in 2015.

Bram Jongepier, senior designer at Feadship De Voogt Naval Architects , has developed a sustainability index, providing guidance on how all of a yacht’s components and operations contribute to its carbon profile and environmental impact.

Jongepier’s work on these LCAs is now known as YETI, the Yacht Environmental Transparency Index. The algorithms describing the environmental impact of CO2, NOx, particulate matter, shore power, and fuel production have been made freely available by Feadship to the signatories of the Water Revolution Foundation .

This collaboration led to a Joint Industry Project (JIP) under the flag of the Water Revolution Foundation , with 20 major partners in the yachting industry.

The YETI JIP produced a tool which, with data augmented now by other partners like engine manufacturers, predicts the environmental impact of a standardised operational year in the yacht’s lifecycle.

It is therefore estimated that Obsidian will operate with 27 per cent less total environmental impact than a yacht of similar size launched only five years ago if run on fossil fuel, and 60 per cent less when using HVO.

Obsidian has 4.5 times more electrical storage capacity than Savannah . The yacht has no drive shafts and no rudders, preventing added drag. Propulsion and steering are supplied by a pair of Veth contra-rotating thrusters that deliver both functions. Powering it all is a 4.5 MWh battery bank that is charged by four generators — two large and two small, custom, variable speed units. Obsidian should be able to cruise for 35 nm at 10 knots on batteries alone. At anchor, the batteries will provide silent operation for ten to 15 hours.

With around 60 per cent of the yacht’s energy consumed by the ‘hotel load’ (heating, cooling, lighting, entertainment and so on), further fuel savings have been made by peak load shaving and reducing HVAC demand through the computerised management of cooling guest and crew zones.

Obsidian also captures waste heat from the generators and the AC chillers themselves, for repurposing in the HVAC system. “There are so many points of energy savings integrated on this yacht that it is hard to count,” says project manager Mark Jansen.

The yacht has a single-level engine room, which Feadship says gave its designers considerably more freedom in creating the interior layout. It also lends more space for guest accommodation and features a total of seven staterooms. According to Jansen, the volume of this 84-metre yacht is typical of that of 100-metre Feadships.

Both the exterior styling and interior design are by the British firm RWD, in collaboration with Monk Design.

An asymmetrical atrium staircase leads to a lower deck dining saloon with an entire wall that opens to provide a terrace view just 75cm above sea level. Near the stern is an ‘aqua lounge’ where massive windows below water level offer a unique view from the nearby gym. The aqua lounge can also function as a cinema and even a classroom.

A hidden staircase to a study and a sunken lounge on the main deck are two more unexpected interior elements of the hybrid superyacht. But the biggest surprise involves the use of submarine anchors. Eliminating the need for a mooring deck forward allows Obsidian to feature an interior bow observation lounge with double curved glass floor-to-ceiling windows. Access is via a main deck corridor from the guest accommodation area through the tender garage.

In keeping with the carbon reduction theme, both of the yacht’s primary tenders are electric-powered and custom-made by Tenderworks. Four fast charging stations installed by the yard will allow them to be charged in the water or in the tender garage.

Feadship says that, after the sea trials, it turned out that Obsidian was more efficient than originally calculated.

In April, Feadship confirmed it is entering the hydrogen superyacht market. Feadship confirms the yacht — which is already in-build — will house a cryogenic fuel tank, storing liquified hydrogen at around -250°C; being the densest storage method of pure hydrogen. The shipyard says this fuel cell bank will be sufficient to sail at a decent speed while still powering the hotel load in summer conditions.

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Feadship releases images of superyacht OBSIDIAN heading for sea trials

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By Nina Done   26 June 2023

With the sun shining and Goldilocks sea conditions, the impressive 84m (276ft) superyacht OBSIDIAN departed Feadship ’s build facilities at Alsmeer in the Netherlands to undertake her first round of sea trials, designed to test her capabilities, equipment and safety features.

Known throughout her build as Project 710 , the steel and aluminum motor yacht  showcases a low profile with masculine lines and seamless tinted glazing that wraps around her plumb bow, bearing all the hallmarks of her Feadship pedigree. 

She also sports a metallic gray hull with teak accents on the lower edges of each faring on her superstructure, creating a distinctive look that marks her out against her contemporaries.

Her exterior design and naval architecture are from the boards of RWD, a long-time Feadship collaborator, while her interior styling is from the pen of French studio Monk Design, also in collaboration with RWD.

Some of the standout features on board the 2,555 GT yacht include an observation lounge on her bow with double-curved glass floor-to-ceiling windows, an asymmetrical atrium stairwell leading to a formal dining area that can be opened up for guests to enjoy waterside views and an Aqua Lounge in her stern offering unique underwater vistas.  

She is also fitted with the latest Starlink antennas enabling download speeds of up to 350MB anywhere in the world.

The yacht also boasts a raft of green credentials, including an optimized hull at cruising speed and the ability to run her generators on HVO, which is essentially hydro-treated vegetable oil, offering a 90% reduction in greenhouse gasses, helping Feadship and their clients work towards a net zero CO² fuel goal.

She is also able to capture waste heat from the custom variable speed generators and air conditioner chiller to supply heat to the AC system, pool water, domestic water, engine preheating, and more. Meanwhile, an innovative heat pump system allows the yacht to draw heat from seawater.

Delivery is expected in the coming months, following the successful completion of sea trials. It is not expected that superyacht OBSIDIAN will be available for charter once she’s delivered to her owner.

In order to make enquiries regarding a charter with a Feadship superyacht, please get in touch with your preferred charter broker . Alternatively, view all superyachts available for charter .

Image credits: @Feadship

Video credits: Dutch Yachting

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One of the greenest superyachts ever built, Feadship’s Obsidian, has been delivered to her undisclosed owner. While most ships brag about beauty, brawn, and being a behemoth, Obsidian garners accolades with “net zero” claims. The 285 feet hybrid superyacht seems to be the boat of the future from the Dutch shipyard. It has successfully completed its maiden voyage boasting an array of avant-garde design elements.

What sets this ship apart from its predecessors are second-generation biodiesel generators that considerably reduce carbon emissions by a whopping 90 percent compared to conventional fuel-consuming yachts.

The eco-conscious owner wanted it no other way. In fact, he desired a vessel so efficient it would leave Feadship’s first hybrid yacht, Savannah, behind, and Obsidian Yacht does the needful. Upping the coolness quotient of the luxury superyacht is an Aqua Lounge that becomes the eyes to explore the underwater world with large windows below sea level. The asymmetrical atrium staircase welcomes guests into the lower deck dining saloon, where the soul feeds on one-of-a-kind terrace views just above sea level. Obsidian offers a dining experience unlike any other superyacht; one might just forget about hunger and revel in the vistas.

Up to twelve guests have the time of their life while being serviced by a crew of twenty-seven. Among several noteworthy features of the Obsidian is an observation lounge with double curved glass floor-to-ceiling windows. These sprawling views are enjoyed even from the main deck, packed with engineered glass throughout.

The Feadship ground-breaker boasts fold-out balconies and a spacious beach club area that extends towards the open sea. It is also impressing industry experts owing to the louvered aft deck carbon fiber overhangs attached to the aluminum superstructure that eliminate pillars, thus considerably reducing weight.

The boat lives up to its brief of being zero-emission and has a 1,000-volt system making it fully powered by electricity. Obsidian cruises for 35 nautical miles at 10 knots on batteries alone. “There are so many points of energy savings integrated on this yacht that it is hard to count,” said project manager Mark Jansen to Boat International. This next-generation yacht is setting a high benchmark for all future yacht builders and owners, but one that’s worth following.

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By SuperyachtNews 31 Jul 2023

Feadship delivers 84m Obsidian

The dutch shipbuilder claims its latest renewable diesel-powered delivery brings it one step closer to building completely carbon-neutral yachts by 2030….

Feadship has delivered 83m Obsidian , its latest yacht designed to run on renewable diesel and electric propulsion. The ship is the first of Feadship’s new generation of large yachts with the aim of reducing carbon emissions through advancements in weight control, propulsion technology and the use of Hydrotreated Vegetable Oil (HVO) fuel, instead of traditional diesel.

Obsidian's trials were conducted with the engines running on HVO, which has the potential to reduce carbon emissions by 90% when compared to yachts operating on fossil fuels. Notably, HVO is a ‘second-generation’ biofuel, meaning that it was made using by-products rather than crops that compete with food production.

Feadship says the aim of the project was to build a more energy-efficient vessel than its first hybrid yacht, Savannah , which launched in 2015. Using Feadship’s Advanced Electrical Drive (FAED) programme for diesel-electric hybrid power, Obsidian has 4.5 times more electrical storage capacity than Savannah . 

Bram Jongepier, Senior Designer, De Voogt Naval Architects , developed the Yacht Environmental Transparency Index (YETI),  a sustainability index that provides guidance on how a yacht’s components and operations contribute to its carbon footprint and environmental impact, and used it during Obsidian's  12-month design process.

According to Jongepier, YETI can calculate 90% of the total lifecycle of a yacht. With YETI available to Water Revolution Foundation signatories, the Foundation predicts that the environmental impact of O bsidian  will operate with 27% less total environmental impact than a yacht of similar size when powered by fossil fuel, and 60% less when using HVO. 

Inside the hull, Obsidian’s propulsion and steering are supplied by two Veth contra-rotating thrusters that deliver both shaft and rudder functions. These are powered by a 4.5 MWh battery bank that is charged by four generators — two large and two small, custom, variable speed units based on tweaked CatC32 engines with permanent magnet alternators. 

The change in propulsion methods alone didn't provide the level of fuel savings Feadship desired. Using the YETI tool, the shipyard noticed about 60% of the energy consumed goes simply to powering the onboard lifestyle. To combat this, Feadship sought to utilise the yacht’s waste heat for efficiency.

Feadship’s engineers introduced a heat pump system to pull waste heat from ambient seawater, generators and AC chillers. The heat pump then transports thermal energy from one place to another and is five times more efficient than making heat with a regular electrical heating coil, according to Jongepier.

Obsidian also has a single level engine room, which gave the designers more freedom in creating the interior layout and more space for guest accommodation with a total of seven staterooms. Jansen says the volume of the yacht is more typical of that on 100m Feadships. Both the exterior and interior design are by the British firm RWD and Switzerland-based MONK Design.

Obsidian will also employ Quantum XT™ (extendable) Fin Stabilizers, a semi-retractable boat stabilizer fin system that operates underway and at zero speed, optimised for energy efficiency.

Renewable diesel and biofuels are becoming more prevalent in superyachting as the race to decarbonise the industry continues. And it is availability is increasing too. Recently,  Peninsula announced that it will supply biofuels to yacht owners in the Gibraltar Strait and surrounding areas, having recently received its International Sustainability and Carbon Certification (ISCC).

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Motor Yacht

Obsidian is a custom motor yacht launched in 2003 by Azimut Yachts and most recently refitted in 2005.

Azimut-Benetti's history dates back to 1969, when enterprising young college student Paolo Vitelli founded Azimut Srl. Azimut was founded as a sailing boat chartering company and has since grown to become one of the world’s leading yacht builders with over 10,000 vessels to its name.

Obsidian measures 29.87 feet in length, with a max draft of 1.95 feet and a beam of 7.11 feet.

Obsidian has a composite hull with a composite superstructure.

Her interior design is by Carlo Galeazzi.

Obsidian also features naval architecture by Stefano Righini.

Performance and Capabilities

Obsidian has a fuel capacity of 10,000 litres, and a water capacity of 2,000 litres.

Accommodation

Obsidian accommodates up to 8 guests in 4 cabins. She also houses room for up to 3 crew members.

• Yacht Builder Azimut Yachts No profile available
• Naval Architect Stefano Righini No profile available
• Interior Designer Carlo Galeazzi No profile available

Yacht Specs

Other azimut yachts, related news.

OBSIDIAN Feadship

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OBSIDIAN has 29 Photos

OBSIDIAN News

Feadship announce superyacht PROJECT ...

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If you have any questions about the OBSIDIAN information page below please contact us .

The 84.2m (276’3”) Feadship yacht superyacht OBSIDIAN began construction in 2020 and is a collaboration between Casco & Sectiebouw Rotterdam (CSR), De Voogt Naval Architects and RWD with Monk Design.

OBSIDIAN Specifications

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We do have available further accommodation information for yacht OBSIDIAN, so please enquire for more information.

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We do have available further amenity, owner and price information for the 84.2m (276’3”) yacht OBSIDIAN, so please enquire for more information.

OBSIDIAN Disclaimer:

The luxury yacht OBSIDIAN displayed on this page is merely informational and she is not necessarily available for yacht charter or for sale, nor is she represented or marketed in anyway by CharterWorld. This web page and the superyacht information contained herein is not contractual. All yacht specifications and informations are displayed in good faith but CharterWorld does not warrant or assume any legal liability or responsibility for the current accuracy, completeness, validity, or usefulness of any superyacht information and/or images displayed. All boat information is subject to change without prior notice and may not be current.

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"Whether it’s wiring or plumbing, pipe fitting or painting, finishing or wiring, Feadship has the finest compilation of artists that I could find on my journey of discovery among the superyachts that exist today. It is all the small things that they do, the time they take to do what they do, and the extra effort that they take to make every corner, nook and cranny look great. - Review by the Owner who commissioned yacht ROCK.IT" (hull 687).

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