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Green and Sporty: Welcome To The New Ocean Sail 82

ocean sail 82 Alva Yachts
Image courtesy Alva Yachts

Alva Yachts announced the next model in their lineup: named Ocean Sail 82, it will be a sailing yacht with electric power to support cruising and onboard systems.

Designed by Henndesign studio in cooperation with iYacht for the naval architecture, Ocean Sail 82 is an environmentally friendly vessel, but it is also and firstly a sailing yacht: the hull and the rig have been designed taking inspiration by racing yachts.

The key to the system will be the battery pack, which takes energy from an onboard generator and solar panels. The generator itself can be replaced, as the shipyard suggests, by an even greener hydrogen tank with fuel cells.

The core idea of the Alva Ocean Sail 82 is to be environmentally friendly. With sails to exploit the wind and solar panels to recharge the battery pack, the range is virtually unlimited.

alva yachts ocean sail 82

A higher need of electricity, in case of multiple on-board systems running or motor cruising, can be supplied by recharging the batteries with a generator. The 1000-liter fuel tank and the reduced fuel consumption of the generator mean thousands of miles of navigation without refill. 

The hydrogen fuel cell

But the greenest option, already studied by Henndesign, replaces the diesel generator and its tank with a hydrogen fuel cell. Once the gas is stored in a high-pressure tank aboard, it is converted into electricity by the fuel cell, with the only waste in the process being fresh water. In this case, the whole usage of Ocean Sail 82 is totally harmless for the sea and the environment. 

ocean sail 82 Alva Yachts
Image courtesy Alva Yachts

A further way of generating power comes from the propeller: whenever the yacht is sailing pushed by the wind, the prop can rotate counter-wise and recharge the batteries, thus storing more energy completely for free. 

The state-of-the-art design is also found in the construction, which uses vacuum-infused GRP and carbon fiber, with the chance to have carbon fiber mast and boom.

ocean sail 82 Alva Yachts
Image courtesy Alva Yachts

Two layouts available

The main layout consists of a large salon and a dining area for ten, a lounge and relaxation area, and a galley to aft with 609 l refrigerators and waste compactor. Night accommodation is granted by four double cabins with private bathroom, with the owner’s apartment taking the bow of the lower deck.

ocean sail 82 Alva Yachts
Layout 1. Image courtesy Alva Yachts

A second layout drops the fourth cabin with bunk beds, to replace it with the owner’s office. In both cases, a crew cabin for two features bunk beds and private heads.

ocean sail 82 Alva Yachts
Layout 2. Image courtesy Alva Yachts

The transom of Ocean Sail 82 sports a hydraulic platform which helps launching and hauling the 3.85-meter tender into the aft garage. In accordance with the whole project, the tender will be powered by an electric outboard or by a jet propulsion with electric motor.

The whole project of Ocean Sail 82 won the 2019 A’ Design Award in Yacht and Marine Vessels Design.

Ocean Sail 82 Specs 

Length Overall: 24.90 m
Length of waterline: 22.10 m
Beam: 5.98 m
Draft: 3.60 m
Ballast: 12680kg
Displacement: 42000 kg
Electric Propulsion: 135 kW
Battery capacity: 140 kWh
Fuel: 1000 l
Fresh Water: 600 l + water maker 200 l/h
Hot water: 2x 50 l
Black water Tank: 2x 200 l
Grey water Tank: 2x 300 l
Generator: 40 kW, DC
Photovoltaic: 4,8kWp
Shore Power: 6 kVA 230 V
Air-conditioning: 76000 BTU variable speed chiller / heat pump (or 75000 BTU)
Design: Holger Henn / Henn Project 
Naval architecture: HENNDESIGN, iYacht
Mainsail: 148m²
Self-tacking Jib: 130m² 
Genoa (optional): 152m² 
Gennaker: 395m²Passengers: 12

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