The Swedish catamaran will drive you to work at 30 knots


The ferry takes 150 commuters at high speeds – with a low consumption. Beluga24 will be built in Stockholm, and will be offered with batteries or fuel cells.

Green City Ferries will deliver the first copy of Beluga24 during the first half of 2023. It is a Swedish-built, high-speed catamaran that can take 150 passengers and 30 bicycles.

The ferry is offered with two drivelines where the battery-powered version is suitable for commuting, while the hydrogen-powered one is capable of acting as an archipelago vessel.

Battery packs from 500 kWh up to 1,000 kWh provide an expected range of 14 to 22 nautical miles. The ship’s fireproof lithium titanate oxide batteries are charged with an output of up to 3 MW, which means that they have a charging time of less than ten minutes, if the infrastructure is available.

With a cruising speed of 28-30 knots, Green City Ferries sees a potential for commuting from new addresses further out of the city center. The ship’s carrier plane raises the hull to 50 percent, which contributes to small surges and low resistance.

30 kWh per nautical mile

Consumption at 30 knots is estimated to land at 30 kWh per nautical mile, which is close to halving compared to diesel-powered catamarans of the same size and performance.

– We combine lightweight material, ie carbon fiber, with an energy-efficient hull construction, which is a support plane-supported catamaran. It is very important that this is not a prototype, but it is proven technology. We go into commercial operation where all technology is market ready, says Fredrik Thornell, CEO of Green City Ferries to Ny Teknik. .

Beluga24 actually has a sister ship that goes into service in Seattle It is based on the same design but “Lady Swift” has diesel operation and an aluminum hull.

Carbon fiber hull

Teknicraft in New Zealand designs the technical part of the carbon fiber hull, which is about 30 percent lighter. Because the ship’s carrying plane only protrudes 1.2 meters, the Belugan becomes very shallow – and the hydrofoil can also be removed if you do not need the high speeds. The ship’s aesthetic design is designed by Italian Sculli Design Studios.

The first two to six ships will be Swedish-built. In terms of price, they should be on a par with diesel-powered catamarans of the same type. However, the hydrogen version will be slightly more expensive due to the fuel cell stacks.

Fredrik Thornell sees administrations as the primary customers, but also shipping companies. Green City Ferries’ strategy is to lease the vessels, hopefully for an enthusiastic local service. Today, the archipelago fleet accounts for half of the emissions from Stockholm’s local traffic, and the idea is that the catamaran will contribute to a rapid conversion. Then the rest of the world waits.

– We have quite a few and big plans. series production lines will be built at the shipyard north of Stockholm, called BB Yards. Then we will develop production in other countries, especially in the USA, which is a huge market, says Fredrik Thornell.


Source: Nyteknik – Senaste nytt by www.nyteknik.se.

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