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Researchers on Zero Emissions High Speed Ferry Report Positive Results

17th May 2023
The trimaran foiling ferry concept from Solent University in England has the potential to reach 28 knots using just 250kW of power
The trimaran foiling ferry concept from Solent University in England has the potential to reach 28 knots using just 250kW of power

A two million euro project to develop a “zero emissions” solution for high-speed passenger ferries is yielding positive results, according to the research team led by Solent University in England.

The group also involving Chartwell Marine and Newcastle Marine Services, aims to develop an electric hydro-foiling high-speed trimaran, which can carry up to 40 passengers on short to medium-range coastal routes.

The project is being funded by Innovate UK, a British government initiative.

Initial testing has demonstrated the potential for a foiling trimaran with low drag and power requirements, according to Giles Barkley, leader of Solent University’s yacht engineering-based degrees.

“A traditional, diesel-powered, 40-passenger catamaran ferry operating at 25 knots typically requires well over 1000kw of power,” Barkley says.

“The trimaran foiling ferry concept has the potential to reach 28 knots using just 250kW of power - equivalent to the power used by two modern electric family cars (2×125Kw motors),” he says.

“This means it is possible to power the craft using zero-emission electric motors, with a significant reduction in associated fuel and operational costs compared to a traditional diesel craft,” he says.

Solent University project lead Dr Laurie Wright, who is associate professor of marine sustainability, says that recent advancements in electrical propulsion technology mean “zero-emission, low-drag, high-speed medium-capacity passenger vessels are now viable”.

"These types of passenger vessels can open “blue corridors”, encouraging a shift from road to alternative transport on otherwise underutilised coastal waterways,” Wright says.

The UK Government is funding the development of new clean maritime technology across a two-year period in 12 regions. It aims to generate highly skilled jobs and position Britain as a “world leader in low carbon maritime”.

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Ferry & Car Ferry News The ferry industry on the Irish Sea, is just like any other sector of the shipping industry, in that it is made up of a myriad of ship operators, owners, managers, charterers all contributing to providing a network of routes carried out by a variety of ships designed for different albeit similar purposes.

All this ferry activity involves conventional ferry tonnage, 'ro-pax', where the vessel's primary design is to carry more freight capacity rather than passengers. This is in some cases though, is in complete variance to the fast ferry craft where they carry many more passengers and charging a premium.

In reporting the ferry scene, we examine the constantly changing trends of this sector, as rival ferry operators are competing in an intensive environment, battling out for market share following the fallout of the economic crisis. All this has consequences some immediately felt, while at times, the effects can be drawn out over time, leading to the expense of others, through reduced competition or takeover or even face complete removal from the marketplace, as witnessed in recent years.

Arising from these challenging times, there are of course winners and losers, as exemplified in the trend to run high-speed ferry craft only during the peak-season summer months and on shorter distance routes. In addition, where fastcraft had once dominated the ferry scene, during the heady days from the mid-90's onwards, they have been replaced by recent newcomers in the form of the 'fast ferry' and with increased levels of luxury, yet seeming to form as a cost-effective alternative.

Irish Sea Ferry Routes

Irrespective of the type of vessel deployed on Irish Sea routes (between 2-9 hours), it is the ferry companies that keep the wheels of industry moving as freight vehicles literally (roll-on and roll-off) ships coupled with motoring tourists and the humble 'foot' passenger transported 363 days a year.

As such the exclusive freight-only operators provide important trading routes between Ireland and the UK, where the freight haulage customer is 'king' to generating year-round revenue to the ferry operator. However, custom built tonnage entering service in recent years has exceeded the level of capacity of the Irish Sea in certain quarters of the freight market.

A prime example of the necessity for trade in which we consumers often expect daily, though arguably question how it reached our shores, is the delivery of just in time perishable products to fill our supermarket shelves.

A visual manifestation of this is the arrival every morning and evening into our main ports, where a combination of ferries, ro-pax vessels and fast-craft all descend at the same time. In essence this a marine version to our road-based rush hour traffic going in and out along the commuter belts.

Across the Celtic Sea, the ferry scene coverage is also about those overnight direct ferry routes from Ireland connecting the north-western French ports in Brittany and Normandy.

Due to the seasonality of these routes to Europe, the ferry scene may be in the majority running between February to November, however by no means does this lessen operator competition.

Noting there have been plans over the years to run a direct Irish –Iberian ferry service, which would open up existing and develop new freight markets. Should a direct service open, it would bring new opportunities also for holidaymakers, where Spain is the most visited country in the EU visited by Irish holidaymakers ... heading for the sun!