Ship & Boat International Archives - Royal Institution of Naval Architects

Hydrodynamic optimisation of a zero emission battery-driven catamaran

22nd September 2023 | Ship & Boat International, The Naval Architect

By Yan Xing-Kaeding, Hamburgische Schiffbau-Versuchsanstalt The optimisation of battery-powered ships for efficient, emission-free coastal passenger transport brings to the forefront a significant emphasis on hydrodynamic design. This intricate process, crucial for minimising resistance and energy consumption, takes on heightened importance due to the unique requirements of these vessels. Operating on short-distance routes and focusing on […]

Biofuels: the solution to clutter-free decarbonisation?

3rd July 2023 | Ship & Boat International - News, Comment

Dr Nicholas Ball, CEO of XFuel, argues that adopting biofuels may help the maritime sector to decarbonise instantly without costly portside or onboard infrastructure The shipping industry’s collective environmental footprint is a growing problem. As other sectors make substantive progress towards UN climate goals, and as public pressure intensifies, the shipping industry’s slow progress is […]

Gennal’s Blue G batteries keep things cool

3rd July 2023 | Ship & Boat International, Technology

A new non-flammable battery type, based on vanadium redox technology, will soon have a chance to demonstrate its benefits in a maritime setting Class society ABS has issued New Technology Qualification (NTQ) status to a non-flammable marine battery technology developed by Gennal Engineering of Singapore. The battery system, called Blue G, is reportedly based on […]

Zero.63 catamaran promises greener leisure boating

3rd July 2023 | Ship & Boat International, Recreational

Archipelago Yachts and Chartwell Marine’s catamaran concept makes a convincing case for an environmentally sound yet long-range leisure vessel, writes Stevie Knight The new Archipelago zero.63 is a methanol fuelled, 18.3m conundrum, combining a number of elements that you wouldn’t necessarily expect in a single vessel. So, how – and why – have very disparate […]

Solar expeditions with the ZEN50 catamaran

3rd July 2023 | Ship & Boat International, Technology

With 17kW of peak solar power at its disposal, and a wingsail designed for optimal wind capture, the new ZEN50 catamaran series is set to bypass the need for the ‘obligatory’ backup diesel genset The forecast’s for sunshine for builder ZEN Yachts, which has confirmed the pre-sale of the first four units in its solar-powered, […]

AHSV Merlin conjures cost effective magic for offshore wind

3rd July 2023 | Ship & Boat International, Technology

Autonomous technology meets alt-fuel readiness in SAFE Boats International’s ambitious AHSV Merlin, which has been carefully developed to conjure up cost efficiency on offshore wind farm pre-assessment missions As with offshore wind farm support vessels, it’s not unreasonable to expect research and survey vessels to ‘green up’ their operations. After all, there’s a certain irony […]

E-winches haul tugboats forward

3rd July 2023 | Ship & Boat International, Equipment

Tugboat original equipment manufacturers (OEMs) have relied on hydraulic oil-driven winches for decades, but they are now starting to embrace energy-efficient, next-generation electric winches, writes Mikael Holmberg, winch and crane segment sales manager at ABB Drives Hydraulic winch systems have been adopted by nearly 70% of vessels across the world, and they’ve stood the test […]

Depth no limitation for LR11 SRV

3rd July 2023 | Ship & Boat International, Naval & Patrol

Following successful sea trials, the Vietnam People’s Navy is now the owner of an innovative submarine rescue vehicle developed by Forum Energy Technologies Submarines are a vital component of modern naval warfare, capable of covert and independent underwater operations for extended periods. However, when things go wrong, it’s crucial that submarine personnel are able to […]

Armed Forces of Malta’s OPV fleet set for overhaul

3rd July 2023 | Ship & Boat International, Naval & Patrol

As two long-serving members of the Armed Forces of Malta’s OPV fleet prepare for retirement, the island has welcomed a larger, modern replacement to conduct surveillance and SAR tasks in the Central Mediterranean March saw Italian shipbuilder and designer Cantiere Navale Vittoria witness the commissioning of its largest offshore patrol vessel (OPV) to date in […]

The Docksta LHSRV: all rescue regions covered

3rd July 2023 | Ship & Boat International, Research & Education

Emil Jonze, Docksta Varvet, Sweden and Dr Ronald Pelot / John Dalziel MRINA, Dalhousie University, Canada explain why the Docksta Loitering, Optionally Crewed, High Speed Rescue Vessel concept was deemed necessary, and run though the features of this innovative life-saver The following article is a slightly truncated version of presentations delivered at the World Maritime […]

SLX 280 Outboard launched for burgeoning US recreational market

3rd July 2023 | Ship & Boat International, Recreational

Designed for optimum onboard space, and boasting state-of-the-art tech for steering and troubleshooting support, Sea Ray’s SLX 280 Outboard series looks set to make quite an impression in leisure boat circles this summer The US recreational boat market has done a convincing job of shrugging off the world’s troubles, and is attracting new participants and […]

PolyGone focuses on the small stuff

3rd July 2023 | Ship & Boat International, Technology

Start-up PolyGone has developed a biomimetic, hydrophobic filter to remove typically hard-togather, sub-1mm microplastics from water – and recent trials are yielding encouraging results Recent figures suggest that our oceans currently contain around 165 million tonnes of plastic. However, even if plastic production ceased tomorrow, existing plastics would continue to break down, leaving a growing […]