AYRO gets class approval for design of feeder boxship with wind-assist system

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AYRO gets class approval for design of feeder boxship with wind-assist system

  

Press release: The “Trade Wings 2,500”: an innovative container ship with a capacity of 2,500 TEU (Twenty-Foot
Equivalent Unit), designed jointly by VPLP Design (France), Alwena Shipping (France), SDARI (China)
and AYRO (France) has received Approval in Principle from Bureau Veritas. With an overall length of
197m and a breadth of 32m, the vessel offers a deadweight of 32 500 m tons.
It fosters the combination of a wind-assisted propulsion with six Oceanwings® with an LNG-electric
propulsion with pods. The wingsails are installed on a vertical sliding mechanism to retract them partially
while the vessel is in port, thus minimizing the impact on cargo operations. The LNG storage tank is
based on GTT’ Mark III containment system and the LNG power plant is designed with pure gas 4-strokes
gensets only. This architecture is a flexible platform offering possible upgrade to decarbonated fuels in
the future such as Ammonia or Hydrogen.
Suitable to short sea shipping operations or feedering in Europe, Central America, Caribbean Islands and
China, the Trade Wings 2,500 can also operate on transatlantic trades. The design minimizes time in port
operations, as maneuverability is increased with the Pods, and the hatch coverless design further speeds
up cargo operations.
On a typical transatlantic route of 4,000 Nm, the Trade Wings 2,500 will save on average 35% CO2-
equivalent emissions compared to a conventional design, with a 2-stroke engine, single shaft and without
wingsails, at the same speed. Out of these 35% savings, the Oceanwings® accounts to 57%, the
optimized LNG thermal propulsion delivering the remaining 43% savings.
This co-work to design the Trade Wings 2,500 sets the pathway for what could be the low emissions
container vessels of the near future.

 
  

After reviewing the key drawings, on the 12th of May 2021, Bureau Veritas Marine & Offshore granted an
Approval in Principle to the Trade Wings 2500 ‘ basic design.
Alex Gregg-Smith, Senior Vice-President Bureau Veritas for North Asia said: “Wind-assisted propulsion
is a high-potential solution that can contribute to the long-term decarbonization of the marine industry.
We have just released new wind propulsion system rules – and this innovative design, approved in
principle by BV, including a sliding mechanism, demonstrates the feasibility of wind-assisted propulsion
on board container ships with deck space limitations. Benefitting from a coverless hatch and LNG electric
pod propulsion, the design provides both operational flexibility, improved efficiency and reduced carbon
emissions, complying with, or exceeding, regulatory requirements. Bureau Veritas continues to address
the challenges of the energy transition by providing solutions to the safety, risk and performance
requirements for innovation in future fuels and propulsion systems.”

 

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