Design Approval for HHI’s ‘Hi-Rotor’, the First Approved Wind-Assisted Propulsion System in Korea
In a first of its kind for Korea, Korean Register (KR) has awarded design approval for Hyundai Heavy Industry (HHI)’s latest rotor sail technology ‘Hi-Rotor’. With this wind-assisted propulsion system installed onboard, ships can reduce their fuel consumption and carbon emissions by 6 to 8 percent.
The approval follows a close partnership between KR and HHI. Back in December 2020, KR approved an Approval in Principle for ‘Hi-Rotor’ as a first step to actively developing the revolutionary technology. This May, both companies collaborated in hosting a Hazard Identification (HAZID) workshop, to further enhance the safety of the system.
HHI is planning to complete the production in the second half of this year, and is concentrating on preparing for a feasibility test, as well as discussing the future commercialization of the system with major ship owners.
Rotor sails are cylindrical structures installed on ships’ decks that reduce fuel consumption and carbon emissions by generating additional propulsion using wind. HHI’s ‘Hi-Rotor’ features the ‘Magnus Effect’, using the pressure differences around the rotor sail to generate propulsion. However, it significantly differs in enhanced stability of the drive system, compared to other products, by applying the reduction gear method to the driving part that connects the electric motor and the rotor.
Yeon-tae Kim, Executive Vice President of KR Technical Division, said: “We hope that this design approval will enhance HHI’s competitiveness in the rotor sail technology market, and we will continue to enhance our compliance with stringent environmental regulations.”
Won-ho Joo, HHI Senior Executive Vice President & Chief Technical Officer said:” We are continuously contributing to strengthening the competitiveness of our customers by concentrating our capabilities on the development of various eco-friendly products to not only improve the fuel efficiency of ships but also to respond to stringent environmental regulations.”
Korean Register
Korean Register (KR) was established in 1960 with the purpose of promoting safety of life, property and the protection of the marine environment. KR currently classes an international fleet of 3,069 vessels totaling 79 million GT. It is headquartered in Busan, South Korea with a network of 66 offices around the world. KR is authorized to perform statutory and certification services in 81 countries around the world.
AVIKUS was established in 2021 as a first start-up company of Hyundai Heavy Industry group for the developing autonomous navigation solution. AVIKUS is targeting commercial maritime industry and leisure boat market. For commercial maritime industry, AVIKUS has three product HiNAS1.0 (AI based target detection assistant system), HiBAS (Camera based surrounding view system to assist berthing and unberthing situation) and HiNAS2.0 (AI based autonomous shipping solution). Currently HiNAS1.0 has been ordered to deploy more than 250 vessels.