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WORLD RECORD RECOGNITION FOR MOL'S PROPELLER FIN

WORLD RECORD RECOGNITION FOR MOL'S PROPELLER FIN

Friday, December 24, 2021 

The Propeller Boss Cap Fins (PBCF) marketed by Mitsui OSK Lines (MOL) group company MOL Techno-Trade has been certified as the 'Best-selling Energy-Saving Ship Appendage Brand (Cumulative)', by Guinness World Records.

PBCF was co-developed by MOL, West Japan Fluid Engineering Laboratory and Nakashima Propeller (formerly known as Mikado Propeller) in 1986, and went on sale by MOL in 1987. In 2000, sales operations were transferred to MOL Tech. It was the first device to be commercialised to recover the energy wasted in the vortex that forms behind a rotating propeller and to increase thrust by breaking up this vortex. Analysis has shown that equipping a vessel with PBCF results in energy savings of 3% to 5%.                                

Since its introduction, worldwide sales rose steadily. Orders reached 1,000 in 2006, 2,000 in 2011, and topped 3,000 in 2015. In 2017, based on the joint research results of MOL Tech, MOL and Akishima Laboratories (Mitsui Zosen), an upgraded PBCF, offering further improvements in energy-saving went on the market. By 2021, PBCF cumulative sales exceeded 3,800 (on over 3,600 individual ships). The company says that even some 35 years after its launch, PBCF is still selling exceptionally well as an energy-saving device for ships and has established itself as a bestseller.

PBCF installation improves fuel efficiency, which in turn reduces CO2 emissions from vessels, reducing the environmental impact of ocean shipping. MOL Tech calculated that the expanded use of PBCF has contributed to a cumulative 46m-ton reduction in CO2 emissions worldwide.

MOL Group says it continues to study hybrid combinations with other energy-saving devices such as stern fin, duct and rudder valve and has confirmed the synergistic effects in model tests. PBCF continues to evolve as MOL leverages the technology to further improve propeller efficiency.

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