Friday, 24 August 2018 14:19

Aug 24 - Navigator Aurora

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524 navigator aurora2


ABS has announced the world's first successful conversion of a slow-speed marine diesel engine to operate on Ethane as a fuel.  Navigator Gas, in partnership with Charterer Borealis, engine manufacturer MAN Energy Solutions, cargo system and fuel gas supply system supplier TGE and ABS, has completed the successful conversion of the Navigator Aurora’s main engine from LNG fueling to Ethane fueling, while berthed alongside at Frederikshavn in Denmark. ABS-Classed Navigator Aurora equipped with a MAN B&W 6S50ME-C8.2-GI dual fuel (HFO/LNG) burning engine has now been converted to a dual fuel (HFO/Ethane) 6S50ME-C-GIE engine.

Built:                2016
Vessel type:    Ethylene/LPG Carrier
Capacity:        35,000 CBM
GRT:               23,000 tons
DWT:              26,500 tons
Length:          179 m
Beam:            29 m
Draught:        10.5 m

524 navigator aurora5  524 navigator aurora1


The 15-day long conversion followed engine performance and emissions testing at Kawasaki in Japan, to prove the principle that burning ethane in the Navigator ME-GI engines would be possible. The trials were successful and demonstrated that suitable power and emissions performance, meeting Classification and statutory requirements, was available at a fuel gas injection pressure of just over 300 bar.

Paul Flaherty, Director of Fleet and Technical operations at Navigator Gas, said: “This project represents a significant investment by both Navigator Gas and Borealis that clearly demonstrates a very strong commitment to environmental protection and the reduction of greenhouse gas emissions. This retrofit modification will comply with all current global emissions regulations and position us as early adopters of the global sulphur cap regulation due to come into force on the 1st of January 2020.”

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