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Diesel Power & Propulsion

Mixed Thrust Repower for Triple Engined Fast Ferry

01 Jun 2005

The first engine sale by the newly appointed Cummins distributor for Japan, Komatsu Diesel , has resulted in a successful repower creating a triple engined high speed ferry.

The repower package for Elegant II features a central waterjet flanked by conventional propellers.

The Elegant No 2 was built by the Kumamoto Dock Company in 1999 and was returned to the builder recently for the repower. The installation features a single central MTU 12V396 delivering 1,979hp at 1,946rpm through ZF BWK750 marine gears to drive a Kamewa 56BII water jet.

Flanking the MTU, a pair of Cummins KTA50-M2s deliver 1,875hp at 1,950rpm to conventional 1.08m by 0.95m propellers through ZF BWK4640 gears.

The combined propulsion system gives the 36.25m LOA, 138gt ferry a 35 knot top speed and delivers 32 knots at an economical 1,750rpm. This enables Elegant No 2 to carry 230 passengers and a crew of five while completing a run between the Japanese ports of Nagasaki and Sanggoto in 90 minutes.

MJ Information No: 207113

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