The Naval Architect January 2008

Letters
Case for gas turbines
Dear Editor, ated engines, for example, at about 20MW, one free extra gas generator, etc. Did he do his
I was very disappointed to read our compare very favourably with slow-speed through life costings?
President’s prominent, adverse comments heavy oil engines; particularly part load Yours faithfully,
on gas turbines (Profi le page 169, September performance.
2007, Th e Naval Architect). Ten years ago he Perhaps his fi tting LM2500 engines in Bob Barnes
may have had some justifi cation for saying QM2 was heavily inﬂ uenced by the commer- (R H Barnes CEng, FIMarEST, MRINA)
so, but not today. Specifi c fuel consumption cial deal oﬀ ered by GE at the time, for which Director, Robert Barnes & Co, Consulting
of the RR WR21 intercooled and recuper- they are well known; buy two units and get Engineers, Naval Architects & Surveyors
FPSO hull design mistaken
Reference is made to the special feature design.’ Maritime Tentech AS) in AKET has designed
regarding. Korean Shipbuilding and the article Th is is totally wrong. more than 60% of all purpose-built FPSOs in
‘Oﬀ shore sector pays oﬀ for Samsung’ (page Th e Skarv FPSO hull is of a Tentech 975 harsh environmental conditions for the North
34, Th e Naval Architect, October 2007). design developed by Aker Kværner Engineer- Sea, and has more than 15 years operational
We (Aker Kværner Engineering and ing and Technology AS (AKET), where we experiences in these areas.
Technology AS/Norway) strongly react when have been responsible for the FEED phase
SHI claims that the Skarv FPSO hull is of its of the hull as well as the FEED and detail Børre Knudsen
design. engineering of the topsides and overall Aker Kværner Engineering and Technol-
Quote: ‘SHI developed the hull design at concept design. ogy
the FEED stage, as well as the overall concept Th e FPSO solution department (previous Vice president FPSO solutions
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The Naval Architect January 2008 93
NA Jan - p92+93.indd 93 07/01/2008 12:51:57
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