Feature 1 | GEARS AND PROPELLERS World’s largest bevel gears in production
New steel giant gears transmit 10,000hp input power and are set to be installed on a new inspection vessel.
gear unit ever produced. Most recently, Voith Turbo Schneider Propulsion, in Heidenheim, manufactured not one, but two, of these huge units. T e production time for the gear units amounted to six months. The bevel gear sets are destined for
A
two Voith Schneider propellers (VSP), each featuring six blades. The two VSPs have a joint input power of 7600kW (more than 10,000hp). The assembly of the two VSPs was also carried out at Voith Turbo in Heidenheim. The two VSPs were
sent to the
rim diameter of 2.3m and a weight of 5tonnes – these are the vital statistics of the largest bevel
Norwegian shipyard Karmsund Maritime AS, where they were installed on an inspection maintenance and repair vessel (IMR) for the shipping company Østensjø Rederi AS. Edda Flora was delivered in March this year. T is vessel is one of nine newbuildings that will be completed during a two-year period for Østensjø. The Skipsteknisk-designed vessel
has an overall length of 95m, a length between perpendiculars of 82m, and a breadth of 20m. With a top speed of 18knots and an output of 7600kW, she is one of the fastest and most powerful ships fi tted with VSP. T e vessel is set to begin work in an
TECHNICAL PARTICULARS Edda Flora
Length, oa ..............................................95m Length, bp ..............................................82m Breadth ...................................................20m Depth to 1st deck ...............................9.80m Depth to 2nd deck…. ........................6.20m Deck area…. ......................................800m2 Flag…
..........................................Norwegian
eight-year contract for Deep Ocean carrying out special operations on seabed installations. Approximately 60 off shore workers from Deep Ocean will be stationed onboard Edda Flora, in addition to around 50 Østensjø Marine personnel. SBI
This bevel gear, manufactured by Voith Schneider, is claimed to be the world’s largest.
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General arrangement plan of the 95m Edda Flora built for Østensjø.
Ship & Boat International September/October 2008
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