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Marine Propulsion has risen from 23,400 kW for the TCA88-20 to 27,300 kW for the new TCA88-25. As a result, it is now possible to supercharge larger engines with fewer turbochargers than previously. For example, only three TCA88-25 turbochargers are now required to supercharge the MAN B&W 12K98ME-C two stroke engine - the most powerful engine on the market. In spite of this increase in power density, the dimensional envelope and weight of the TCA88-25 remain very close to those of the current TCA88-20, since the revised rotor geometry of the new model can be readily accommodated in the existing TCA88-20 casing. Similarly, the new TCA88-25 retains all the well-proven benefits of the TCA8820 model, including efficiencies above 72 percent, low noise emissions, ease of maintenance and long times between overhauls. Since its launch in 2002 the TCA88 has already logged a total of more than 100 units sold or giving reliable service around the world on a range of two and four-stroke-engines installed in vessels or operating in stationary applications. The NEW Surface Drive System utilizes MICAD Marine's exclusive Real Time Monitoring System to continuously monitor the vibration, oil temperature and bearing temperature occurring on the vessel. These real time readings are then compared to the established set of indices, or Vessel Signature, to determine if an abnormal condition exists. If an abnormal condition is present, the MICAD Marine System triggers an alarm to alert operators that corrective action is required. These condition-based alarms help to ensure that maintenance is performed on-time well in advance of costly surprise failures. "We are thrilled about our alliance with MICAD Marine," said Paul Bezzi, Chairman for Frances Helices. "Our partnership will provide vessel operators with the most advanced propulsion and monitoring technology on the market today." LCS Propulsion Contract to Rolls-Royce Rolls-Royce has won an order for two Rolls-Royce MT30 gas turbines to power the second Lockheed Martindesigned Littoral Combat Ship (LCS). Another set of the same turbines has already been ordered and installed in Lockheed Martin's first LCS, Freedom (LCS 1). The gas turbines for the second Lockheed Martin-designed LCS will be delivered to the Bollinger shipyard in Lockport, La., in early 2007. Rolls-Royce is also supplying four Kamewa waterjets to the ship. These same waterjets have also been supplied to Freedom, and the company is also providing bearings and shafting to both ships. Micad Marine, France Helices Partner MICAD Marine and France Helices announced a partnership to offer vessel operators condition-based maintenance monitoring on a new high-performance Surface Drive System. "Traditional maintenance typically results in unpredictable vessel reliability," said John Miele, Director of Sales for MICAD Marine. "Condition-based maintenance is a far more accurate indicator of maintenance issues than simple 'engine hours' or on-site inspections." September 2006 45