Page 37: of Maritime Reporter Magazine (September 2000)

such as cruise ship powering and land- based generation plant. The delivery program started from Kiel in the final quarter of last year, with propulsion machinery for chemtanker, deepsea fishing vessel and feedership tonnage.

Ensuing sales have seen the design especially favored for the smaller class- es of containership.

Representing one of the most sophisti- cated applications for the new genera- tion of medium-speed machinery, two eight-cylinder and two seven-cylinder versions of the M43 plus a six-cylinder

M32 form the powerhouse for TT-Line's diesel-electric RoPax newbuilds at Bre- merhaven. The TT-Line ferries are fur- ther distinguished by the use of

Siemens-Schottel pod propulsors. The

M43 has subsequently been nominated for RoRo projects at Flensburger Schiff- bau-Gesellschaft initiated by Faeroese company Smyril-Line and the progres- sive Turkish operator UND RoRo.

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MPI Introduces New Products

Marine Propulsion, Inc. has recently added a high-speed controllable-pitch propeller to its product line, with a power range of 600 to 2,000-hp. The new CP propellers are available in two versions: one is a full CP coupled to a

Heimdal gearbox; the second is a two- pitch actuator, which can be used with conventional reverse reduction gears.

MPI now also offers complete electric drive systems — both conventional and

Z drive applications from 200 to 2,000- hp. To expand its reach, MPI has opened a sales office in Houston, electing Syd

Smelt to run the office.

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Cincinnati Gear Introduces

New Marine Reduction Gear

Cincinnati Gear recently introduced the MA-635, compact marine reduction gearbox. With the increasing demands of space-efficient engine rooms in today's mega yachts and the increasing accep- tance of gas tur- bine engines, the desire for smaller, lighter gearboxes has become imminent.

Cincinnati Gear has developed an inno- vative design to meet these new demands.

The MA-635 takes the same elements that made the MA-107 successful and condenses them to a smaller, lighter design package. The new design light- ens the gearbox by 2,000-lbs. and reduces the size by 25 percent compared to the standard MA-107 design. While the MA-107 utilizes parallel shaft gear-

September, 2000 box technology, the MA-635 is a 2-stage epicyclic (planetary)/parallel shaft design, designed to make it more com- pact and efficient.

Output speeds range from 1,100 to 1,800-rpm. The gearbox was initially designed for use in mega yachts and patrol boats utilizing Honeywell's TF50 gas turbine engines, but has the potential to be used in many types of marine craft with gas turbines of similar output torque.

Other features of the MA-635 include hardened and ground gearing, antifric- tion bearings, aluminum housing and complete lube system with optional dis- connect clutch and PTO accessories.

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New Corvette Features TF50A

The first Swedish Navy Visby-class stealth corvette was launched powered by four TF50A marine aeroderivative gas turbines in a Combined Diesel Or

Gas (CODOG) turbine configuration.

Vericor Power Systems provided the

TF50A propulsion packages.

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