Page 38: of Maritime Reporter Magazine (September 1988)

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Naval Propulsion Systems (continued) ing power. GMT engines have also been used for cruise propulsion in

Italian Maestrale Class frigates and

Animoso Class destroyers.

Sulzer Brothers engines are on a wide variety of naval auxiliary ves- sels and research ships. For exam- ple, Argentina's naval auxiliary ves- sel Cabo San Antonio is equipped with four Sulzer 6ZH40 diesel en- gines.

Additionally, 5RTA76 series en- gines with PTO were installed on the 615-foot T-5 tankers built by

Tampa Shipyards.

Bombardier Inc. of Montreal, which purchased Alco Power Inc. in 1984, supplied 42 Paxman Valenta engines to Bollinger Machine Shop & Shipyard Inc., for installation aboard Island Class patrol boats for the U.S. Coast Guard. The engines, which develop 2,880 bhp each at 1,500 rpm, will be used as main pro- pulsion on the patrol boats. The engines will drive through ZF re- verse/reduction gears. Electrical power for each craft is provided by two 99-kw generators driven by Cat- erpillar 3304T diesels.

Deutz MWM has begun deliver- ing 24 self-contained generating sets

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Circle 152 on Reader Service Card Circle 175 on Reader Service Card 44 of 850 kw each to the Canadian

Navy for their new patrol frigates.

Deutz MWM sold 32 sets of an almost identical configuration to the German Navy for use aboard their F-122 Bremen Class frigates.

Diesel engine manufacturer

Krupp MaK, which has more than 100 years' experience in naval equipment, offers a number of me- dium-speed, four-stroke heavy fuel engines in the output range from 740 to 9,900 kw (1,000-13,500 hp).

For example, Krupp MaK offers the heavy-fuel engines M453C and the M332, both of which boost low fuel consumption. The company re- ports that both engines feature ex- cellent ratio of maximum to mean piston pressures, but moderate, and therefore, safe, operational values.

The U.S. Coast Guard awarded a $9.2-million contract to the Electro-

Motive Division (EMD) of General

Motors for 32 propulsion engines, as part of an ongoing program to mod- ernize existing Coast Guard vessels which are being used throughout the coastal waters and the Great

Lakes.

EMD propulsion was also select- ed to power the U.S. Army's newest logistic support vessels (LSVs).

Each 273-foot LSV is powered by two EMD 16-1645-E2 diesel engines to speeds of about 12 knots.

The 270-foot Medium Endurance

Coast Guard Cutters under con- struction at Robert E. Derecktor

Shipyards in Middletown, R.I., are each powered by a pair of 3,500-hp

Alco diesel engines to speeds of about 19.5 knots. The ship's service electricity is provided by two 475- kw Caterpillar gensets.

Smaller Military Vessels

Within the past year, each of a series of seven Spanish Customs

Service patrol boats were fitted with a pair of Deutz MWM TBD 234 V- 12 diesel engines. Rated at 1,000 hp each, the engines directly drive Riva

Calzoni IRC 41 DL waterjets to pro- pel the 47-foot craft to speeds of about 54 knots. The engines ex- tremely low fuel consumption allows the vessels to operate for long peri- ods of time and in greater sea radius.

Cummins 4BT3.9-M turbo- charged four-cylinder diesel engines power Zodiac Hurricane rigid infla- tible boats (RIBs) employed by the

Canadian Coast Guard. Each of the 3.9-liter Cummins B Series diesels develop 100 horsepower at 2,500 rpm. The boats, which cruise at a speed of 14 knots, are propelled by a

Parker waterjet propulsion system.

The U.S. Coast Guard and Navy are both testing Cummins 6BT- and 4BT-powered Hurricane RIB dem- onstrators and a prototype.

MonArk Boat delivered a 28-foot search/rescue patrol boat to the

U.S. Coast Guard, which is powered by twin Volvo Diesel AQAD41/290 engines, each rated for 200 hp at 3,800 rpm. The all-aluminum craft, which features a semi-V planing hull, can obtain speeds in excess of 38 knots.

The U.S. Navy's 135-foot landing craft utility (LCU) vessels, which

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