Page 39: of Maritime Reporter Magazine (November 2000)

Workboat Report • Marine Propulsion nies are doing in electronic controls, we recognized that Mathers Controls was our ideal choice," said Roland Heil, ZF

Marine general manager and CEO. "Of course, we also recognized that the peo- ple at the company, and the people con- nected to the company, were responsible for its success."

ZF Expands Line

ZF Marine is expanding it's range of heavy duty commercial transmissions with a complete series using modular designed components, which will even- tually extend to torque capacities of around 100,000 Nm. This confirms ZF

Marine's intention to become a major supplier in the workboat market, as already achieved in the pleasure and fast-craft markets.

The first of this range, the ZF W23100

NR, was displayed at SMM in Ham- burg, and three of these transmissions have already been sold for installation in tankers being built in Istanbul, Turkey.

The ZF W23100 series has a maxi- mum torque capacity of approx. 26,000

Nm at ratios up to 3:1 and the ratio range covers 2.5 - 5.85. It is available for non-reversing applications with dis- engaging clutch (NR) or without clutch (NC). Provision is also made for the attachment of an O/D box for control- lable pitch propeller actuation. The robust, cast iron casing is split trans- versely at the axis of both the input and output shafts to allow easy on-board maintenance. Various PTO options are also available, both live and clutchable and clutch actuation is either electrical or pneumatic.

This gear series was designed at the

ZF Marine Group's German plant, ZF

Marine GmbH in Friedrichshafen, in conjunction with ZF Masson in France, and is manufactured at the ZF Padova plant in Italy, who this year received QS 9000 certification by Det Norske Veri-

JC-L to Showcase Tug Thruster and Fully Split Stern Shaft

John Crane-Lips - exhibiting at booth 2038 at the New Orleans Workboat Show - will feature the Lips Tug Thruster, which has recently been selected for several workboat newbuilding programs. JC-L will also fea- ture the Fully Split Stern Tube Seal, which eliminates the need for workboat drydock- ing for installation or seal maintenance.

John Crane-Lips is a leader in marine propulsion systems, providing complete onboard propulsion and sealing service for the commercial and naval fleets of the world. Products include hull, propeller shaft and onboard sealing systems, together with Lips propellers, shafts, waterjets, thrusters, and control systems. John Crane-

Lips also has niche leadership in precision cable handling systems.

Circle 62 on Reader Service Card tas. ZF Marine's highest capacity trans- mission, built primarily for the fast ferry market, has now been up-rated to accommodate new engine developments with ratings up to 8,200 kW /1.150 rpm.

The ZF 53000 NR series (formerly

BU 5300) is non-reversing for use with water-jet systems and is available with port or starboard horizontal offset, or vertical offset. The horizontal version includes a patented "ZF Antiflex" mounting system to prevent stresses caused by hull flexing from being trans- mitted to the gear housing.

The first application of the ZF 53000

NR was in the 449 ft. (137 m) Corsaire 13000 built by Chantiers de l'Atlan- tique, powered by MTU 20V 1163

Diesels and LM 2500 gas turbines. They have also been installed in two 197 ft. (60 m) "Jumbo Cats" with Caterpillar 3618 engines built in Norway by Fjell- strand, and further orders are pending.

Circle 50 on Reader Service Card

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Circle 336 on Reader Service Card

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Circle 337 on Reader Service Card 37