SeaRex Surface-drive

Product catalog summary

Introduction
Zf Marine introduces a new state-of-the-art surface-drive system, SeaRex, designed to overcome the limitations of existing designs. This system is suitable for various applications including pleasure, commercial, government, and defense vessels.

Design and Engineering
The SeaRex system features an integrated trim configuration and innovative tie bar design, enhancing the durability and reliability of the driveline components. The design process involved modern 3D solid computer modeling and Finite Element Analysis (F.E.A.) to optimize geometry and stress distribution. Sea trials and bench tests were conducted to verify design stresses under real-world conditions.

Specifications
The document provides detailed specifications for different SeaRex models (100 S, 120 S, 140 S, 160 S), including maximum input torque, power, weight, and dimensions. For example, the SeaRex 100 S has a maximum input torque of 5400 Nm and a weight of 258 kg.

Key Features
SeaRex boasts several innovative features such as a propeller shaft made from superior quality stainless steel, simplified installation, integrated sensors, compact hydraulic unit design, and the ability to add trim tabs, autopilot, and tiller actuators within the main unit. The system also allows for simple fine-tuning adjustments of piston speed.

Options and Enhancements
Optional features include the Automatic Trim Control System (ATCS) and Automatic Steer Control System (ASCS), both of which enhance vessel performance and safety. Additional options include a powerful color LCD for monitoring and control, analog instrumentation, and electric/manual pumps for redundancy.

Conclusion
ZF Marine's SeaRex surface-drive system represents a significant advancement in marine propulsion technology, offering reliability, ease of maintenance, and enhanced performance. Developed in collaboration with a FERRETTIGROUP brand, it is a testament to ZF Marine's commitment to innovation.

Catalog excerpts

® Surface-drive Marine Propulsion Systems

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Innovation can be seen and felt ZF Marine is proud to offer you the ultimate in surface-drive technology. SeaRex Key Features of SeaRex Design - Propeller shaft manufactured with superior quality stainless steel - Simplified installation procedure - Integrated sensors require no external cabling - No exposed external hydraulic lines or fittings - Extremely compact design for the hydraulic unit - Trim tabs, Autopilot and Tiller actuators can be added within the size of the main unit (stacking concept) - Simple fine tuning adjustment of pistons speed - Numerous mechanical improvements as a result...

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Driveline and Chassis Technology 03 05 001 0612 - June 2012 Photo: courtesy of Pershing ZF Padova S.r.l. Via Penghe, 48 I - 35030 Caselle di Selvazzano (PD) ITALY Tel. +39 049 8299 311 Fax +39 049 8299 550 www.zf.com/marine

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