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2.1.1
Steering Gear
The steering gear room is to be arranged at the stern as shown in the G.A.
The steering gear is to be of a single loop system electro-hydraulic, two (2) ram four (4) cylinder rapson slide type and to have construction and control system which meet the requirements of Classification Society.
The steering gear is to be provided with two (2) pump units.
The steering gear is to be capable of putting the rudder over from 35 degrees on one side to 30 degrees on the other side within 28 seconds with the vessel running ahead at the scantling draught with the maximum service speed according to the requirements of the Rule/Regulations.
Two (2) pump units, which act simultaneously, are to enable the steering gear to operate the rudder so as to meet the above-mentioned design conditions.
The maximum rudder angle is to be limited to 37 degrees on either side by means of the stoppers fitted on the steering gear.
The steering gear is to be controlled by means of an electric duplicate auto-pilot system. Detailed particulars are described in the Electrical & Automation Part.
The steering gear is also to be controlled in the steering gear room by a local control device in an emergency.
A hydraulic lock alarm system is to be provided for the steering gear in accordance with the requirement of the Classification Society. The alarm is to be indicated in the wheel house.
The construction, material, accessories, spare parts and tools are to be in accordance with manufacturer's standard. |
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发表于 2008-4-12 12:21
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