... DNV,LR,GL,NK,RINA 3.Single,double rudder Manual Hydraulic Ship Steering Gear 1. Features and ApplicationManual Hydraulic ... :3. Hydraulic System Principle Diagram:4. Rudder Propelling Setup Configuration and I nstallation Dimension:Improved Hydraulic Steering Gear ... rudder propelling setup has double cylinder single rudder and double cylinder ...