... ,BV,DNV,LR,GL,NK,RINA 3.Single,double rudder Manual Hydraulic Ship Steering Gear 1. Features and ApplicationManual Hydraulic Steering ... it can keep the rudder angle stable during the operation. Manual Hydraulic Steering Gear is suitable for those samll boats and ... ) If the ordered steering gear system requires the rudder turning time to be ≤12s or ≤28s, and the maximum rudder angle ...