NORSHIPCO Y-2274-2 Arrangement-Details of Rudder Stock Tiller-Tiebar.pdf

This is a technical engineering drawing set for a Dredge Yaquina, specifically detailing the arrangement and details of rudder stock, tillers, and tiebars. The document comprises four pages of detailed mechanical drawings with plan views, elevations, sections, and component details for various rudder assembly components.

The drawings illustrate multiple plan views showing the rudder system from different angles, including port and starboard configurations. Key components depicted include rudder carrier assemblies, tiller cranks, hydraulic cylinders, steering gear components, and various fastening details. The specifications include detailed measurements, material callouts (primarily steel and cast steel), and drilling/tapping requirements for bolts and hardware. A comprehensive list of materials is provided on page one, identifying over 60 individual components with specifications for diameter, material type, and remarks. The drawings contain numerous cross-referenced details (labeled Detail 10-B through Detail 31-A) that provide enlarged views of critical connection points, bearing housings, retaining rings, and assembly interfaces. General notes indicate adherence to ABS (American Bureau of Shipping) standards and reference to EDS (Engineering Design Standards) for structural details and welding specifications. The document is prepared for the U.S. Army Engineer District, Portland, Oregon, and credited to designer Nordstrom and corporation Guerin-Reston Dredge Corporation.