NORSHIPCO Y-2636-2 Shafting Arrangement.pdf

This document is a technical drawing/blueprint for a shafting arrangement for the Dredge Yaquina, prepared by Norshipco, Norshipco Corporation, with the U.S. Army Engineer District, Portland, Oregon, Corps of Engineers serving as the builder. The drawing is labeled as item F107243, revision Y-2636-2, and includes detailed mechanical specifications and assembly details.

The document presents multiple views of the propeller shafting system, including a propeller rotation diagram (looking forward, not to scale) and both plan and elevation views of the shafting arrangement from port side to starboard hand. Key components identified include the propeller hub, propeller, shaft strutting assemblies, rubber bearing supports, coupling flanges, thrust bearing split, and various associated mechanical elements. The drawing contains numerous reference notes and dimension callouts throughout, with a comprehensive reference list itemizing 22 specific components and assembly details including flange bearing splits, shaft assemblies, couplings, gearboxes, and distribution boxes. The technical specifications indicate this is a detailed engineering document prepared for naval/maritime construction purposes, documenting the complete shafting arrangement necessary for propulsion system functionality.