A2 - Enclosure-1_7003243_USACE Murden ABS_77419188_PROP Design.pdf

This technical drawing is an ABS (American Bureau of Shipping) design specification for a 5-blade marine propeller, dated 23-SEP-2013. The detailed engineering drawing provides comprehensive dimensional and technical specifications for a propeller with a 43.5 diameter, constructed from Bronze ABS Type 7 Alloy (Nibral). Key technical details include:

Propeller Specifications:

• 5 blades
• Pitch mean of 48.0
• Right-hand rotation configuration
• Weight: 480 lbs
• 20° blade tip angle
• Transverse, expanded, and projected views included
• Precise calculations for geometric parameters like chord distribution, pitch distribution, and thickness distribution

The document is part of a U.S. Army Corps of Engineers solicitation (W912PM25Q0034) for two new 5-blade propellers, with quotes due by 27 June 2025 at 2:00 PM ET. The procurement will be awarded to the lowest-priced technically acceptable offer, with electronic submissions required via email to specified USACE contacts.