Chicago Piano 1.1"/75Cal High Explosive Tracer Self Destruct Round For Naval AntiAir #navy #military

Published on February 28, 2024
Duration: 0:35

This video provides an expert-level demonstration of the disassembly of a 1.1"/75 Caliber High Explosive Tracer (HET) round, commonly known as the 'Chicago Piano' round. The presenter, demonstrating high authority and expertise, details the markings and manufacturer (B.E. CO., 1942) and shows the process of unscrewing the fuse assembly. The yellow and red paint markings indicating its HET status are also highlighted.

Quick Summary

The 'Chicago Piano' round refers to the 1.1 inch/75 caliber naval anti-aircraft gun system. High Explosive Tracer (HET) variants are identified by yellow and red paint markings. The headstamp on a 1942 B.E. CO. Mark 1 Mod 1 round indicates manufacturer, designation, and year. Disassembly involves unscrewing the fuse assembly from the projectile's threaded tip, a procedure strictly for inert ordnance handled by experts.

Chapters

  1. 00:00Visual Overview of Chicago Piano Round
  2. 00:07Headstamp and Casing Markings (B.E. CO., 1942)
  3. 00:20Projectile Disassembly and HET Markings

Frequently Asked Questions

What is the 'Chicago Piano' round?

The 'Chicago Piano' round refers to the 1.1 inch/75 caliber naval anti-aircraft gun system, often featuring a quad-mount configuration. The ammunition used was typically High Explosive Tracer (HET).

How can you identify a High Explosive Tracer (HET) round?

High Explosive Tracer (HET) rounds are typically identified by specific paint markings on the projectile, often indicated by yellow and red circular paint patterns, signifying both explosive and tracer capabilities.

What information is found on the headstamp of a 1.1 inch Mark 1 Mod 1 round?

The headstamp on a 1.1 inch Mark 1 Mod 1 round, manufactured by B.E. CO. in 1942, reveals the manufacturer, the specific designation (Mark 1 Mod 1), and the year of production (1942).

What is the procedure for disassembling the fuse assembly of this round?

The fuse assembly is typically unscrewed from the threaded connection at the tip of the projectile. This process should only be performed on inert ammunition by trained professionals.

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