Machining Nose for Atomic Bomb "Little Boy" dropped on Hiroshima Japan #ww2 #military #cnc #history

Published on August 8, 2025
Duration: 1:57

This video details the CNC machining process for recreating the nose cone of the 'Little Boy' atomic bomb. It showcases material preparation, high-pressure metal spinning over a mandrel, waterjet trimming for precision, and final assembly onto a replica bomb casing. The process highlights advanced fabrication techniques used in historical ordnance replication.

Quick Summary

The 'Little Boy' atomic bomb nose cone replica is made using CNC metal spinning, where a metal disc is shaped over a mandrel. Precision waterjet cutting then trims excess material for a perfect fit onto the bomb casing.

Chapters

  1. 00:00Material Preparation for Nose Cone
  2. 00:42CNC Metal Spinning Process
  3. 01:16Workpiece Removal from Lathe
  4. 01:26Waterjet Trimming of Nose Cone
  5. 01:41Final Assembly of Replica Bomb

Frequently Asked Questions

How is the nose cone for the 'Little Boy' atomic bomb replica manufactured?

The nose cone is manufactured using CNC metal spinning. A flat metal disc is shaped over a mandrel using a high-pressure roller, followed by precise trimming with a waterjet cutter to ensure perfect fitment.

What specialized machinery is used in recreating the 'Little Boy' bomb components?

Specialized machinery includes CNC spinning lathes for forming the metal nose cone and waterjet cutting machines for precise trimming. Prism Machinery Ltd equipment is visible in the process.

What is the purpose of waterjet cutting in this fabrication process?

Waterjet cutting is used to precisely trim excess material from the formed nose cone. This ensures a perfect fit for the bomb casing and maintains the accuracy of the historical ordnance replica.

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