JAPANESE ARISAKA TORTURE TEST

Published on June 22, 2013
Duration: 15:34

This Arisaka Type 99 torture test demonstrates the rifle's legendary strength, handling overpressure loads with surprising resilience. Even extreme obstructions and direct fire failed to immediately destroy the robust action, though significant damage like a 'ringed' barrel and case disintegration occurred under severe stress. The test highlights the importance of proper reloading practices and the historical engineering prowess behind these WWII firearms.

Quick Summary

The Arisaka Type 99 rifle is renowned for its exceptional strength, with historical tests showing its action could withstand pressures up to 90,000 PSI. During a torture test, it handled 20% overpressure loads but failed under extreme H110 charges, causing a stuck bolt and brass deformation.

Chapters

  1. 00:00Introduction & Teaser
  2. 00:27Arisaka Strength & History
  3. 01:57Baseline Functionality Test
  4. 02:21Overcharge Testing (IMR 4895 & H335)
  5. 06:17Extreme Pressure Test (H110)
  6. 10:22Hatcher's Obstruction Theory Test
  7. 12:23Destructive Obstruction Test
  8. 14:01Final Destruction Test

Frequently Asked Questions

How strong is the Arisaka Type 99 rifle action?

The Arisaka Type 99 is historically considered one of the strongest bolt-action rifles ever made. Tests by Julian Hatcher indicated its action could withstand pressures up to 90,000 PSI, far exceeding standard operating pressures.

What happened when the Arisaka Type 99 was subjected to extreme pressure loads?

During the torture test, a severe overpressure load using 40 grains of H110 pistol powder caused the bolt to stick, requiring a hammer to open. Significant brass deformation was also observed.

Can firing a round clear a mud-obstructed barrel?

The test demonstrated that firing a service round behind a significant mud obstruction (6-8 inches) did not clear it. Instead, it caused a 'ringed' barrel and case failure due to extreme pressure buildup.

How did the Arisaka Type 99 fare in the final destruction test?

In the final stage, the rifle was subjected to direct fire from an M1 Garand. While the robust action showed resilience, the receiver and stock sustained visible physical damage from the impacts.

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