Knife Grave Yard Fails: You Won’t Believe Our Results

Published on September 5, 2015
Duration: 14:40

This video from nutnfancy details a rigorous durability test on various knives, including the Buck Nighthawk, Cold Steel Recon Tanto, Ontario Rat 7, Ka-Bar, and Becker BK7. The test involves striking the knife spines against shale rocks to assess brittleness and structural integrity. The results highlight the performance differences between various steels and construction methods, with some knives failing catastrophically while others prove exceptionally robust. The assessment is delivered with an informal yet critical tone, reflecting the instructor's extensive experience with gear testing.

Quick Summary

Nutnfancy's durability test involved striking knife spines against shale rocks to check for brittleness. The Ontario Rat 7 and Ka-Bar (1095 Carbon Steel) excelled, as did the Cold Steel Recon Tanto (San Mai III). The Buck Nighthawk (420 Stainless) also performed well. Failures included a brittle AK47 bayonet and a broken handle on the Cold Steel Chaos.

Chapters

  1. 00:00Introduction to the 'Rock Test'
  2. 02:23Buck Nighthawk Test
  3. 03:44Cold Steel Recon Tanto Test
  4. 05:17Bulgarian AK47 Bayonet Failure
  5. 06:33Ka-Bar and Ontario Rat 7 Tests
  6. 09:42Becker BK7 and Cold Steel Chaos Retest

Frequently Asked Questions

What kind of test was performed on the knives?

The knives were subjected to a durability test where their spines were repeatedly struck against hard shale rocks. This 'Rock Test' was designed to assess the brittleness and structural integrity of the blades and their overall construction under significant impact stress.

Which knives performed well in the spine-strike durability test?

The Ontario Rat 7 and Ka-Bar, both made with 1095 Carbon Steel, passed the test with excellent shock resistance. The Cold Steel Recon Tanto in San Mai III also maintained its structural integrity, and the Buck Nighthawk in 420 Stainless Steel showed surprising toughness.

Which knives failed during the durability test?

A Bulgarian Circle 10 AK47 bayonet catastrophically failed, snapping in half due to extreme brittleness. Additionally, the cast metal handle of the Cold Steel Chaos broke during impact testing, even though the blade remained intact.

What is the significance of the steel types mentioned (1095 Carbon, San Mai III, 420 Stainless)?

The test highlighted the performance differences: 1095 Carbon Steel proved highly shock-resistant, San Mai III offered a good balance of hardness and toughness, and 420 Stainless Steel, while more affordable, showed surprising resilience in the Buck Nighthawk. The AK47 bayonet's failure indicated poor steel quality or heat treatment.

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