I Built a Transparent Katana (it's unbreakable)

Mike Shake19 minutes read

An individual creates a transparent and durable sword using polycarbonate after being inspired by a picture, showcasing its strength by cutting through various materials successfully without major damage. The sword's construction process, from shaping and sanding to testing its sharpness and durability, is detailed, culminating in a final test involving hitting a brick.

Insights

  • Polycarbonate was chosen as the material for the sword due to its impact resistance, making it ideal for creating a durable and transparent weapon.
  • The katana crafted from polycarbonate proved its strength by successfully cutting through various materials like watermelon, pumpkin, wooden planks, gelatin, bone, and even a brick, showcasing both its sharpness and resilience.

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Recent questions

  • How was the indestructible sword inspired?

    The individual was inspired by a picture.

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Summary

00:00

Creating an Invisible Indestructible Polycarbonate Sword

  • The individual desires to create an invisible and indestructible sword after being inspired by a picture.
  • Glass was initially considered for the sword due to its transparency and sharpness potential but was deemed too fragile.
  • Polycarbonate, known for its impact resistance, was chosen as the ideal material for the sword.
  • A large panel of polycarbonate was acquired to form the body of the sword.
  • The sword's shape was outlined on the panel using tape for accuracy.
  • The sword's size was unintentionally made larger than normal but was deemed manageable due to polycarbonate's lightness.
  • The sword's shape was cut out using a band saw and refined with a belt grinder.
  • The sword's transparency was enhanced through sanding with various grits and polishing.
  • Distortion issues due to variable thickness were addressed by creating a shorter bevel.
  • The sword's handle was crafted by gluing extra polycarbonate pieces and shaping them to form the handle.

15:37

Katana tested on various targets for durability.

  • The sword is tested without a handle, aiming to assess its strength and durability, starting with cutting a watermelon and then a pumpkin, both successfully.
  • A wooden plank is used as a harder target, with the katana surprisingly destroying it without any damage to the blade, showcasing its strength.
  • The katana is further tested on a ballistic dummy, successfully slicing through gelatin and bone, proving its sharpness and power.
  • The final test involves hitting a brick, resulting in minor damage to the katana's edge but no significant harm, highlighting its resilience and durability.
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