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MythBusters - Spark Plug Ceramic Versus Car Window
This item updates item 'Tough Glass'

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Added: Nov-11-2009 
By: jackal452
In: Arts and Entertainment, Other
Tags: MythBusters, spark plug, ceramic, car, auto, automobile, glass, window, shatter, ninja rocks
Marked as: approved
Views: 29310 | Comments: 18 | Votes: 0 | Favorites: 1 | Shared: 1721 | Updates: 0 | Times used in channels: 1
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  • Why throw a piece of the spark plug? Hell, if you want to break a window just throw the whole damn spark plug through it.

    Posted Nov-11-2009 By 
    migs1955 (914.24)  

    (4)

    • that would be too easy ...

      i think they're running out of myths, so they added a chick and starting to make sh!t up

      Posted Nov-11-2009 By 
      FTE (264.96)

      (-1)

    • its not made up some fucking low life criminals from my old school used to do this to car windows and steal the mobile phones.................... this is 100% fact

      Posted Nov-11-2009 By 
      mrmick12345 (16.92)  

      (2)

  • According to Answers.com, "It has to do with hardness. Glass is actually "harder" than iron on the Mohs scale, and spark plug ceramic (technically called "aluminium oxide ceramic") is much harder than glass. Aluminium oxide ceramic actually rates a 9 on the Mohs scale; diamonds are 10, glass is 6.5, and iron is 4.5. That's the key to the whole thing, and why it's surprisingly hard to break a window with a hammer and surprisingly easy to break it with a small, light littl More..

    Posted Nov-11-2009 By 
    jackal452 (1178.50)  

    (3)

  • Comment of user 'RCinPAWA' has been deleted by author!

  • I prefer the 12 ga. method.

    Posted Nov-11-2009 By 
    lonewolf6972 (677.66)

    (2)

  • This happened to my truck...Found a small piece of ceramic from the spark plug on the ground. Mine was tinted so it did not completley cave in. In fact I did not even realize it till I looked out the window into the side mirror....It looked like spider webbing. Cost me 200 bucks...Little neighborhood bastard child I assume.

    Posted Nov-11-2009 By 
    boomersooner (2093.14)  

    (2)

  • Comment of user '' has been deleted by moderator!
  • Comment of user '' has been deleted by moderator!

    • I dont think its the spark plug that does it. I think its that ceramic is very hard and if you bust it and come up with a nice, sharp, jagged edge, and you manage to impact that edge on a window, the pounds per square inch generated at that razor point is far in excess of a regular item thrown at the window, including a spark plug.

      In other words, it cant be the tip of the spark plug, or the rounded edge of the ceramic, but a very sharp corner, because that thing wont dull on impact like a r More..

      Posted Nov-11-2009 By 
      DarioInfini (208.64)  

      (3)

    • Good explanation.

      You should write tech manuals.

      Posted Nov-11-2009 By 
      sprunk (208.86)

      (3)

  • Wow... I would have bet against that.

    Posted Nov-11-2009 By 
    sprunk (208.86)

    (0)

  • How do you remove the piece of spark plug? I have a spark plug, I just don't know how to remove the ceramic piece.

    Posted Nov-28-2009 By 
    blueaurasx (10.04)  

    (0)

  • Comment of user '' has been deleted by moderator!