An AWESOME video showing the advantage of ductile iron over cast iron

If you're not familiar with Christopher Schwarz's blog over at, you owe it to yourself to check him out and to add his blog to your bookmarks.  My favorite video of his has to be the one where he is smashing hand planes in order to first demonstrate the difference between cast iron and ductile iron; followed by the attempted destruction of a WoodRiver plane in order to determine it's make-up.  

I wish I could embed the video here, but I can't so check it out here:

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