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The Engineer's Notebook is a shared blog for entries that don't fit into a specific CR4 blog. Topics may range from grammar to physics and could be research or or an individual's thoughts - like you'd jot down in a well-used notebook.

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The First Casualty of Christmas: Moment Diagram of Christmas Tree

Posted December 12, 2017 9:07 AM by BestInShow

A blog entry from 2015 that seamlessly combines engineering and holiday decorating.

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Guru
Popular Science - Weaponology - New Member United Kingdom - Member - New Member

Join Date: May 2007
Location: Harlow England
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Re: The First Casualty of Christmas: Moment Diagram of Christmas Tree

12/19/2017 3:52 AM

It tickled me to read that some people wondered why the tree split...
Hmmmm primitive man has been splitting wood by using wedges for millennia using antler wedges etc.
As the tree dries out it will have a tendency to shrink and crack. A radial crack will propagate along the length starting at a convenient stress point. that's why logs are generally halved before they are stored for seasoning.
Del

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