Reply by JJohnston

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Posted on why so up tight!?

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1613 posts in 2380 days

#1 posted 02-11-2011 05:37 PM

Tension (also called “reaction”) wood usually comes from branches. A branch is under continual bending stress its entire life, moreso the more horizontal it is. The wood on the bottom is under compression, and the top is in tension. These stresses are locked in as it grows, so it does crazy things when the bending stress is relieved. This can also happen with a trunk that grew bent, or not vertical.

-- "A man may conduct himself well in both adversity and good fortune, but if you want to test his character, give him power." - Abraham Lincoln

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