RING SHAKE vs WIND SHAKE
If a picture is worth a thousand words, here are 2,000 for you.
BY: John Cotten
LOCATION: Frankfort, KY
This is a great example of ring shake. This hickory tree was fire-scarred, which you can see in the slight gray color surrounding the ring. The smaller cracks radiating from the ring are wind shakes. This one is ringed all the way around following the annual ring of the year the tree was burned.
This log shows an example of wind shake. While part of the log is ringed, this is not a ring shake log. This tree was weak early on because the pith and the heartwood surrounding it were eliptical in shape instead of round. As you can see the wind shake is extending from the elipitical shaped crack across the annual rings towards the outside of the log. This is a small sycamore log about 12" in diameter. The smaller cracks radiating out from the center are just drying checks, a result of the end of the log beginning to dry out, and the grain cracking. The larger cracks were there when the tree was felled.
. . . John Cotten
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