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5/16 oak dowels ???

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dmassphoto:

--- Quote from: Badger on March 11, 2010, 02:37:31 pm ---   Oak dowels are really dangerous if they have run offs, I think poplar dowels are safer. Oak seems to break very easily at the runoff point.

--- End quote ---

Thanks for the post.  In my earlier post, I asked exactly how one can explain grain runoff, but didn't get an answer.  Could you or anyone else explain?  Also, I accidently took photos of two oak shafts.  I will shoot the Poplar in a minute.  EDIT:  photo changed in previous post.

CraigMBeckett:
dmassphoto ,

If you carefully look at the two shafts you photographed, the poplar one appears to have the annual growth rings, (incorrectly called grain by some) running down the whole length of the shaft shown in the photograph and provided the sides and length we cannot see are similar it should make a "safe" arrow. ON the other hand the oak shaft has the rings running off towards the RH end, that is the annual rings come to points, These are weak points and the shaft may break here.

Craig.

Pdwight:
OK , gotta ask. On the Poplar photo you can see the lines or growth rings , but on the oak shaft you can see ellipses or chevrons formed by ???

Do these make the shaft more prone to breakage...if so this helps me a lot when it comes to picking out wood.

Thanks
Dwight

dmassphoto:
Craig,
  Thanks a bunch for the input.  So, you're saying if I see anything like in the picture below, that is runoff, or "chevrons"?



Is it acceptable to have any of those on an arrow shaft, or should the growth rings run completely down the entire shaft for it to be usable?  Currently, the Poplar shaft that I shot has two "chevrons" spaced abotu 4" apart starting around 7" from the nock point.  Thanks again for your input.

scattershot:
Commercial shafts are considered good if the runout from side to side is more than 22".

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