Archimedes Plutonium wrote in message ...
This is a question following from several observations of a elm tree.
There was an elm tree that was wind damaged and the limbs finally came
down after several years hanging in the tree. It was old and dry but
very strong and much harder to break than a green limb.

So I am wondering what is the preparation for the strongest wood from a
given tree. Whether the weakest wood is the green alive wood. Whether
cut wood that is dried in a dryer is stronger than green wood. And
finally whether the strongest wood of all is to kill the entire tree and
let it dry for several years and then harvest the wood.

If true, what is the explanation?

Archimedes Plutonium
www.iw.net/~a_plutonium
whole entire Universe is just one big atom where dots
of the electron-dot-cloud are galaxies

Dry wood is stronger than green wood. Go look it up in the
authoritative Wood Handbook, which you can find online chapter by
chapter as free downloadable .pdf files.
See chapter 4 on mechanical properties.
http://www.fpl.fs.fed.us/documnts/fp...tr113/ch04.pdf
See Table 4-11a on page 4-28 showing the difference between green wood
and dry (~12% moisture) wood. Read the rest of the book for
explanations.

Pittsburgh Pete