UKTC Archive

RE: Pine fork..small diversion..

Subject: RE: Pine fork..small diversion..
From: Nick Hammick
Date: Mar 20 2019 09:41:36
Jim wrote, in part<<What was known as Russian Grade 3 timber>>

Measured, no doubt, in Petrograd Standards....as I recollect from my old Mike 
Winn/Newton Rigg days.

Btw Jim re; Crawley Blues Club... I'm nabbing PG as the moniker for my 
fledgling Blues Rock outfit...

All the best..

Nick Hammick
Tree Officer
Merton

-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info <uktc-request@xxxxxx.tree-care.info> 
On Behalf Of Jim Quaife
Sent: 20 March 2019 09:24
To: UK Tree Care <uktc@xxxxxx.tree-care.info>
Subject: RE: Pine fork

There are extensive data about the timber qualities of all timber trees 
around the world, and I have two rarely referred to, but treasured books - 
Handbook of Hardwoods and Handbook of Softwoods - both bought before decimal 
currency in the UK, but still useful (although all qualities are imperial).  
Although I'm simplifying the matter, generally the slower softwoods grow the 
better.  What was known as Russian Grade 3 timber was highly valued because 
it had grown slowly was tougher and easier to work with woodworking tools.  
I recall a good friend of mine, a respected arb with a very successful AAAC 
company, asking me to market timber arising from post 1987 clearances.  I 
explained why generally amenity trees did not produce good timber, but it 
wasn't until I showed him 1st grade forestry timber that the penny dropped.
By the way, cypress generally is a strong durable timber which when forestry 
grown is used in construction.
Jim 

-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info 
[mailto:uktc-request@xxxxxx.tree-care.info] On Behalf Of Wayne Tyson
Sent: 19 March 2019 17:25
To: UK Tree Care
Subject: Re: Pine fork

Ah, one of my earliest cases (species) as a young "tree surgeon" while still 
in college (1956-57). Learned how intolerant the heartwood is of any 
narrowing of its girth.

A very challenging case indeed!

If you look at the SSWly view from 2009, you will see that there is still 
space between the two visible co-dominant stems, the one on the left being 
the slightly smaller of the two, whilst in the current photo, the gap appears 
to be closed. As these two expand, one might ask about the relative forces 
resulting from their increases in circumferences. The smaller on on the left 
is out of plumb, so one might ask about the amount of added force the angle, 
weight, and moment-arm might apply to the union.

One might also ask how compromised the root-plate remains following the 
severance of roots during the excavation for the macadam. And one might 
gather as much information as possible about the soil profile and underlying 
geology and ponder the total environment of the root system. A few 
small-diameter core, taken at some distance from the tree, might be revealing.

One might ask if any pathogenic activity has compromised the tight crotch 
regions, and whether any damage by fungi is tolerable at all, given that any 
destruction of tissue is tolerable at such junctures (where both force and 
resistance to force may be greatest). Might check the old scars from past 
limb-removals too, even those which have "healed."

All of us get prettier and more treasured with age, no? Too bad this old 
beauty had to suffer the slings and errors of outrageous "care" in its youth.

And finally, but perhaps most important, might be to ponder the trend--is the 
situation going to improve or degrade with time? No one can predict the exact 
*time* of system failure, but one can tell up from down. Screw one's courage 
to the sticking-place indeed! Or stick one's head in the noose?
Quite a conundrum!

Wayne



On Tue, Mar 19, 2019 at 2:29 AM John Hearne <johnhearne7@xxxxxx.com> wrote:

Solid as a rock? Any thoughts on prognosis for the fork in this 
Monterey Pine - two stems tightly compressed?

*https://urldefense.proofpoint.com/v2/url?u=https-3A__tinyurl.com_yyu7
7tbs&d=DwIFaQ&c=HmJinpA0me9MkKQ19xEDwK7irBsCvGfF6AWwfMZqono&r=6i9mV60e
UKXnZB0e3o0Bv2vOEByH6SsLF01MSLiO55A&m=OHSbjfyX-_rZcx76RIoXJPlNbebrO4xJ
5U9xPAyvgrc&s=mTL0VEnbv65rWv_S529PrnGhN8Xli6ssXM0lhu-Ohvg&e= 
<https://urldefense.proofpoint.com/v2/url?u=https-3A__tinyurl.com_yyu7
7tbs&d=DwIFaQ&c=HmJinpA0me9MkKQ19xEDwK7irBsCvGfF6AWwfMZqono&r=6i9mV60e
UKXnZB0e3o0Bv2vOEByH6SsLF01MSLiO55A&m=OHSbjfyX-_rZcx76RIoXJPlNbebrO4xJ
5U9xPAyvgrc&s=mTL0VEnbv65rWv_S529PrnGhN8Xli6ssXM0lhu-Ohvg&e=>*



--

Hearne Arboriculture

www.hearnearboriculture.com



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