<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=US-ASCII">
<META content="MSHTML 6.00.2800.1400" name=GENERATOR></HEAD>
<BODY id=role_body style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: =
Arial"
bottomMargin=7 leftMargin=7 topMargin=7 rightMargin=7><FONT id=rol=
e_document
face=Arial color=#000000 size=2>
<DIV>
<DIV> <FONT size=3> Ron</FONT></DIV>
<DIV><FONT size=3> By the way</FONT></DIV>
<DIV><FONT size=3> Your thoughts & method on the capping rotary =
blocks
makes a whole lot a farm boy sense. I'm gonna try it. A 2 3/8' pin is only g=
oing
to end up with half its length in actual wood (well depending flange
thickness) Which means the portion in the wood has about eq=
ual
parts in botht he 15/32" & then delignit cap & rotary cut maple.. ah=
h
very slick I get it. what drill diameter does this set up like to bore=
at?</FONT></DIV>
<DIV><FONT size=3> I'll send the leftover cash right away</FONT></DI=
V>
<DIV><FONT size=3> Thanks</FONT></DIV>
<DIV><FONT size=3> Dale</FONT></DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: blue 2px solid"><=
FONT
style="BACKGROUND-COLOR: transparent" face=Arial color=#000000 size=
=2>That's
no different from the quarter sawn blocks. They self destruct under
<BR>extreme conditions too. The only disasters I've seen from the cheap bl=
ocks
<BR>(assuming competent installation in the first place) were in school
systems <BR>with steam heat where the RH% went from over 75% in the summer=
, to
under <BR>20% in the winter. In fact, that's one of the reasons I original=
ly
went to <BR>Delignit many years ago. The multi-lams tended to be snappy if=
they were <BR>drilled tight enough to hold up under climatic abuse. The
Delignit will do <BR>that too, but the double drilling helps that, which i=
s
one of the reasons I <BR>developed the process. The problem (among other
things) is that the bottom <BR>of the hole is as tight as the top of the h=
ole,
and it doesn't need to be. <BR>There's almost no string induced stress on =
the
pin and block at the bottom <BR>of the pin, so the bottom half of the bloc=
k
serves mostly to keep the pin <BR>pointed in the right direction, and supp=
ly
the snap of jumpy pins when it <BR>gets the chance. A low density block ca=
pped
with the Delignit bridge <BR>capping stock changes the torque gradient dow=
n
the pin, and lets the bottom <BR>catch up with the top without kicking the=
top
loose and snapping. Again, <BR>this works with both the $75, and the $315 =
low
density block. It is my <BR>expectation that, since the majority of the
tension and leverage is <BR>supported by the much tougher capping, the
underlying block is under <BR>considerably less load than if it were doing=
all
the work itself, and won't <BR>deteriorate nearly as badly or as quickly u=
nder
climate extremes as a <BR>result. Lower compression levels ought to mean l=
ess
compression set. That's <BR>the theory, anyway, and that makes the expensi=
ve
block a waste of money and <BR>good wood. I like it so far, but I'll let y=
ou
know in 20 years or so how it <BR>works out in long term practice.<BR><BR>=
Ron
N</FONT></BLOCKQUOTE></DIV>
<DIV></DIV>
<DIV> </DIV></FONT></BODY></HTML>