the A floats

[Richard Brekne]

Grin... caught you off guard with that one...

Its just that I seem to remember that on the PTG writen exam the 
question comes up... in which way does the panel grow/shink the most 
with climatic changes... and the answer was "in thickness".  Perhaps a 
bit off the origional question... but you know me... hehe.

Cheers
RicB

Farrell wrote:

>What the f.......
>
>Thickness???? Hmmm, well, I guess we are talking about a 3% change in length
>under the conditions described. If the panel is 8 mm thick - and let's say
>5% change in size because it expands more in the thickness direction than
>cross grain on a quater-sawn panel - maybe we could see 0.4 mm change? That
>seems like a lot! But in the end, what is the difference, given the
>question - how long does it take for a panel to react? Am I missing
>something? Regardless of what happens during the reaction to a change in
>relative humidity, isn't it the rate of change that was in question?
>
>Terry Farrell
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>>Yo
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