Wood Drying Topics > General Discussion

Schedule for 3+4" Doug Fir

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JakePower:
I've been following this website for a while, but have never posted before this. I need to dry some 3-4" thick Douglas Fir in my Nyle Dehumid kilns to approx 15%. This is the schedule I am planning on working with and I am curious if anyone thinks i need to adjust this at all:

% MC   DB Temp (˚F)   WB Temp (˚F)   DEP
Above 30 %   115              96                    19
30 to 25 %   130              108            22
25 to 20 %   140              108            32
20 to 15 %   150              115            35
15 to Final %   160              115            45

Any thoughts?

MichaelM:
I would be inclined to use a 10F depression for the first few days to reduce the chance of checking.  Then at the end, use a 20-25F depression when the average MC is less than 20% to reduce the overdry and variability.  What you have will work, however.
Mike M.

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