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Author Topic: Using Fans for the initial Air Drying  (Read 6644 times)

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Offline kantuckid

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Re: Using Fans for the initial Air Drying
« Reply #40 on: June 06, 2021, 04:27:44 PM »
I wouldn't doubt that %, but since I'm still waiting on wall logs I have some time. My tractor remains dead so the p[ines I dropped have laid since Early May when the first guy managed to not work on it at all and only been moved bit over a week now to 2nd guy. I can hear the bugs eating as past few days the heats been on in the woods. I've got a bunch of 4x6 pine beams to saw yet if those trees stay OK.
 About half the stacks were in place early April but the last were month later. I moved my fans this afternoon. They are blowing oppositely which also mean they are sucking air through the stack beside them and ones doing a middle the other an end for now. I've about got my shop arranged for dead stacks and planning operation plus T&G-ing. I own too many MC's and got several still in the way of lumber milling. ;D
 
Kan=Kansas;tuck=Kentucky;kid=what I'm not

Offline GeneWengert-WoodDoc

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Re: Using Fans for the initial Air Drying
« Reply #41 on: June 11, 2021, 04:30:19 PM »
Fans are used for air drying usually in a shed.

The issue is the operating cost.  Let.  For example, if you have a small fan that uses 12 amps or 1500 watts, or 1.5 kWatts, and you run fit 12 hours a day for 25 days, and your electric useable is around 400 kW.With an electric rate of $,15 per kW, the cost is $60.  Is it worth $60 to have drier lumber in a shorter time? Of course, multiply $60 by the number of fans.
Gene - Author of articles in Sawmill & Woodlot and books: Drying Hardwood Lumber; VA Tech Solar Kiln; Sawing Edging & Trimming Hardwood Lumber. And more

Offline kantuckid

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Re: Using Fans for the initial Air Drying
« Reply #42 on: June 12, 2021, 06:50:51 AM »
There are another few localized factors: Electricity is cheap in E KY, plus I'm using box fans that don't draw 12 amps (more like half that) plus my shops on it's own meter and the shop minimum applies given that this time of year I tend not to be inside as much using that electricity. Once that planer kicks on that meter whirls!
My particular stacks were done in roughly two stages as I logged more trees to finish, so this fan thing sort of catches the top up with the bottom as I'll pull off the top when I walk boards to the planer, etc.. 
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Offline Don P

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Re: Using Fans for the initial Air Drying
« Reply #43 on: June 12, 2021, 09:16:57 AM »
This time of year drying faster also reduces stain.
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Offline WDH

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Re: Using Fans for the initial Air Drying
« Reply #44 on: June 12, 2021, 07:51:28 PM »
I use air drying fans constantly, especially this time of the year. 
Woodmizer LT40HDD35, John Deere 2155, Kubota M5-111, Nyle L53 Dehumidification Kiln, and a passion for all things with leafs, twigs, and bark.  hamsleyhardwood.com


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