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Author Topic: Heat treating chert with fire, (another thought)  (Read 40608 times)

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Offline bowtarist

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Re: Heat treating chert with fire, (videos added)
« Reply #45 on: July 12, 2013, 11:23:04 am »
Wow. Like my wife would say, "It's Crazy Town in the pit".  Don't think you'll be collecting your chert today either. Gotta go, thanks for the pics. dp
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Offline StevenT

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Re: Heat treating chert with fire, (videos added)
« Reply #46 on: July 12, 2013, 11:27:50 am »
Just a thought, but is the temp being held because of the temp of the rocks? Since they are so well insulated, maybe they are holding their heat really well. Can't wait to see how it has affected the rock.
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Offline iowabow

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Re: Heat treating chert with fire, (videos added)
« Reply #47 on: July 12, 2013, 12:02:09 pm »
Just when you think you understand whats happening then this
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Offline iowabow

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Re: Heat treating chert with fire, (videos added)
« Reply #48 on: July 12, 2013, 01:29:22 pm »
Time 11:06 temp 566
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Offline paulsemp

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Re: Heat treating chert with fire, (videos added)
« Reply #49 on: July 12, 2013, 02:25:37 pm »
thank you for putting videos together I'm looking forward to having the time to sit down and watch them
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Offline iowabow

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Re: Heat treating chert with fire, (videos added)
« Reply #50 on: July 12, 2013, 02:47:00 pm »
11:30am 570
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Offline bowtarist

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Re: Heat treating chert with fire, (videos added)
« Reply #51 on: July 12, 2013, 03:30:57 pm »
Quote from: iowabow on July 12, 2013, 12:02:09 pm
Just when you think you understand whats happening then this

... :o ???
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Offline iowabow

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Re: Heat treating chert with fire, (videos added)
« Reply #52 on: July 12, 2013, 04:13:22 pm »
Well check this out. For those who dont know about 6pm on wed the last of the wood was added to the fire.

1:40pm I am going to replace the battery and make sure it is reading correctly. Also I will test this with the oven and make sure it is giving correct reading. I will have to wait to tesr untill after the firing.
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Offline twisted hickory

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Re: Heat treating chert with fire, (videos added)
« Reply #53 on: July 12, 2013, 04:40:36 pm »
When science meets primitive you realize that primative might be simple but it also does it's job :o. Can hardly wait to see the results.
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Offline iowabow

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Re: Heat treating chert with fire, (videos added)
« Reply #54 on: July 12, 2013, 04:42:54 pm »
2:23pm and dropping now to 574.

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Offline iowabow

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Re: Heat treating chert with fire, (videos added)
« Reply #55 on: July 12, 2013, 04:49:59 pm »
Quote from: twisted hickory on July 12, 2013, 04:40:36 pm
When science meets primitive you realize that primitive might be simple but it also does it's job :o. Can hardly wait to see the results.
I know how you feel but very concerned about the fast rate of climb in the beginning. Even if it is cracked we will learn a lot from this.
First the color will be interesting to see
Second the texture will still be able to be analyzed
Not to mention what we learned about how the fire functions by producing charcoal and ash this combined with the sand created a perfect atmosphere that brought the chert to our target temp of 600 or very near it.
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Offline iowabow

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Re: Heat treating chert with fire, (videos added)
« Reply #56 on: July 12, 2013, 09:04:33 pm »
6:45 temp 577
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Offline iowabow

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Re: Heat treating chert with fire, (videos added)
« Reply #57 on: July 12, 2013, 11:17:43 pm »
8:58 core temp 573 and surface temp is 140
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Offline iowabow

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Re: Heat treating chert with fire, (videos added)
« Reply #58 on: July 13, 2013, 12:48:36 am »
10:29 temp 565 and it look like it is falling
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Offline JW_Halverson

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Re: Heat treating chert with fire, (videos added)
« Reply #59 on: July 13, 2013, 12:53:24 am »
How long since you added any fuel to the fire?

Has the fire burned out and if so, how long ago?
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