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Author Topic: Free Red Oak and new addition to the sawmill (ok! it was actually sweetgum...)  (Read 3261 times)

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Offline WoodenHead

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Re: Free Red Oak and new addition to the sawmill
« Reply #20 on: July 26, 2013, 12:28:13 PM »
I had moment at lunch time to snap a couple pictures.  This is what red and white oak looks like around here.

Red oak logs:  (the one on top is aspen)



Quarter sawn board:

 

Flat sawn board:

 

Close up of grain:



Here are a couple pictures of white oak:

First the log:  (there's ash and maple in the background)



Close up of a flitch:

 

Offline Nomad

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Re: Free Red Oak and new addition to the sawmill
« Reply #21 on: July 26, 2013, 05:16:05 PM »
Most importantly, you got to spend time with your dad, doing something you both enjoy.


That's what it's all about right there :)

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Offline Dodgy Loner

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Re: Free Red Oak and new addition to the sawmill
« Reply #22 on: July 26, 2013, 05:21:30 PM »
I'll be out of town this weekend, but I'll get Dad to try the steel bar trick and I'll let you know what happens.

That only works when the wood is freshly sawn. Once the surface is dry, there's not enough moisture available for the chemical reaction to take place. You can wet it down, though. But I wouldn't bother with the test - it's sweetgum ;).
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Offline MSSawmill

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Re: Free Red Oak and new addition to the sawmill
« Reply #23 on: July 26, 2013, 07:00:52 PM »
Yeah, pretty sure you're right. We found some more pics of sawn boards from sweetgum and red oak. Pretty confident now that this was a sweetgum. Oh well!

Thanks for the insight!
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Offline WoodenHead

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Re: Free Red Oak and new addition to the sawmill
« Reply #24 on: July 26, 2013, 07:24:12 PM »
The point, though, is that we got some free (not pine) logs, got to make some sawdust, and now we have a tractor big enough to help us handle the big trees that are coming this Fall!  ;D ;D

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I wish I had a tractor big enough...   ;)

Offline Al_Smith

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Re: Free Red Oak and new addition to the sawmill
« Reply #25 on: July 26, 2013, 07:26:12 PM »
As been already mentioned if it were oak the smell is unmistakable .

After thought : I'm not familiar with a bandsaw but with a chain saw cutting much oak the tannin in the wood will cause the chain cutters and bar to turn black from the acidic reaction.

Offline dboyt

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Re: Free Red Oak and new addition to the sawmill
« Reply #26 on: July 29, 2013, 12:50:45 PM »
Congratulations on the mill and the logs.  One thing about the forum, there are always folks who put things in the perspective of the bigger picture, as well as noticing details.  Speaking of details, did the blade take a dive into the wood (looks like it might have, from your picture of the board)?  If so, you might want to increase the blade tension, and possibly change blades.  Sweet gum ought to saw pretty straight.  It takes a lot of hours of sawing to get everything dialed in, and there are a lot of variables to solve before you find that "sweet spot".  The main thing here is that the mill should cut straight, and to figure out how to make it do it.
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Offline MSSawmill

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Thanks, dboyt. I definitely have a lot to learn, but you have to start somewhere.

And I don't think the blade dives into the log. I think, and it's been a few weeks since we've run it so I'm struggling to remember, but I think it actually starts low and them climbs up the cut a little and then levels off. So the start of the cut is actually lower than the rest of the cut. Once it levels out, it's nice and straight, but the first 4 inches or so are a rise.

At least, I think that is what was happening. It might have been that it started out high and dove until it leveled out...

On that note, is there way to add a blade tension gauge to a homemade mill? The fluid filled one on the Woodmizer we helped out on was great, but can I get anything like it for our mill?
Home-built bandsaw mill
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Offline roghair

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MSSawmill, I think dboyt is referring to the 5th picture where the board is a lot narrower near the knot.
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Offline pineywoods

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MS, if you have the gumption to build a mill, building a woodmizer style blade tensioner would be a piece of cake. Peek at a woodmizer parts manual to see how simple and elegant the design is. Couple of blocks of aluminum, rod out of a hydraulic cylinder and 2 simple cheap seals..The indicator is a standard off-the-shelf pressure gauge.
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Offline Magicman

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In the OP he stated that he sawed everything "live edge".  My take on that planed board was that the live edge dipped in, not the blade.
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Offline MSSawmill

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Thanks, pineywoods. I'll check into that.

And you're right, magicman. That's the edge of the log.
Home-built bandsaw mill
2004 Kubota M110 with LA1301 loader

Offline Okrafarmer

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Sweetgummery! Very beautiful wood. Congrats on some nice big sweetgums.

One thing I've always noticed about the heartwood on sweetgum, is that the heartwood is irregularly shaped (is neither circular, nor does in mimic the outline of the bark). It is often star-shaped, approximately, or what I call "antarctica-shaped".
No matter how conventional wisdom may fly in the face of radical thought, it's still the most popular type.

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