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Strawberry Orange Banana Lime Leaf Slate Sky Blueberry Grape Watermelon Chocolate Marble
Strawberry Orange Banana Lime Leaf Slate Sky Blueberry Grape Watermelon Chocolate Marble
Cliff

had a giant blank warp

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got a couple huge hunks of wood a while back.  Kept 'em in plastic.  Turned one rough set aside to dry and the thing warped so badly that I am unsure that I have enough wood to  take the warp out .  I'm thinking of methods of re warping it  back a little.  Water hear band clamps  an inner frame??

Any one tried doing this to save a blank?

 

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My blanks usually end up cracking instead of warping. 

 

I have been experimenting with turning wet blanks to their final thickness (around 1/8"). so far they haven't cracked and they have maintained their shape almost perfectly. 

 

I was reading about a guy that turned his green blanks to about the typical 10 to 1 diameter/thickness and then soaks them overnight in a solution of dish washing liquid and water using a 1:1 ration. Then turns them the next day to their finish thickness. He claims they don't crack.

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1 hour ago, lew said:

then soaks them overnight

when the sizes run  20" across or so  such measures  become less than do-able

I set this one up to dry and  the gnomes got at it in the bag

 

 

Edited by Cliff

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It's part of the deal. I generally follow the 10% up to about an inch and a half. The thing is, thicker leads to cracking. Have gotten to where I turn larger bowls to finish green, they will warp but most any bowl of any size will warp some even if twice turned. like Dan says, I've burned my fair share as well.  A friend of does make liberal use of hose clamps on larger bowls, more to help with cracking than warping.

 

Steve

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3 hours ago, John Hechel said:

I've heard of immersing them in DNA for a few days. would require a rubbermade tote and a few gallons. 

 

That works well but the warping factor is still there.

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