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 Post subject: Ovangkol bending fail
PostPosted: Tue Dec 13, 2011 10:26 pm 
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Contributing Member
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Joined: Tue May 18, 2010 6:42 pm
Posts: 589
First name: Brian
Last Name: Itzkin
State: NY/Granada
Country: USA/Spain
Focus: Build
I was bending the second ovangkol side for an om I'm making and it split on the waist. First time this has ever happened to me, was it just my fault or was the ovangkol partially to blame?


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PostPosted: Tue Dec 13, 2011 11:10 pm 
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Cocobolo
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Joined: Fri Mar 11, 2011 4:49 am
Posts: 138
Location: Canada
I have no first-hand experience with it, but I've heard that Ovangkol can be a real pain to bend, so it probably isn't just you.


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PostPosted: Wed Dec 14, 2011 8:35 pm 
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Brazilian Rosewood
Brazilian Rosewood
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Joined: Thu Jan 06, 2011 6:08 pm
Posts: 2712
First name: ernest
Last Name: kleinman
City: lee's summit
State: mo
Zip/Postal Code: 64081
Country: usa
Focus: Build
Status: Professional
Planning to bend mine between .060-.,070 laminated with a .,022 veneer


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PostPosted: Thu Dec 15, 2011 7:21 am 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Thu Feb 12, 2009 10:27 pm
Posts: 2109
Location: South Carolina
First name: John
Last Name: Cox
Focus: Build
Status: Amateur
Frequently - balky bending in a species that would otherwise be mild mannered can be traced back to runout in the wood.... This was the case with my Sapele that would not bend at normal thicknesses....

The first thing to try is to go thinner... A side that will not bend without breaking at 0.090" may bend just find at 0.080 or 0.070".... I ended up taking that sapele down to 0.065" to bend.... It still fought me every inch of the way - but it did finally take the shape...

There are some other tools and tricks out there... Many people use the veneer softener "Super Soft II" to loosen up balky sides....

The other thing is to try alternately bending more dry vs bending a little more wet... That sapele wanted to be a little more wet - as it just wouldn't go dry... but other woods like Quilted maple do seem to do better dry....

Thanks


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