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| Wenge fretboard keeps splittling. http://www-.luthiersforum.com/forum/viewtopic.php?f=10101&t=41160 |
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| Author: | Mike Lindstrom [ Sun Aug 18, 2013 12:46 pm ] |
| Post subject: | Wenge fretboard keeps splittling. |
It looks like my 3rd wenge fretboard in a row has begun to split. Bad luck? Bad wood choice? Whatever it is, I'm getting a little tired of it. FWIW - Crack runs almost the entire length of the board. Maple neck. Slotted but not fretted. Glued flat board onto flat neck. Radiusing (7.25") and shaping done after gluing. Truss rod is not proud of slot and neck surface is flat. Any ideas? Thanks, Mike |
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| Author: | klooker [ Sun Aug 18, 2013 1:19 pm ] |
| Post subject: | Re: Wenge fretboard keeps splittling. |
Perfectly quartered (or vertical grain if you prefer) Wenge is highly prone to splitting. Assuming the 2 woods were acclimated to the same RH, I think it would have to be the difference in the expansion/contractions of the two woods & Wenge's tendency to split. I found this on a flooring site. Kevin Looker |
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| Author: | Mike Lindstrom [ Sun Aug 18, 2013 10:14 pm ] |
| Post subject: | Re: Wenge fretboard keeps splittling. |
The wenge that's splitting was pretty close to quarter. I've got some that's around 30 degrees. I guess I'll give that a shot next. That's interesting data. Does anyone know how much difference makes a difference? |
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| Author: | James Ringelspaugh [ Sun Aug 18, 2013 10:59 pm ] |
| Post subject: | Re: Wenge fretboard keeps splittling. |
Maple - especially flatsawn - moves more than wenge with changes in humidity, and vertical grained wenge is crack prone being brittle along the grain. Building with unseasoned wood, high humidity while building, big humidity swings after the two were glued together... there are lots of reasons why you could have trouble with that combination. |
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| Author: | klooker [ Mon Aug 19, 2013 6:45 am ] |
| Post subject: | Re: Wenge fretboard keeps splittling. |
Here's where I got that chart from if anyone wants to dig deeper. http://www.hardwoodinstaller.com/prepar ... ansion.htm Kevin Looker |
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