Acoustic Guitar Construction in the small shop -- Kenneth Michael Guitars LLC

Information, ideas and help for those constructing scratch built acoustic guitars or acoustic guitar kits - © 2017
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The purpose of this forum site is to provide a means for acoustic guitar makers at all skill levels to forward information, share experience and ask questions if project obstacles are encountered. We ask that egos be left at the door – the highest levels of courtesy and respect are to be shown to all. Posts containing disparaging comments will be removed. The “Acoustic Guitar Construction Forum” is owned by Kenneth Michael Guitars and is copy protected. Direct links to luthier suppliers are not permitted and will be edited.



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PostPosted: Wed Aug 26, 2015 6:27 pm 
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Probably a stupid question, but - because of its thinness and lack of bulk, would binding bend at a much lower temp than sides?

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PostPosted: Wed Aug 26, 2015 7:38 pm 
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My bindings are as thick or nearly as thick as my sides. I bend them at the same time as the sides so I guess I bend them at the same temperature.

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PostPosted: Wed Aug 26, 2015 7:42 pm 
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Yeah, makes sense.

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PostPosted: Wed Aug 26, 2015 9:20 pm 
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It seem to me that the individual binding strips say (4 x 1/4" x .075") are more flexible than one piece 1" x .075" ---- isn't there a cube rule or something that explains that?


Bloodwood is the one material that gives me nightmares no matter how thin -- I just don't use it any more.

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PostPosted: Thu Aug 27, 2015 11:15 am 
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johnparchem wrote:
My bindings are as thick or nearly as thick as my sides. I bend them at the same time as the sides so I guess I bend them at the same temperature.

+1 on this method

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PostPosted: Thu Aug 27, 2015 7:31 pm 
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ken cierp wrote:
It seem to me that the individual binding strips say (4 x 1/4" x .075") are more flexible than one piece 1" x .075" ---- isn't there a cube rule or something that explains that?


Bloodwood is the one material that gives me nightmares no matter how thin -- I just don't use it any more.


What problems did you have with the bloodwood? My bindings bent fine, but maybe I just got lucky.

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PostPosted: Fri Aug 28, 2015 1:54 pm 
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Janka hardness

Maple 1400
East Indian Rosewood 2400
Bloodwood 2900

Elastic Modulus

Maple 1,680,000
East Indian Rosewood 1,830,000
Bloodwood 3,013,000

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PostPosted: Tue Sep 01, 2015 12:24 pm 
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Dave, I just bent my latest curly maple bindings with attached red/black purflings at 250, which is about 30 degrees under where I start to bend my sides. I spritzed them with water, all four taped together,, and they bent perfectly, no scortching, so delamination....I was must pleased.


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PostPosted: Tue Sep 01, 2015 4:36 pm 
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Good, thanks.

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