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PostPosted: Mon Feb 08, 2010 2:29 pm 
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Walnut
Walnut

Joined: Sun Jan 24, 2010 9:56 am
Posts: 16
First name: Rob
Last Name: Dmitrieff
City: Boothbay Harbor
State: Maine
Zip/Postal Code: 04538
Country: USA
Focus: Build
Status: Amateur
Hello, I'm building a OLF small jumbo and I'm a wondering the correct grain orientation for the neck block, Cumpiano says horizontal, however the neck block in the book is larger than what is drawn on my plans.Also the small jumbo neck block on my plans looks like two pieces, how does the grain run on the top piece? Thanks, Rob


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PostPosted: Mon Feb 08, 2010 3:20 pm 
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Cocobolo
Cocobolo

Joined: Fri Mar 06, 2009 6:23 pm
Posts: 416
First name: Christian
Last Name: Schmid
City: Edmonton
State: AB
Zip/Postal Code: T6E 1P9
Country: Canada
Focus: Build
Status: Amateur
Hi Rob,
I generally try to avoid having a glue joint with an end grain surface. That basically leaves only one 'correct' grain orientation (horizontal).
Christian


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PostPosted: Mon Feb 08, 2010 3:40 pm 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Mon Jan 28, 2008 5:21 am
Posts: 4915
Location: Central PA
First name: john
Last Name: hall
City: Hegins
State: pa
Zip/Postal Code: 17938
Country: usa
Focus: Build
Status: Professional
I run the grain in the same direction as the side wood. If you have conflicting grain , you run the risk of side distortion and cracking . Martin used the configuration for almost 200 years ,

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John Hall
blues creek guitars
Authorized CF Martin Repair
Co President of ASIA
You Don't know what you don't know until you know it


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PostPosted: Mon Feb 08, 2010 3:46 pm 
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Brazilian Rosewood
Brazilian Rosewood
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Joined: Wed Feb 20, 2008 9:12 pm
Posts: 6994
First name: Mike
Last Name: O'Melia
City: Huntsville
State: Alabama
Focus: Build
Status: Semi-pro
Not to mention (and those above are the most important considerations) that sanding & shaping from the end grain is way rediculously difficult. I made this mistake once. Never again.

Mike


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