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PostPosted: Tue Mar 24, 2015 10:14 pm 
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Cocobolo
Cocobolo

Joined: Tue Mar 24, 2015 4:46 pm
Posts: 254
The title says it all. Before I take a blade to wood I like to know what angle will minimize tear out on ribs and back. I've never worked an exotic wood before so I appreciate your insight into this regard.

Thanks,

-jj


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PostPosted: Wed Mar 25, 2015 12:47 am 
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Koa
Koa
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Joined: Mon Sep 05, 2011 10:45 pm
Posts: 1484
First name: Trevor
Last Name: Gore
City: Sydney
Country: Australia
Focus: Build
Status: Professional
For hand planes, plane across grain with a standard angle (45 degree) plane set up as a shallow crescent scrub plane to remove the bulk. To finish up in line you'll need at least 60 degree pitch angle set up as a fine smoother.

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Trevor Gore, Luthier. Australian hand made acoustic guitars, classical guitars; custom guitar design and build; guitar design instruction.

http://www.goreguitars.com.au


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PostPosted: Wed Mar 25, 2015 1:05 am 
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Cocobolo
Cocobolo

Joined: Tue Mar 24, 2015 4:46 pm
Posts: 254
Trevor, from the bottom of my sole a hearty thanks.

I glean from "finish up in line" you imply "desired thickness" by smoothing with the grain, correct?

-jj


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PostPosted: Wed Mar 25, 2015 1:12 am 
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Koa
Koa
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Joined: Mon Sep 05, 2011 10:45 pm
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First name: Trevor
Last Name: Gore
City: Sydney
Country: Australia
Focus: Build
Status: Professional
Correct.

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Trevor Gore, Luthier. Australian hand made acoustic guitars, classical guitars; custom guitar design and build; guitar design instruction.

http://www.goreguitars.com.au


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PostPosted: Wed Mar 25, 2015 1:51 am 
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Koa
Koa

Joined: Thu Sep 10, 2009 4:01 pm
Posts: 1887
Location: UK
The other way to finish off is to set the chipbreaker mighty close to the edge of the blade, within 0.5 mm and less of a seriously sharp blade. Set fine and a standard angle might be OK.


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PostPosted: Wed Mar 25, 2015 12:07 pm 
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Contributing Member
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Joined: Fri Jun 22, 2012 11:12 am
Posts: 1170
First name: Rodger
Last Name: Knox
City: Baltimore
State: MD
Zip/Postal Code: 21234
Country: USA
Focus: Build
Status: Amateur
Since you're just starting, I'll recommend you go to Mr. Gore's website and buy his books.
They are not cheap, but they are the best reference available for the design and construction of steel string guitars.

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A man hears what he wants to hear, and disreguards the rest. Paul Simon


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PostPosted: Wed Mar 25, 2015 12:34 pm 
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Cocobolo
Cocobolo

Joined: Tue Mar 24, 2015 4:46 pm
Posts: 254
Thanks, I'll check it out.


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