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PostPosted: Sat Dec 17, 2016 10:40 am 
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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
In the past I was using a soundhole patch of either spruce at 2mm.080 or WRc at .100 or 2.5mm. no rosette on the ukes. It was usually vertical grain running at 90 deg to the top . lately I have switched to using a thin birch 2-2.5mm or poplar ply for the S. patch on my ukes to accamodate the rosette design . what are you using .?? I find the ply makes for a more solid area around the top so that there is less flattening of the area before gluing down the FB .


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PostPosted: Sat Dec 17, 2016 1:07 pm 
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Joined: Wed Feb 15, 2006 7:37 am
Posts: 4820
I used a reinforcing patch for the first time on this guitar and used cut-off from the top.


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PostPosted: Sat Dec 17, 2016 1:56 pm 
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Joined: Mon Aug 23, 2010 11:42 pm
Posts: 1714
First name: John
Last Name: Parchem
City: Seattle
State: Wa
Zip/Postal Code: 98177
Country: USA
Focus: Build
Status: Amateur
I join the cutoffs from the waist aria to make a sound hole patch. So it basically doubles the top thickness around the sound hole.

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PostPosted: Sat Dec 17, 2016 3:51 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
Thanks , thats what I/ve done as well using cutoffs from the top .But nowI find using uber thin plywood is more to my liking. and gives me a flatter area under the FB and UTB. Is anyone else using thin plywood as a soundhole patch ??


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PostPosted: Sun Dec 18, 2016 8:38 am 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Sun Mar 30, 2008 8:20 am
Posts: 5968
For the last uke I made I used two layers of the top material (off cuts) alternating the grain (essentially "plying" the wood ) as soundhole reinforcement. The top itself is just over 1/16th inch thick.



These users thanked the author Clay S. for the post: ernie (Sun Dec 18, 2016 9:14 am)
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PostPosted: Sun Dec 18, 2016 1:06 pm 
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Joined: Tue Jan 29, 2008 11:14 am
Posts: 819
First name: Tim
Last Name: Lynch
City: Santa Cruz
Zip/Postal Code: 95060
Country: United States
Focus: Build
Status: Amateur
I am in the process of French Polishing this Soprano now, trying to finish it up for a Christmas present.
The top on this is .065 and I added a sound hole patch of .050, set cross grain at 90 degrees and made from 1 of Shanes' Lutz Spruce 2nds.
Hoping to have it strung up by end of the week

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These users thanked the author Tim L for the post: ernie (Sun Dec 18, 2016 4:11 pm)
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