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| A few questions about Brazilian RW... http://www-.luthiersforum.com/forum/viewtopic.php?f=10101&t=44249 |
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| Author: | Doug Balzer [ Mon Sep 29, 2014 10:15 pm ] |
| Post subject: | A few questions about Brazilian RW... |
So I'm diving into the Brazilian Rosewood world shortly at a customer's request and have a few questions: 1. The sets I purchased come with CITES documentation that I am supposed to simply print off (e-copy only). Is this standard practice to utilize duplicated documentation? I was expecting original documents. 2. Any advise on type of glue and prep process for this tropical rosewood? Wipe clean with solvent prior? 3. Optimal back thickness for an OM? I usually shoot for about 0.100" but might that be a bit thick? BTW I am pairing the b/s with an Adirondack top. Thanks in advance for the input. |
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| Author: | meddlingfool [ Mon Sep 29, 2014 10:47 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
1) Dunno. Careful. 2) pretty much the standard glues will work, HHG or Titebond... 3) .100 is IMO thick for a rosewood. On an OM I'd be more inclined to .085ish, maybe .090. Depends on the actual piece. |
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| Author: | Josh H [ Tue Sep 30, 2014 7:45 am ] |
| Post subject: | Re: A few questions about Brazilian RW... |
Is this guitar staying in country? If so than the print off documents might be ok. If you are planning to send it out of country than you had better do some research. Did you by any chance see the documents before purchasing to verify that they are in order? On point #2, wiping with a solvent is never necessary or a good idea. A freshly planed or sanded joint should be sufficient for gluing. |
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| Author: | Clay S. [ Tue Sep 30, 2014 8:21 am ] |
| Post subject: | Re: A few questions about Brazilian RW... |
"3. Optimal back thickness for an OM? I usually shoot for about 0.100" but might that be a bit thick?" If you are going for a so called "reflective" back rather than an active back .010 might work fine and be a little less prone to cracking. |
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| Author: | Pat Foster [ Tue Sep 30, 2014 11:41 am ] |
| Post subject: | Re: A few questions about Brazilian RW... |
Clay S. wrote: "3. Optimal back thickness for an OM? I usually shoot for about 0.100" but might that be a bit thick?" If you are going for a so called "reflective" back rather than an active back .010 might work fine and be a little less prone to cracking. I think you might mean .100. Ten thousandths is might thin! Pat |
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| Author: | LanceK [ Tue Sep 30, 2014 1:14 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
On rosewood I usually thin to about .090 on the back and .070 on the sides. Its a heavy wood and I like lighter guitars. For glue, I have always used LMI instrument builders glue. I never wipe it down with any kind of solvent, but rather, make sure its a clean dry fresh edge before gluing. I will prep the center seam and glue it up the same day. So far, no problems. Be right back, I have to find some wood to knock on. |
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| Author: | Terence Kennedy [ Tue Sep 30, 2014 1:55 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
I've built several with Brazilian. Never did anything different as far as gluing. I use hide to join the plates and try to glue up shortly after joining the edges so they are fresh. My backs are usually around 0.100 or a little less. I guess you'd call them reflective. |
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| Author: | Clay S. [ Tue Sep 30, 2014 10:10 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
"I think you might mean .100. Ten thousandths is might thin!" Doh! |
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| Author: | Doug Balzer [ Thu Oct 02, 2014 8:02 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
Thanks all. Much appreciated. |
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| Author: | Jfurry [ Thu Oct 02, 2014 9:29 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
.090 thickness. And I would for sure wipe the glued edges with acetone. You'll be surprised at the oil it removes. |
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| Author: | meddlingfool [ Fri Oct 03, 2014 1:08 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
There are many that believe wiping it pulls oil to the surface... |
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| Author: | MikeyV [ Fri Oct 03, 2014 3:40 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
Don't wipe. I don't go there, even with Cocobolo. Definitely not needed on BRW. I go between 0.080" and 0.090" on backs. |
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| Author: | Jfurry [ Fri Oct 03, 2014 5:31 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
At this stage for me I'm passing info passed to me. But I'm a believer. |
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| Author: | John Arnold [ Mon Oct 06, 2014 2:51 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
I doubt that much of the so-called 'documentation' would actually pass a test when exporting. My 'advice' is to keep it in the US. http://www.grammar-monster.com/easily_confused/advice_advise.htm |
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| Author: | Herr Dalbergia [ Mon Oct 06, 2014 5:14 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
1. No!!! 2. No.... 3. Yes...depending on the BRW |
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| Author: | Pmaj7 [ Tue Oct 07, 2014 9:16 am ] |
| Post subject: | Re: A few questions about Brazilian RW... |
Who was the seller that is only providing photocopied documents? 2. No 3.yes |
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| Author: | Don Williams [ Tue Oct 07, 2014 12:28 pm ] |
| Post subject: | Re: A few questions about Brazilian RW... |
1. Use your best judgement, and I don't know Canada's laws or regulations regarding CITES listed species. 2. Prep.... Flood with thin CA glue at glue-up thickness. BRW will crack, so you may as well stabilize it as best you can. 3. I tend to work BRW backs between .070 and .085. Depending on the wood. Current OM is around .073 I think. |
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