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New tool for luthiers?   You are logged in as Guest
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Dave K

Posts: 155
Joined: Mar. 29 2006
 

New tool for luthiers? 


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Avise La Fin
  REPORT THIS POST AS INAPPROPRIATE |  Date Jan. 2 2016 0:33:03
 
El Kiko

Posts: 2697
Joined: Jun. 7 2010
From: The South Ireland

RE: New tool for luthiers? (in reply to Dave K) 
interesting ...
But you will need a much bigger chamber ......and a lot more Ammonia ....I think its present in urine if you want to continue with D.I.Y chemistry experiments ... you may find an unlimited supply

I wonder if this kind of treatment permanently effects the intrinsic quality of the wood itself , and therefore the sound producing tone ... I see maple was on his list of samples...

I dont see why not though ...

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  REPORT THIS POST AS INAPPROPRIATE |  Date Jan. 3 2016 0:31:04
 
constructordeguitarras

Posts: 1677
Joined: Jan. 29 2012
From: Seattle, Washington, USA

RE: New tool for luthiers? (in reply to Dave K) 
I've thought about that for many years. I think the usual industrial process involves using liquid anhydrous ammonia. (The stuff you buy in the store is a dilute solution of ammonia, which is a gas at room temperature, in water.) To make anhydrous (water-free) ammonia a liquid you have to cool it in an ice bath. I think I did that as a chemist once. It comes in a gas cylinder.... I think this would be very difficult and probably dangerous to do on the scale required for bending guitar sides, without a very expensive setup, including a fume hood.

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Ethan Deutsch
www.edluthier.com
www.facebook.com/ethandeutschguitars
www.youtube.com/marioamayaflamenco
I always have flamenco guitars available for sale.
  REPORT THIS POST AS INAPPROPRIATE |  Date Jan. 3 2016 2:57:37
 
keith

Posts: 1108
Joined: Sep. 29 2009
From: Back in Boston

RE: New tool for luthiers? (in reply to Dave K) 
well there is that professor who thinks strad soaked his tops in urine.

i would have to follow ethan's thoughts about safety. i can only imagine the effects on lungs and brains down wind.
  REPORT THIS POST AS INAPPROPRIATE |  Date Jan. 3 2016 10:50:05
 
El Kiko

Posts: 2697
Joined: Jun. 7 2010
From: The South Ireland

RE: New tool for luthiers? (in reply to keith) 
very common Keith about strad soaking his wood in urine an cow sh1t etc ..

about the rest . let it all evaporate in a well ventilated area for a day ...and anyway , so if we loose a few luthiers along the way from time to time .. you know ,.....


.......so long as the guitars are nice...........

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  REPORT THIS POST AS INAPPROPRIATE |  Date Jan. 3 2016 13:28:26
 
mmmenk

 

Posts: 54
Joined: Dec. 26 2015
 

RE: New tool for luthiers? (in reply to Dave K) 
This kind of treatment is meant for furniture making, like bending very thick pieces to make chairs and such. I know of violin makers who use this method to bend thicker pieces of spruce and maple to the arch in the tops and backs. It does the job, and makes for some nice looking and sounding instruments.
Man is a very clever animal.
  REPORT THIS POST AS INAPPROPRIATE |  Date Jan. 11 2016 22:22:12
 
constructordeguitarras

Posts: 1677
Joined: Jan. 29 2012
From: Seattle, Washington, USA

RE: New tool for luthiers? (in reply to mmmenk) 
Interesting. I thought violin plates were only carved, not bent.

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Ethan Deutsch
www.edluthier.com
www.facebook.com/ethandeutschguitars
www.youtube.com/marioamayaflamenco
I always have flamenco guitars available for sale.
  REPORT THIS POST AS INAPPROPRIATE |  Date Jan. 12 2016 0:04:27
 
mmmenk

 

Posts: 54
Joined: Dec. 26 2015
 

RE: New tool for luthiers? (in reply to Dave K) 
At the GAL convention, in South Dakota we watched a demonstration of how it was done, and got to hear the results. Very impressive. Sounded like a good violin should. How great does it have to get< good is good if it does the job.
  REPORT THIS POST AS INAPPROPRIATE |  Date Jan. 12 2016 7:17:56
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