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| how hard is it to bend Pernambuco? https://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=42345 |
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| Author: | mqbernardo [ Mon Dec 30, 2013 9:57 am ] |
| Post subject: | how hard is it to bend Pernambuco? |
well, not much to add... thanks in advance, Miguel. |
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| Author: | ernie [ Mon Dec 30, 2013 10:46 am ] |
| Post subject: | Re: how hard is it to bend Pernambuco? |
Start slowly an gradually, make template for the camber ,use dry heat from electric burner. That/s for a vln bow. For a gtr sides I would make them .075-.080 max especially if the density is high .Pernam density ranges from .090 to 1.2 I would spritz lightly with water. If will take a gradual heat say 350-400 deg F. vy slow to bend depending on. density Sent from my SGH-T999L using Tapatalk |
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| Author: | jack [ Mon Dec 30, 2013 3:04 pm ] |
| Post subject: | Re: how hard is it to bend Pernambuco? |
if talking about bending sides and not bow making, may want to ask Bruce Sexauer over at the unofficial martin guitar forum. |
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| Author: | mqbernardo [ Mon Dec 30, 2013 4:32 pm ] |
| Post subject: | Re: how hard is it to bend Pernambuco? |
good idea. |
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| Author: | Alan Carruth [ Tue Dec 31, 2013 2:16 pm ] |
| Post subject: | Re: how hard is it to bend Pernambuco? |
The set I bent went much easier than I expected. It had a lot of runout in spots, and that worried me, but was less of a problem than I thought it would be in the bending stage. It bit me later when routing for the binding, though! When bending wood with runout, such as that striped Pernambuco, or curly maple, I will usually only wet the inside surface. Water on the outside weakens the bond between the fibers, and they can peel up. In some cases it can help to glue a piece of paper onto the outside surface. This helps prevent splits by holding the fibers in. You can use CA or Titebond. |
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| Author: | mqbernardo [ Wed Jan 01, 2014 6:02 pm ] |
| Post subject: | Re: how hard is it to bend Pernambuco? |
thanks Alan, that is a great tip and actually spot-on as the wood (specially in the sides) has some sort of flaming/ripples. |
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