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| Flattening warped back plates http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10101&t=51562 |
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| Author: | Paul Burner [ Tue Feb 05, 2019 12:41 pm ] |
| Post subject: | Flattening warped back plates |
I have some rosewood back plates - approximately 8x22 that are warped. I am looking for suggestions on how to flatten them. |
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| Author: | Colin North [ Tue Feb 05, 2019 1:07 pm ] |
| Post subject: | Re: Flattening warped back plates |
Dampen, wrap in ulu foil and iron them flat, sticker. |
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| Author: | meddlingfool [ Tue Feb 05, 2019 2:11 pm ] |
| Post subject: | Re: Flattening warped back plates |
^ |
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| Author: | LarryH [ Tue Feb 05, 2019 2:17 pm ] |
| Post subject: | Re: Flattening warped back plates |
https://www.youtube.com/watch?v=0emWxl67tF0 |
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| Author: | wbergman [ Tue Feb 05, 2019 2:25 pm ] |
| Post subject: | Re: Flattening warped back plates |
Do not iron if there is wax present. Hot wax will flow like water into the wood and never come out. It may compromise future glue joints and some finishes. I did the following once on a set of BRW with 1/4" backs. However, in hind site, I am guessing that you could just put the pieces into a heavy duty plastic bag with water for a couple of weeks. Anyway, here is what I did. Needs a metal free container to submerge the wood. For the sides, I made a rectangle of 2.4 on the floor and draped a heavy duty plastic in it. For the backs, they fit in a fiberglass utility sink. I put some weights into plastic bags to hold the wood under water. At first no change and you could not force them flat. After what I recall as at least a week, the wood finally just relaxed to its original shape after sawing. I then stickered and weighted it and it has been fine. |
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