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Temp and Humidity for Bridge Location
http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10101&t=50526
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Author:  Spyder [ Mon Apr 16, 2018 9:11 pm ]
Post subject:  Temp and Humidity for Bridge Location

OK, finally ready to locate the bridge on Build #1. Yeah! Wondered if I'd ever get to this stage. Got it figured out how to go about it, but the question is shop condition. With this crazy weather, I went out after lunch and it had cooled off to 60 degrees and 43% humidity. Tomorrow I can get the temp up to 70, but the humidity is tougher. Will do what I can, but 40-45 may be it for right now. So my big question is, how critical is this when locating the bridge? I went through the process of having a back bend the wrong way before I rehumidified it, so am familiar with how much it matters. Just wondering on laying out the bridge location. Any ideas?

Author:  meddlingfool [ Mon Apr 16, 2018 10:10 pm ]
Post subject:  Re: Temp and Humidity for Bridge Location

Temperature isn't so important, it's the relative humidity you need to worry about. 43% is a fine place to work at. Between 40-45% is where most of us work at. So if your bridge and body are in that range together you should be fine.

Author:  Spyder [ Mon Apr 16, 2018 10:43 pm ]
Post subject:  Re: Temp and Humidity for Bridge Location

Good deal, thanks. I was thinking it more like 50-55%, so this should work. Fingers crossed, this one is getting close...:)

Author:  John Arnold [ Tue Apr 17, 2018 5:31 am ]
Post subject:  Re: Temp and Humidity for Bridge Location

No worries. Wood does not shrink or swell in the grain direction.

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