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Douglas Fir - Oh My!
http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=32233
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Author:  Steve_E [ Mon May 16, 2011 5:33 pm ]
Post subject:  Douglas Fir - Oh My!

I am coming up with a new sound hole and rosette design (lots of "borrowing" going on) and I thought before I cut up a very nice Sitka top, I'd practice with some nicely quartered 2x6's from Home Depot. I cut up a few slices and sanded them to .125 and glued a few up. It was nice jointing practice also. I can only resaw to just under 6" on my 14 inch Steel City.

Anyway, I thought I'd give them a tap or two and ... Oh My! This board at that thickness and with only about 5 rings/inch rings like a gong and goes on for seconds it seems. Now if I can only find some tight grain, well quartered, no pitch pockets, and glue up a 3 piece top...!

Since there was a recent thread about the sound of DF, I just wanted to chime in with first hand experience.
Steve

Author:  Oubaas [ Mon May 16, 2011 7:19 pm ]
Post subject:  Re: Douglas Fir - Oh My!

With the predictions about how much longer the Sitka supply is going to last, I'm always looking at possible alternative tonewoods. Thanks for sharing this. I may include some Douglas Fir in my future experimenting.

Rick

Author:  amcardon [ Mon May 16, 2011 7:58 pm ]
Post subject:  Re: Douglas Fir - Oh My!

I have absolutely zero experience but I do know of other luthiers who use doug fir, particularly in classicals. Companies like Gilmer Wood Company (http://www.gilmerwood.com/) keep it in stock...

Author:  Michael Smith [ Mon May 16, 2011 10:27 pm ]
Post subject:  Re: Douglas Fir - Oh My!

Here in Northern California you can walk into any pro lumber yard and find beautiful quartered, tight grain doug fir. I love the look of a doug fir top and have been using it on my ukuleles. Superior sound to the standard Koa tops in my opinion.

Author:  Neil Gardiner [ Tue May 17, 2011 6:55 am ]
Post subject:  Re: Douglas Fir - Oh My!

I got a Douglas Fir top awhile ago. Haven't built with it yet, but it does have an amazing tap to it.

Does have a lot of sticky sap though.

I got mine from Larry Stamm in Canada.

Neil

Author:  Blanchard [ Tue May 17, 2011 2:49 pm ]
Post subject:  Re: Douglas Fir - Oh My!

Good Doug fir is very resonant, but its density tends to be rather high. That means that a top will tend to be heavier than a spruce top at a given stiffness. This may or may not be a bad thing depending on what type of instrument you are building and what the expected result is.

M

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