[pianotech] Tool for Wood Selection at Lumberyard

[Terry Farrell]

You're correct, they sure do appear very close. I had never been  
exposed to Red Spruce previously. Thanks for enlightening me!

Terry Farrell


On Jul 31, 2010, at 8:47 AM, jimialeggio wrote:

>
>> Well, Sitka is preferable because it is the highest strength/weight  
>> ratio wood out there.
>
> yes, thats correct...or maybe that's correct.  Look at the strength/ 
> weight  #'s from FPL handbook chapter 4 pg 13
>
>
>
>
> sitka spruce
> red spruce
> specific grav
> .40
> .40
> moe
> 1.57
> 1.61
> compression parallel
> 5610
> 5540
> compression perp
> 580
> 550
> sheer parralell
> 1150
> 1290
>
>
>  ...pretty darn close I'd say.
>
> But the point I was trying to make is not that Sitka is "better"  
> than Red, or Red is "better" than Sitka, but rather if you design  
> with a particular wood in mind, and your design accommodates the  
> nature of that wood, it'll work. For me designing for a local   
> indigenous species which can be sawn by local sawmill,  artisans who  
> are guys like us, makes sense to me, especially since sitka  
> availability in my area is a pain.

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