Beefwood - Grevillea Striata

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Bruce McC
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Beefwood - Grevillea Striata

Post by Bruce McC » Mon Dec 05, 2016 11:51 am

I have inherited two slabs of timber said to be beefwood. The timber was acquired in Emerald, Central Qld.
The density of one slab is approx 955 kg/m3 which puts it in the range of Grevillea Striata.
I am thinking of using this timber for back and sides on steel string and nylon string guitars.
Would appreciate any comments particular in regard to side bending timber with medulary rays.
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Allen
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Re: Beefwood - Grevillea Striata

Post by Allen » Mon Dec 05, 2016 5:56 pm

I've only used Beefwood for bindings, and it's pretty tricky to bend without breaking, but that would totally depend on the way you cut it I suppose.
Allen R. McFarlen
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curly
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Re: Beefwood - Grevillea Striata

Post by curly » Mon Dec 05, 2016 9:09 pm

Looks like Beefwood to me and Emerald would be just about right .
The timber is easy to machine though a complet *&%$ to sand . It gums paper like nothing else I've encountered . There is also some coating effect on bandsaw blades in resawing though this can be countered by squirting a little chainsaw bar oil mixed half with diesel onto the guides as you cut . Just a wee bit will do , As soon as the band goes quiet ( you'll know it when you hear it ) that's enough .
I haven't found it overly difficult to bend , particularly in flat sawn material ( as your sample is ) the rays are not too bad for lifting .
I used it for a weissenborn including the soundboard which was pretty daft . It was completely dead sounding . Probably not such an issue for back and sides though the tap tone isn't great generally .
I have found it to be very stable . My favourite use for it is outdoors . It is fantastically durable when exposed to the elements , which is of course completely irrelevant to guitar building .
What else ... Sometimes extractives can bleed out of finish . And when your sandpaper gets coated hit it with a pressure washer , the gumph comes off easily enough .
Pete
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Bruce McC
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Re: Beefwood - Grevillea Striata

Post by Bruce McC » Tue Dec 06, 2016 1:14 pm

Thank you Allen and Pete for your input. Something for me to ponder over.
Might end up with a lot of head stock veneer and rosettes :roll: :roll:
Bruce Mc.

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