[Public-List] Old Hickory

[Dominic Amann]

It certainly explains why Spruce is the wood of choice for Canoe coamings
and the like.


On Sun, Oct 6, 2013 at 9:17 PM, Michael Grosh <dickdurk at gmail.com> wrote:

> That's a heck of a chart, Bob. I read it as spruce being 1/2 the weight,
> and 2/3 compression (resistance?) Of white oak approx.
> So I suppose spruce being bendy is desirable in masts (racing dingys,
> etc.). It's a pretty spiffy wood for a pair of 9' oars I have also.
> Scratch the spreader idea. Maybe that's why later boats are in aluminum.
> MichaelGrosh
> #220
> On Oct 6, 2013 5:47 PM, <isobar at verizon.net> wrote:
>
> >    Michael... I love talking about woodworking which probably doesn't
> >    interest anyone else on the list; but, what the heck, I pay George a
> >    lot for my subscription.  Anyway, I doubt if  Spruce would be ideal
> >    based on the following chart I extracted of woods (sorted in
> >    compression) one might consider for spreader replacement. Spreaders
> >    load is in compression  and spruce is at the bottom. From that,
> hickory
> >    seems even more attractive. Have your hickory axe handles or hammers
> >    rotted away?  Is there anyone on the list who knows more than I do
> >    about hickory wood rot? They must be legion... Bob Kirk
> >     <
> >
> >    Species Spec Gravity Compression Bending Stiffness Hardness
> >    Hickory 0.72 9,210 20,200 2.16 NA
> >    Teak 0.55 8,410 14,600 1.55 1,000
> >    Maple, Hard 0.63 7,830 15,800 1.83 1,450
> >    Oak, White 0.68 7,440 15,200 1.78 1,360
> >    Fir, Douglas 0.49 7,230 12,400 1.95 710
> >    Mahogany, Honduras 0.45 6,780 11,500 1.50 800
> >    Oak, Red 0.63 6,760 14,300 1.82 1,290
> >    Cedar, Aromatic Red 0.47 6,020 8,800 0.88 900
> >    Spruce, Sitka 0.40 5,610 10,200 1.57 510
> >
> >
> >
> >    On 10/06/13, Michael Grosh<[1]dickdurk at gmail.com> wrote:
> >
> >
> >
> >    I am not an expert on wood, but my understanding is it's fresh water
> >    that
> >    causes rot, so distance from sealevel wouldn't really...
> >    I have wondered if close grained spruce would be good for spreaders.
> >    Lighter weight aloft. My oak ones are fairly hefty.
> >    MichaelGrosh
> >    #220
> >
> > References
> >
> >    1. mailto:dickdurk at gmail.com
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-- 


Dominic Amann
M 416-270-4587

 1381160027.0