I'm using hoop pine in my KR-2S. It's 10% heavier than spruce but also 15%
stronger. It was approved as a substitute for spruce and douglas fir
during WW2. I think they built Mosquito bombers with it.
I buy first grade timber from a boat building supplier and cut it to size.
As John says, you lose a lot in sawdust and shavings and the odd reject,
but it's less costly than ordering the sizes from the plans.
I've used hoop pine marine ply on the fuselage too. Hoop pine ply is
supposedly the best marine ply you can get - at least that's what the boat
builders claim. Just a little hard to find in the smaller (thinner)
sizes. It's great using something that's locally grown or manufactured
though. Gives us Ozzies a taste of what builders in the US take for
granted :-)
TK
On 20 January 2016 at 05:54, John Martindale via KRnet wrote:
> I actually imported a rough sawn piece of 8" x 2" spruce to Australia
> through a local lumber yard and cut it down and smoothed to size myself.
> Didn't take very long and worked out heaps cheaper. Had to work around a
> couple of faults in the core of the flitch however and have the results
> inspected. I reckon you lose about a third in sawdust and shavings.
>
> We can now use a local timber called Hoop Pine which seems similar to
> Douglas Fir in properties but it wasn't easily available when I started
> out. It is cheaper again. We also have a ply made from it.
>
> John Martindale
> 29 Jane Circuit
> Toormina NSW 2452
> Australia
>
> ph:61 2 6658 4767
> m:0403 432179
> email:john_martindale at bigpond.com
>
> -Original Message-
> From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of dfeiger
> via KRnet
> Sent: Wednesday, 20 January 2016 2:40 AM
> To: krnet at list.krnet.org
> Cc: dfeiger
> Subject: KR> Woo For kRs
>
> Back in ?81 when I started my KR2 I thought $3.50 per lineal foot of
> aircraft grade Sitka Spruce was a little high so I went to the one and only
> lumber yard here in John Day and bought a clear edge grain board of
> Douglas-fir snip
>
>
>
> -
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