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Thread: Timber for boat building
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14th May 2011, 09:23 PM #16Member
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11 Great Victoria Woods
here is some more info on victorian timbers
I cant really help you in which timber is best for your needs, me I just go with what the marine timbers place stocked, and that was hoop pine. They might have had some western red cedar from memory, but cant be sure.
I used a very small amout of iron bark (mast step) I just loved it. It was strong, robust, heavy, looks outstanding. Trouble is that it weighs a tonne, but gee it looks nice.
On my homemade table saw, I was able to mill some of this from recycled old houses. Hard to work, but the big heavy timbers were cheap. Even with nails in them, by using a thin kerf saw with small teeth, it would go through these nails no problem. Trick was to go slow, worked fine. The thing was that the ironbark was so hard, there was little difference between the nails and the ironbark, both really hard.
To Karrum, if you need a hand, I have a good drill press, good bandsaw, and a 'rough' homemade tablesaw if you get stuck on anything and need some better tools for a difficult job.
thinking out loud
Sometimes I wish there was a place where people could share equipment. When you add it all up it starts to get expensive, bandsaw, thicknesser, tablesaw, router table, jointer, spindle moulder etc etc. But buying one of these is ok.
I know this is off topic, but are there places you can go and use this equipmnet for a charge. Are they called Mens sheds, or do you have to be over fifty to do work in a mens shed.
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16th May 2011, 10:21 AM #17SENIOR MEMBER
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Strip planked Kayaks
To Kjones
Following on from Allan Newhouse post. His kayaks weigh approx 10 kg when finished. Taking his break down of weight then there is 5 kg of Paulownia and 5 kg of glass and fittings. As the glass and fittings is a constant then the heavier timber the more the kayak weighs. Obviously. So as Paulownia has a density of just under 250 Kg and Aust Gums are approx 750 kg then your kayak will weigh 20 kg or twice as much. Worth serious consideration both from paddling and porting. You may be able to use thinner strips to cut the weight down but then you lose some strength by having the inner and outer skins of glass close together. I'm not pushing for you to buy Paulownia but it is, a plantation timber, a renewable resource, (regrows from the stump) and is grown in Australia.
Whitewood
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16th May 2011, 02:28 PM #18Member
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is this stuff cheap
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16th May 2011, 04:26 PM #19SENIOR MEMBER
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Paulownia for strip planked kayaks
I suppose the short answer is most timber is not cheap. I initially set my prices about 5 years ago having regard to the price for WRC at a Gold Coast Timber Yard as the qualities and weaknesses of the 2 species is similar. It's now hard to buy WRC on the Gold Coast but I have been lead to believe that the price of the 2 timber is still comparable.
If you make your own strips from RS planks then the cost of a 25 x 150 (actual) 155 mm plank is $9.07 per l/m. If you want to buy strips 6 mm thick and as wide as I can dress them out of the 25 mm RS, up to 22 mm but at least 19 mm, they are $1.54 per l/m DAR.
Paulownia is a boutique timber. It is farmed not just stuck in the ground to grow on its own like 'pines' and 'gums' I cater to some small special markets and strip planks for kayaks is just one of them. Others are alaia boards, chambered and hollow framed surfboards. There are more but the volume sold to these customers is even smaller.
You be the judge if it is an expensive timber or if the cost of stripping is too high.
Whitewood.
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24th May 2011, 07:51 PM #20
Access to men's sheds is usually by assessment. Often they are funded or part-funded by the government. Usually people go there who have had some sort of health issue. But anybody can go I think even if you can spare them a bit of time helping other people out who want to work wood but maybe don't have the skills. I'm sure you'd be allowed to rip up some timber - fair exchange no robbery as they say. You get to meet some terrific individuals as well.
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