It's possible one of the Forest & Wood Products Australia (FWPA) team could have this data, although we are not sure such statistics have been compiled. You may care to contact one of their staff here https://www.fwpa.com.au/about/team.html.Statistics
I'm currently undertaking Dissertation studies on the benefits of lightweight construction materials (partially timber). Do you have (or know where to find) any statistical data on the number of Class 2-9 Timber buildings built in Australia in the past few decades?
We are carrying out some laboratory tests on timber pieces manufactured from Karri wood species
The supplier requires information about the cutting of the sample pieces into sizes?
Can I get any information about how and to what size Karri wood species are cut? and how are the logs cut from the trees and to what size?
We weren't sure what kind of laboratory tests you are carrying out. If they are strength tests on small clear specimens there are various international standards that set out the procedure, eg. ISO 13061, BS 373, ASTM D143. These publications specify sample size and test method and may be helpful in your investigations. Testing timber to ASTM D143 is explained here: http://file.yizimg.com/424653/2013110715144243.pdf.Karri, laboratory tests
I am making toys and functional ornaments from wood, and some of the internal components
require small slivers of wood that are able to flex a little for the mechanisms to work.
The plans for these projects are from the U.S., and they recommend ash or hickory for this purpose.
Are there any Australian timbers that would do the same job, and could be sourced from local merchants ( Bunnings, Home Hardware etc. ) ?
American ash and hickory (or their Australian substitutes) are not likely to be found at Bunnings or Home Hardware, you will need to inquire through specialty timber suppliers. For example, Britton Timbers have American ash, see website here: https://brittontimbers.com.au/timbers. You may find other suppliers by writing ‘specialty timber suppliers’ or similar wording in your browser. For potential Australian timbers we consulted an old CSIRO reference in our library to find a recommendation for wooden sporting goods such as tennis racquets, which need strength and flexibility. CSIRO nominates silver ash from Queensland which is also stocked by Britton Timbers according to their website. However, it comes with the rather negative comment that ‘English and American ash is still mainly used [for tennis racquets] and there is no really satisfactory Australian substitute’. Perhaps your intended use is less demanding than a wooden tennis racquet frame and you could try more readily available timbers such as the ash eucalypts, mountain ash and alpine ash, aka ‘Victorian ash’.
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