I have been wondering whether which wood is most suitable in australia for making a bow and arrow.

Does anyone have any suggestions for what AUSTRALIAN wood i should use?

So far i have been suggested Red Ironbark, Birch and Spotted Gum.

What dimensions would be suited for the particle wood?

How about arrows? Bamboo seems to be a little too heavy.


Camo-Sling

Primitive Archer. com ,Bowyers Den.com and Tradgang are all great sites with tons of info for making bows

As for arrows; bamboo has been used but primarily in it's "split" form.  That is, smoothed, cut into sections, and glued up; then rounded.  A lot of work.
In the US, we have "river cane" which is a species of bamboo but much smaller than Asian bamboo.  You can use it as is merely by smoothing out the nodes and then fire-straightening.   Usually reinforcements in the form of hardwood dowels are inserted into both foot and head.

Look for tough reeds, or quick-growing "shoots" which stay straight for the first few feet.   Nearly any wood can be fire-straightened....

The above resources are all very good; I'd reccomend the now-four-volume "Traditional Bowyer's Bible" as well; a wealth of information on primitive archery.