P.G. (Tas) replied:

Bob, I too have seen the caravans you refer to. I think it may have been made by Windsor. You may run into some problems with Insurance and Registration if you modify the drawbar. I would be checking with both parties before I got the Gas Torch out. Hope this helps. Cheers!

Drew replied:

I met a guy who is the secretary of Landcruiser club of Australia. He had a camping trailer with a one piece draw bar used by the army in their trailers apparently. Rather than folding, you could unbolt the whole thing