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Sorry but I've got another question. I have a single axle 2 birth caravan. "Swift Sandymere" How far back over the rear of the axle would it be safe to load any items in order to keep the nose weight correct. Now the caravan is an end bathroom with seperate shower. So I wont be sticking anything that far back. I am on the lines of no more than 2 feet behind the axle. Not as far as into the bathroom. I've tried the spare wheel in that place and along with the wifes make-up BAG. This seems to be enough weight to keep the nose weight correct. Also bear in mind that underneath the van at the front of the axle is a motormover which is around 37kg of weight.