Hi Swiebertje,
Thank you for the detailed reply. So it seems that my uphaul/downhaul isn’t rigged correctly.
I had a look at the bungee I’ve got from Ian and Its actually doubled over at the spin hook and the ends have loops in that are made with wire clips ie. not tied loops. BTW the hook is like this
http://www.defender.com/product.jsp?path=-1|118|319693|319695&id=118273
regards
Keith