David, were you by any chance one of the group there when the WD Foden Owner demonstrated the interesting worm mechanism for raising the bed, and showed said group the water tank ( i heard something about breathers mentioned)
if so, I was the guy in the green raincoat standing behind you - if i had known I would have said hello!
here are a few of my better pics (sorry about the quality but I had to rely on my iphone camera today)
http://s252.photobucket.com/albums/h...eshire%202011/
for some reason photobucket has put them all out of sequence but there are a few good traction ones in there, especially the closeups