Not quite Mansfield, but go 14 miles south and you've got me bang to rights.
I'm surprised any paint manufacturer would guarantee the longevity of their product, given the appalling examples of surface preparation that I've come across over the years of decorating houses.
FLJ... You will have understood the 'mighty Stags' reference then(!!) - although (unfortunately) not-so-mighty is much more appropriate at the moment - but then the same could be said for the rest of Nottinghamshire's footy teams too eh?
It was Akzo's Sandtex red that needed the special attention - not that it was much better for the said attention!
Their black however was superb and went on anyhow, anywhere - and its still there well after the 6 years guaranteed protection period the company offered!
As for painting model boats, I often wonder if anyone takes into account the weight they are applying to their model as they are happily brushing, spraying, airbrushing away?? When you carry the full tin of paint out of the shop, I trust we are all aware that its the paint inside that weighs so much, not just the packaging (the tin!)
Rats - Priming wood, yes, I would say use a decent weatherproof wood undercoat/primer - I use it especially for any bare plywood, balsa areas - particularly inside the hull - well, you never know do you? :)