The Rotorheads Forum on PpruNe does indeed have much to offer but you will find a thick skin and certain lack of sensitivity to brick-bats a useful trait. Please don't give up on us so readily for a man of your experience will have much to offer and your opinions are likley to educate us all.
G
PS - the confusion between the British Museum and the British Helicopter Museum may have been deliberate - if so it was a wonderfully contrived piece of humour. If not then well said anyway - there are too many dinosaurs on PpruNe already.