For what its worth---- I was a member of the 1992 US team that competed at Wroughton. It was very well hosted and you "Poms" had your act together back then. The US team had the same similar issues that are being mentioned here (you are not alone!!!). I will make one point though----A lot of foreign teams were not happy that the Brits had pilots competing in event 5 only. We felt that in order to compete in event 5 (freestyle), a pilot should have competed in events 1 thru 4. The US team was not able to compete in event 5 due to insurance issues.
I am no longer involved in the US helicopter club or the US helicopter team due to "the select few with the money who like to control EVERYTHING, but no longer fly"---my own quote.
Hope you all work it out, because I had a great time at Wroughton and met a whole bunch of pilots from around the world. Good Luck.