If a Chinook can apparently do that sort of damage from 200ft up shouldn't someone move all the trailers and blade boxes near the RTR site at Odiham?
I'll be first to admit (being a humble stacker) that my knowledge of down wash is limited to be blown over whilst waiting to refuel various a/c in some of the worlds finest locations but surely this must be some kind of pay off to stop bad press, not for actual damage?
Seems to be another case of people buying houses underneath the approach to long-standing airfields moaning about the noise/vibration/whatever that was probably one of the reasons they brought their house pretty cheap in the first place. Heathrow anyone?