I'm also reminded of how good it used to ride at Chessington. My first ever ride on it, or any Topscan for that matter, which would have been in 2002, was shocking!
There was no build up, it went from a standing start to full-on, full speed, mental spin mode in a matter of seconds. It was ferocious. I likened the experience to being launched upwards on a shot tower, but with all that extra spinage going on. Mental it was. One of those true wtf moments in my goonhood, up there with riding Blitz Bahn at Toverland for the first time. 'What the fuuuu........'
Sadly, no ride on it since, either at Chessie or Thorpe, has ever been that wild. Which makes me think that that first ride was probably one of those occasions back in the day when the operators had more freedom to control the ride's intensity and was probably running it a wee bit faster than he or she was supposed to. I believe that happened far more frequently back then; see also Rameses Revenge and Ripsaw.