Mmmm...
Saint Jack ...
Yes Alan (Styles) was a Belvedere driver (he also did my Puma conversion soooo loong ago) ... he used to tell me of the fun and games trying to rig those things to fly sweet .... something to do with cables and airframe twisting???? I seem to recall!
Age .... Ha .... if you look down the cue .... you'll see me standing not that far away from you!
Cheers