Halton Brat, just type 'Gnat' into the advanced search option and you'll find plenty of tales of the Folland Pocket Rocket!
Don't forget that well-known Ynys Mon firm of solicitors - Speed, Trim and Unlock.
I'm convinced that the chap who designed the Gnat's longitudinal control system knew he was going to be fired, so decided to get his own back by designing a system of such fiendish complexity.