I had a control-line KeilKraft 'Talon' powered by the glow-plug version of the ED 2.46 'Racer'. Racer? Good job the trades description act wasn't around back then - it was an utter slug. But the Talon went MUCH better when I fitted my brand new Christmas present ,a PAW 19BR after first flushing the tank of Nitrex 15 and filling it with PowerPlus!
Still have the PAW 19BR!!