The Supermarine Spitfire Mk XIV at Fête Aérienne Haguenau 🇫🇷✈️ That unmistakable sound of the Rolls-Royce Griffon 65 — a 36.7-litre V12 producing around 2,050 hp! 🔥 Compared with the Merlin marks, the Griffon is a bigger, heavier engine with a two-stage two-speed supercharger,