Bristol Siddeley Orpheus
…the competition, the Fiat G.91R and G.91T, used Fiat-built versions of the engine. Other users, mostly trainers, soon followed, including the Fuji T-1, HAL HF-24 Marut, HA-300, and the experimental Hunting H.126 and Short SB5. For later civilian applications, the Orpheus was chosen, after use of two each on the…