 engine with a 100 hp (75 kW) Gnome rotary engine, while the eighth, and final example, was similar to the sixth aircraft, with a 70–80 hp Gnome rotary.The major role for the other aircraft was as trainers at the Vickers Flying School established at Brooklands, Surrey in 1912.In this role they proved underpowered, and were difficult to fly as they lacked inherent stability.