still in development, the Bristol Bulldog, which had a top speed of 174 mph. The Hart would then be sent to the Aeroplane and Armament Experimental Establishment to undergo testing on the 8th September

and both prototypes would be powered by the 840-hp Bristol Mercury IX engine, with the 9th February 1937 seeing the maiden flight of the first prototype. Prior to this 190 aircraft had been ordered in

The Wellesley Mk I was powered by the 925-hp Bristol Pegasus XX engine, this gave the aircraft a top speed of 222 mph, range of 1,100 miles with a service ceiling of 26,100 ft. Armament consisted of one

housed a crew of four and was powered by a 750-hp Bristol Pegasus VI engine giving the aircraft a top speed of 135 mph, range of 600 miles and a service ceiling of 18,500 ft. Armament consisted of two

5 Westland Lysander 4 Bristol Blenheim 6 Hawker Hurricane Advanced Air Striking Force (13 squadrons) 8 Fairey Battle 2 Bristol Blenheim 3 Hawker Hurricane The two letters in () are the squadron

Bristol Hercules Powered Lancaster B.II Of the Lancaster variants produced all would be powered by either Rolls-Royce or Packard Merlins, the exception was the Lancaster B.II, which was powered by the

known as the Vincent Mk I it was powered by the 635-hp Bristol Pegasus IIM3 engine, giving the aircraft a top speed of 142 mph, range of 625 miles with a service ceiling of 19,000 ft. Armament was one

30th August 1944 and was powered by four 1,680-hp Bristol Hercules XVIII engines. An order for 40 Seafords was placed with four 1,720-hp Bristol Hercules XIX engines powering the aircraft. Top speed

a Manchester Mk II, powered by either Bristol Centaurus or Napier Sabre engines was planned, but none were ever produced. This would be followed by the Manchester Mk III, this would have an increased

The Harrow Mk I was powered by a pair of 850-hp Bristol Pegasus X engines giving the aircraft a top speed of 190 mph. This was quickly followed by the 925-hp Bristol Pegasus XX powered Harrow Mk II. This