In 1940 at the end of the British Royal Air Force in order to effectively block future use of the German Air Force Junkers Ju 86P high-altitude bombers on the British launched a new offensive, urgent need to develop a new "Spitfire" fighter jets to intercept the bombers equipped with turbocharger, new aircraft equipped with new "Merlin" Mk.6 engine . The development of new fighters yet to time, so need a quick response to fill the gaps in the design, which is "Spitfire" Mk V of the origin.
Basic "Spitfire" Mk.V MK.I installed by the "Merlin" Mk.45 engines. The engine power take-off up to 1,440 horsepower, using a single-speed single-stage booster, the carburetor can be in zero gravity to ensure smooth supply of fuel. Some "Spitfire" Mk.I and Mk.2 in the production line is in accordance with the standards Mk.V refitted, entered service in early 1941. Most Mk.V series Broken Mu Weiqi in the plants.
