Merlin Engine

The Mustang was born from a British WW2 specification to North American during 1940. The prototype was completed within 117 days but the RAF was not happy with the aircraft's performance and suggested replacing the V-12 Allison engine with the more powerful RR Merlin.

As the first Spitfire variant to see extensive service outside of Britain, the Mk V fought the Axis alliance over the deserts of North Africa, the waters of the Mediterranean and the vast expanses of the Indian Ocean off the northern coast of Australia. Initially produced in haste to combat the arrival of new German fighters (the Bf 109F and the Fw 190) on the Channel front, the Mk V had been created simply by pairing a Mk I or II fuselage with the new Merlin 45 engine - so successfully that some 6479 airframes were eventually built.

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The Avro 683 Lancaster was a four-engine heavy bomber wing media designed and built primarily by the British Avro (AV Roe and Company).