The Saab 21 was a Swedish single-seater fighter aircraft developed in 1941 as a national fighter to replace American and Italian fighter aircraft in the Swedish air force. The Saab 21 was a mid-wing cantilever monoplane that entered service after the end of the Second World War and remained in production until 1948. The
Saab 21 was powered by a Daimler Benz DB 605B 12-cylinder inverted-Vee piston engine providing a top speed of 640 kmh and a range of 750 km. Armaments consisted of one 20 mm cannon and two 13 mm machine-guns in the nose of the central nacelle. Research Saab 21
 
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