Development
In May 1937, Romania ordered 24 Savoia-Marchetti SM.79B bombers powered by two Romanian-built IAR K14 engines. This variant was designated SM-79B and equipped the 1st Bomber Group (71st and 72nd Bomber Squadron).
Second batch of aircraft were upgraded by replacing the IAR K14 engines with 1200 hp water cooled Junkers Jumo 211Da engines increasing the maximum speed from 350 km/h to 405 km/h. Eight of these new airplanes were ordered in Italy. They were designated JIS-79B (Jumo Italian S-79B). But they didn't arrive until August 1941. An additional 36 aircraft were license built in IAR factory in Brasov under designation IAR 79 JR (Jumo Român).
In the autumn of 1942 another order of 36 bombers was issued to the IAR factory. They were upgraded by replacing the Junkers Jumo 211Da engine with new Junkers Jumo 211F,a 1400 HP engine.
Read more about this topic: IAR 79
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