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The angled sideways cannon idea was adopted by Grumman to improve the dogfight performances of their F9F naval fighter.At the end of 1949 one Emerson Aero X17A rotating turret, with four 0.50-inch machine guns, was mounted in the nose of the F9F-3 Bu No 122562.The nose rotated 360-degree on the plane’s longitudinal axis and the machine guns pivoted within the nose and could be pointed just about anywhere.In 1953 one MiG-17 was extensively modified, as MiG-17 SN, with lateral air intakes and a new nose-mounted Makarov weapons turret. The 469 kg device containing three TBK-495 23-mm cannon able to rotate vertically through an arc of +27-degree and -9-degree.The State test trials conducted in February 1954 revealed serious aiming difficulties when the large recoil forces altered the aircraft’s flight path in the opposite direction.The setbacks suffered while experimenting and the 60 km/h drag produced by the turret convinced the OKB that such system would be useless and the Project SN was abandoned.
The angled sideways cannon idea was adopted by Grumman to improve the dogfight performances of their F9F naval fighter.
At the end of 1949 one Emerson Aero X17A rotating turret, with four 0.50-inch machine guns, was mounted in the nose of the F9F-3 Bu No 122562.
The nose rotated 360-degree on the plane’s longitudinal axis and the machine guns pivoted within the nose and could be pointed just about anywhere.
In 1953 one MiG-17 was extensively modified, as MiG-17 SN, with lateral air intakes and a new nose-mounted Makarov weapons turret. The 469 kg device containing three TBK-495 23-mm cannon able to rotate vertically through an arc of +27-degree and -9-degree.
The State test trials conducted in February 1954 revealed serious aiming difficulties when the large recoil forces altered the aircraft’s flight path in the opposite direction.
The setbacks suffered while experimenting and the 60 km/h drag produced by the turret convinced the OKB that such system would be useless and the Project SN was abandoned.
