Keywords: F9F-3 Panther with Emerson turret in flight in early 1950s.jpg A U S Navy Grumman F9F-3 Panther BuNo 122562 operated by the Naval Air Test Center at Patuxent River Maryland USA This aircraft was fitted with an experimental electro-hydraulically driven Emerson Aero X17A roll-traverse turret housing four 12 7 mm machine guns in 1950 The idea was that the aircraft could destroy enemy bombers while avoiding the fire of the tail gunner The guns could be directed at any angle from directly forward to 20 degrees aft and the gun mount could roll 360 degrees The roll rate was 100 degrees per second and the guns could be traversed at up to 200 degrees per second Unfortunately the volume required for the fire control system avionics and the sheer weight of the turret made it impractical for single-seat fighters and the program was cancelled in early 1954 http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/AdvQuery php U S Navy National Museum of Naval Aviation photo No http //collections naval aviation museum/emuwebdoncoms/pages/doncoms/Display php irn 53282 QueryPage 2Femuwebdoncoms 2Fpages 2Fdoncoms 2FAdvQuery php 1996 253 7403 010 between 1950 1954 U S Navy PD-USGov-Military-Navy Grumman F9F Panther Aircraft weapons |