AIM-47A FALCON!
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Cancelled 1965 for YF-12. Semi-active / active-radarguided active-radarguided. Total Mass: 360 kg. Core Diameter: 0.34 m. Total Length: 3.20 m. Span: 0.85 m. Maximum range: 185 km. Boost Propulsion: Solid rocket. Guidance: Semi-Active Radar + Infrared Homing. Maximum speed: 6,770 kph.
Historical Essay © Andreas Parsch
Hughes GAR-9/AIM-47 Falcon
In 1958, Hughes started to develop the AN/ASG-18 fire-control system (FCS) for the forthcoming North American F-108 Rapier long-range Mach 3+ interceptor. The missile component of the system was to be a large derivative of the AIM-4 Falcon missile family, designated GAR-9, which was to have a range of more than 160 km (100 miles). The large radar of the AN/ASG-18 was to provide target illumination for the semi-active radar mid-course guidance. For terminal homing, the GAR-9 was equipped with an infrared seeker. The GAR-9 was powered by a storable liquid-fuel rocket motor, and for some time, a low-yield nuclear W-42 warhead was envisioned, but eventually a conventional HE warhead was used.
When the F-108 was cancelled in 1959, the USAF looked for a replacement and found the Lockheed A-12 "Blackbird" reconnaissance plane. It was decided to developed an interceptor derivative, designated YF-12A, which would use the AN/ASG-18 FCS and the GAR-9 missile. In 1963 the XGAR-9 prototype missile was redesignated XAIM-47A, and in the same year, flight tests of the YF-12A and the XAIM-47A began. During the test program, several successful long-range intercepts of target drones were performed. In 1966 the planned F-12B production interceptor was cancelled, which also meant the cancellation of the AIM-47A production missile. About 80 XAIM-47A's had been built, and some of the technology was used by Hughes to develop the AIM-54 Phoenix long-range air-to-air missile for the U.S. Navy.
An air-to-ground derivative of the AIM-47 was briefly evaluated as the XAGM-76A.
Specifications
Note: Data given by several sources show slight variations. Figures given below may therefore be inaccurate!
Data for XAIM-47A:
Length 3.20 m (126 in)
Wingspan 0.838 m (33 in)
Diameter 0.335 m (13.2 in)
Weight 363 kg (800 lb)
Speed Mach 6
Range 210 km (130 miles)
Propulsion Lockheed storable liquid-fuel rocket
Warhead High-explosive
Main Sources
[1] Bill Gunston: "The Illustrated Encyclopedia of Rockets and Missiles", Salamander Books Ltd, 1979
[2] Paul F. Crickmore: "Lockheed SR-71 Blackbird", Osprey Publishing Ltd, 1986
Sarebbe alle base del AIM-54 Phoenix?
Perchè gli USA hanno abbandonato questa fenomenale serie di missili?

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