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F6d MissileerThe Douglas F6D Missileer was a proposed carrier-based air-defense fighter aircraft, designed in response to a 1957 US Navy requirement. The F6D-1 would have weighed approximately 50,000 pounds (22,650 kg) and been powered by two Pratt & Whitney TF30-P-2 non-afterburning turbofan engines optimized for fuel efficiency rather than speed. It would have had subsonic performance, but a loiter time of six hours on station 150 nm from its carrier. Of conventional design with straight wings, and the engines in pods at the root, it looked much like a larger version of the later Sukhoi Su-25. The Missileer's radar was to be the Westinghouse AN/APQ-81 pulse Doppler set, with a range of 120 nm (220 km) and "track while scan" capability. It was to be able to engage up to six targets simultaneously with Bendix AAM-N-10 Eagle air-to-air missiles, with a range of 100 nm (185 km). The Eagle was to have a choice of conventional or nuclear warhead. The Navy quickly developed doubts about the slow "missile truck" concept. The F6D-1 would have been helpless after launching its missiles, lacking defensive armament, speed, or maneuverability to defend itself, and despite its cost it was useless for any role other than air defense. It was cancelled in December 1960. The Navy was eventually forced to participate in the TFX joint-services program that resulted in the General Dynamics F-111B, and after the F-111B proved a non-starter, later launched the VFX program that produced the Grumman F-14 Tomcat. The Eagle missile was also cancelled, but after strenuous objections by the Navy, the technology was transferred to Hughes for the AIM-54 Phoenix missile. The F6D-1's missile and radar technologies were both later used, in evolved form, in the Grumman F-14. Specifications (F6D-1, as designed) General Characteristics - Crew: three
- Length: 51 ft 2 in (15.60 m)
- Wingspan: 58 ft 5 in (17.80 m)
- Height: 17 ft 7 in (5.20 m)
- Wing area: N/A
- Empty weight: N/A
- Loaded: N/A
- Maximum takeoff: 50,000 lb (22,650 kg)
- Powerplant: 2x Pratt & Whitney TF30-P-2, 10,200 lb (45.5 kN) thrust each
Performance - Maximum speed: 1,000 mph (1,600 km/h)
- Range: N/A
- Service ceiling: 45,920 ft (14,000 m)
- Rate of climb: N/A
- Wing loading: N/A
- Thrust-to-weight: 0.4:1
Armament Related content Related development: F-111B Comparable aircraft: Designation sequence: XFD - F2D - F3D - F4D - F5D - F6D
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