1st Flight 1965
The General Dynamics/Grumman F-111B is a long-range carrier-based interceptor aircraft that was planned to be a follow-on to the F-4 Phantom II for the United States Navy.
Variants
7 aircraft were built
1 – Prototype with heavy airframe, TF30-P-3 engines
2 – Prototype with heavy airframe, TF30-P-3 engines.
3 – Prototype with heavy airframe, TF30-P-3 engines.
4 – Prototype with lightened airframe, TF30-P-3 engines
5 – Prototype with lightened airframe, TF30-P-3 engines.
6 – Pre-production version, TF30-P-12 engines.
7 – Pre-production version, TF30-P-12 engines.
Specifications
Crew: 2
Length: 68 ft 10 in (20.98 m)
Height: 15 ft 9 in (4.80 m)
Airfoil: NACA 64-210.68 root, NACA 64-209.80 tip
Empty weight: 46,100 lb (20,910 kg)
Gross weight: 79,000 lb (35,800 kg)
Max take-off weight: 88,000 lb (39,900 kg)
Wing span:
Spread: 70 ft (21.3 m)
Swept: 33 ft 11 in (10.34 m)
Wing area:
Spread: 655.5 ft2 (60.9 m2)
Swept: 550 ft2 (51.1 m2)
Powerplant: 2 × Pratt & Whitney TF30-P-3 turbofans, 10,750 lbf (47.8 kN) thrust each dry, 18,500 lbf (82 kN) with afterburner
Performance
Maximum speed: 1,450 mph (2,330 km/h, 1,260 kn)
Maximum speed: Mach 2.2
Range: 2,100 mi (3,390 km, 1,830 nmi) ; with 6 AIM-54 missiles and 23,000 lb fuel internal
Ferry range: 3,200 mi (5,150 km, 2,780 nmi) ; with 2 x 450 gal external tanks
Service ceiling: 65,000 ft (19,800 m)
Rate of climb: 21,300 ft/min (108 m/s)
Thrust/weight: 0.47
Wing loading:
Spread: 120 lb/ft2 (586 kg/m2)
Swept: 144 lb/ft2 (703 kg/m2)
Armament
Guns: 1× M61 Vulcan 20 mm (0.787 in) Gatling cannon (seldom fitted)
Hard points: 6 under wing pylons for ordnance and external fuel tanks
Missiles: 6 x AIM-54 Phoenix long range air-air missiles (four under wings, two in weapons bay)
Avionics
AN/AWG-9 Pulse-Doppler radar.
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