General Dynamics/Grumman F-111B

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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