Grumman F6F Hellcat

Specifications

1st Flight 1942

Crew: 1

Length: 33 ft 7 in (10.24 m)

Wingspan: 42 ft 10 in (13.06 m)

Height: 13 ft 1 in (3.99 m)

Wing area: 334 sq ft (31.0 m2)

Aspect ratio: 5.5

Airfoil: root: NACA 23015.6; tip: NACA 23009

Empty weight: 9,238 lb (4,190 kg)

Gross weight: 12,598 lb (5,714 kg)

Max takeoff weight: 15,415 lb (6,992 kg)

Fuel capacity: 250 US gal (208 imp gal; 946 l) internal; up to 3 × 150 US gal (125 imp gal; 568 l) external drop tanks

Zero-lift drag coefficient: 0.0211

Drag area: 7.05 sq ft (0.655 m2)

Powerplant: 1 × Pratt & Whitney R-2800-10W Double Wasp 18-cylinder air-cooled radial piston engine, 2,200 hp (1,600 kW) with a two-speed two-stage supercharger and water injection

Propellers: 3-bladed Hamilton Standard, 13 ft 1 in (3.99 m) diameter constant-speed propeller

Performance

Maximum speed: 391 mph (629 km/h, 340 kn)

Stall speed: 84 mph (135 km/h, 73 kn)

Combat range: 945 mi (1,521 km, 821 nmi)

Ferry range: 1,530 mi (2,460 km, 1,330 nmi)

Service ceiling: 37,300 ft (11,400 m)

Rate of climb: 2,600 ft/min (13 m/s)

Time to altitude: 20,000 ft (6,096 m) in 7 minutes 42 seconds

Lift-to-drag: 12.2

Wing loading: 37.7 lb/sq ft (184 kg/m2)

Power/mass: 0.16 hp/lb (0.26 kW/kg)

Take-off run: 799 ft (244 m)

Armament

Guns:

6× 0.50 in (12.7 mm) M2 Browning machine guns, with 400 rounds per gun, (All F6F-3, and most F6F-5) or

2 × 0.79 in (20 mm) AN/M2 cannon, with 225 rounds per gun and 4 × 0.50 in (12.7 mm) Browning machine guns with 400 rounds per gun

Rockets:

6 × 5 in (127 mm) HVARs or

2 × 11+3⁄4 in (298 mm) Tiny Tim unguided rockets

Bombs: up to 4,000 lb (1,800 kg) full load, including:

Bombs or Torpedoes: (Fuselage mounted on centerline rack)

1 × 2,000 lb (910 kg) bomb or

1 × Mk.13-3 torpedo;

Under wing bombs: (F6F-5 had two additional weapons racks either side of fuselage on wing center-section)

2 × 1,000 lb (450 kg) or

4 × 500 lb (230 kg)

8 × 250 lb (110 kg)

Variants

The Grumman F6F Hellcat is an American carrier-based fighter aircraft of World War II.

XF6F prototypes

XF6F-1

First prototype, powered by a two-stage 1,600 hp (1,193 kW) Wright R-2600-10 Cyclone 14 radial piston engine.

XF6F-2

The first XF6F-1 prototype revised and fitted with a turbocharged Wright R-2600-16 Cyclone radial piston engine. R-2600 replaced by turbocharged R-2800-21.

XF6F-3

Second prototype fitted with a two-stage supercharged 2,000 hp (1,491 kW) Pratt & Whitney R-2800-10 Double Wasp radial piston engine.

XF6F-4

One F6F-3 fitted with a two-speed turbocharged 2,100 hp (1,566 kW) Pratt & Whitney R-2800-27 Double Wasp radial piston engine.

XF6F-6

Two F6F-5s that were fitted with the 2,100 hp (1,566 kW) Pratt & Whitney R-2800-18W radial piston engine, and four-bladed propellers.

Series production

F6F-3 (British designation Gannet F. Mk. I, and then later, renamed Hellcat F. Mk. I, January 1944)

Single-seat fighter, fighter-bomber aircraft, powered by a 2,000 hp (1,491 kW) Pratt & Whitney R-2800-10 Double Wasp radial piston engine.

F6F-3E

Night fighter version, equipped with an AN/APS-4 radar in a fairing on the starboard outer wing.

F6F-3N

Another night fighter version, equipped with a newer AN/APS-6 radar in a fairing on the starboard outer wing.

F6F-5 Hellcat (British Hellcat F. Mk. II)

Improved version, with a redesigned engine cowling, a new windscreen structure with an integral bulletproof windscreen, new ailerons and strengthened tail surfaces; powered by a 2,200 hp (1,641 kW) Pratt & Whitney R-2800-10W (-W denotes Water Injection) radial piston engine.

F6F-5K Hellcat

A number of F6F-5s and F6F-5Ns were converted into radio-controlled target drones.

F6F-5N Hellcat (British Hellcat N.F. Mk II)

Night fighter version, fitted with an AN/APS-6 radar.

Some were armed with two 20 mm (0.79 in) AN/M2 cannon in the inner wing bays and four 0.50 in (12.7 mm) M2 Browning machine guns in the outer.

F6F-5P Hellcat

Small numbers of F6F-5s were converted into photo-reconnaissance aircraft, with the camera equipment being fitted in the rear fuselage.

Hellcat FR. Mk. II

This designation was given to British Hellcats fitted with camera equipment.

FV-1

Proposed designation for Hellcats to be built by Canadian Vickers; cancelled before any built.

 

 

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