Hawker Hurricane PART 1: • Hawker Hurricane | RollsRoyce Merlin...
The Hawker Hurricane was a British singleseat fighter aircraft manufactured by Hawker Aircraft, Ltd., in the 1930s and ’40s. The Hurricane was numerically the most important British fighter during the critical early stages of World War II, sharing victory laurels with the Supermarine Spitfire in the Battle of Britain (1940–41) and the defense of Malta (1941–42). Hurricanes served in all theatres of war where British forces were engaged.
The Hurricane emerged from efforts by Sydney Camm, Hawker’s chief designer, to develop a highperformance monoplane fighter and a March 1935 Air Ministry requirement calling for an unprecedented heavy armament of eight wingmounted 0.303inch (7.7mm) machine guns. Designed around a 1,200horsepower, 12cylinder, inline RollsRoyce engine soon to be dubbed the Merlin, the Hurricane was an evolutionary development of earlier Camm designs, notably the Fury biplane fighter. A lowwing monoplane with retractable landing gear, the Hurricane, aside from its clean lines and heavy armament, was a conventional design. Its wings, rear fuselage, and tail surfaces were covered by fabric, though the fabric wingcovering soon gave way to aluminum.
The first Royal Air Force (RAF) fighter capable of exceeding 300 miles (480 km) per hour in level flight, the plane had excellent flight characteristics.
Hurricanes began entering squadron service in late 1937, and some 500 were on hand when Germany invaded Poland in September 1939. Hurricanes bore the brunt of airtoair fighting in the Battle of France (May–June 1940), and Hurricanes equipped 30 squadrons (to 19 Spitfire squadrons) at the start of the Battle of Britain. The Hurricane I, the version that fought the battle, had a maximum speed of 330 miles (530 km) per hour (though in practice, this could be as low as 305 miles [490 km] per hour) and a ceiling of 36,000 feet (10,980 meters). Slower than the Spitfire, the Hurricane fought at a disadvantage to the German Bf 109 in climb and dive but proved to be a potent bomber destroyer, the concentrated fire of its eight machine guns literally sawing Luftwaffe bombers in half on occasion. In addition, the Hurricane was a forgiving aircraft to fly; this and its wideset landing gear minimized landing accidents. Finally, the Hurricane’s conventional construction lent itself to speedy repair of battle damage, and shotup Hurricanes returning quickly to service made an appreciable contribution to victory.
Later Hurricane models exploited the Merlin engine's steadily increasing power to carry heavier armament so that, though it was superseded as a frontline interceptor by 1941, it remained a capable fighter bomber. The Hurricane II was built in two main variants, one mounting no fewer than 12 0.303inch machine guns in the wings and the other mounting four 0.8inch (20mm) automatic cannons. Hurricanes were equipped with sand filters for service in the North African desert, tail hooks, and strengthened empennages for duty as sea hurricane carrier fighters. Fitted with underwing bomb shackles, Hurricane fighterbombers served in North Africa and remained in frontline service in Burma (Myanmar) and India through the war’s end. Later versions were modified to carry launching rails for airtoground rockets; some had a pair of underwing 1.6inch (40mm) cannons. Perhaps the most bizarre use of Hurricanes was as “Hurricats,” launched by rocketpowered catapults from merchant ships on oneway missions to defend North Atlantic convoys from German patrol bombers.
Hawker Hurricane General characteristics
Crew: One
Length: 32 ft 3 in (9.83 m)
Wingspan: 40 ft 0 in (12.19 m)
Height: 13 ft 1.5 in (4.001 m)
Wing area: 257.5 sq ft (23.92 m2)
Airfoil: root: Clark YH (19%); tip: Clark YH (12.2%)[177]
Empty weight: 5,745 lb (2,606 kg)
Gross weight: 7,670 lb (3,479 kg)
Max takeoff weight: 8,710 lb (3,951 kg)
Powerplant: 1 × RollsRoyce Merlin XX V12 liquidcooled piston engine, 1,185 hp (884 kW) at 21,000 ft (6,400 m)
Propellers: 3bladed
Performance
Maximum speed: 340 mph (550 km/h, 300 kn) at 21,000 ft (6,400 m)
Range: 600 mi (970 km, 520 nmi)
Service ceiling: 36,000 ft (11,000 m)
Rate of climb: 2,780 ft/min (14.1 m/s)
Wing loading: 29.8 lb/sq ft (145 kg/m2)
Power/mass: 0.15 hp/lb (0.25 kW/kg)
Armament
Guns: 4 × 20 mm (0.79 in) Hispano Mk II cannon
Bombs: 2 × 250 or 500 lb (110 or 230 kg) bombs
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