Hawker Tempest

Hawker Tempest. The Hawker Tempest was a British fighter aircraft developed during the Second World War as an improved derivative of the Hawker Typhoon, intended to address its predecessor's high-altitude performance deficiencies. Designed by the renowned Sydney Camm at Hawker Aircraft, it became one of the most powerful Allied fighters, excelling as a low-altitude interceptor against V-1 flying bombs and in ground-attack roles over German territory in the final year of the conflict. Its robust airframe and powerful Napier Sabre engine made it a formidable asset for the Royal Air Force and several other air forces in the early post-war period.

Development and design

The development of the Tempest was driven by the Royal Air Force's urgent need for a high-performance fighter capable of countering new threats like the Focke-Wulf Fw 190. Under the leadership of Sydney Camm, the team at Hawker Aircraft undertook a significant redesign of the Hawker Typhoon, initially designated the Typhoon II. Key innovations included a new, thinner laminar flow wing and a lengthened fuselage to accommodate the larger, more powerful Napier Sabre engine, specifically the Sabre II series. The project benefited from extensive wind tunnel testing at the Royal Aircraft Establishment in Farnborough, which helped refine the aerodynamic profile. The prototype, powered by a Centaurus radial engine, first flew on 2 September 1942 from Langley Airfield, demonstrating superior handling and speed over its predecessor.

Operational history

Entering service with No. 3 Squadron RAF in January 1944, the Tempest V quickly proved its worth. It became renowned for its exceptional low- and medium-altitude performance, making it the fastest Allied fighter in the European Theatre below 20,000 feet. The Tempest played a critical role in Operation Crossbow, the campaign against V-1 flying bombs, destroying more of these weapons than any other aircraft type. As the Second World War progressed, Second Tactical Air Force Tempest squadrons, such as No. 122 Squadron RAF, conducted devastating fighter-bomber sweeps over France and the Low Countries, attacking Luftwaffe airfields, Wehrmacht transport, and armored columns during the Battle of Normandy and the Allied advance from Paris to the Rhine. In the final months, they provided top cover for RAF Bomber Command daylight raids and engaged in fierce dogfights over the Ruhr.

Variants

The primary production variant was the Tempest Mk V, equipped with the Napier Sabre II engine and built in two series; the Series 1 had long-barrel Hispano-Suiza HS.404 cannons, while the Series 2 featured short-barrel versions and a modified wing leading edge. The Tempest Mk II was designed with a Bristol Centaurus radial engine to mitigate Sabre engine reliability issues and saw post-war service, including with No. 33 Squadron RAF in the Malayan Emergency. A high-altitude variant, the Tempest Mk VI, featured a more powerful Sabre V engine and served in the Middle East with units like No. 213 Squadron RAF. The final development was the Tempest F. Mk II for the Royal Navy, which evolved into the distinct Hawker Sea Fury.

Operators

The primary operator was the Royal Air Force, with frontline squadrons such as No. 486 Squadron RNZAF (a Royal New Zealand Air Force unit within the RAF) and No. 80 Squadron RAF. After the war, the Tempest was exported to several nations; the Indian Air Force received Mk IIs, using them in conflicts following the Partition of India. The Royal Pakistan Air Force also operated the type. Other post-war operators included the air forces of Belgium and Italy, with the latter's Aeronautica Militare using them briefly before transitioning to jet aircraft. Surplus RAF Tempests were also supplied to New Zealand for evaluation.

Specifications (Tempest Mk V)

* **Crew:** 1 * **Length:** 33 ft 8 in (10.26 m) * **Wingspan:** 41 ft 0 in (12.50 m) * **Height:** 16 ft 1 in (4.90 m) * **Wing area:** 302 ft² (28.1 m²) * **Empty weight:** 9,250 lb (4,195 kg) * **Gross weight:** 13,500 lb (6,123 kg) * **Powerplant:** 1 × Napier Sabre IIA liquid-cooled H-24 piston engine, 2,180 hp (1,625 kW) * **Maximum speed:** 435 mph (700 km/h) at 18,500 ft (5,640 m) * **Range:** 740 mi (1,190 km) on internal fuel * **Service ceiling:** 36,500 ft (11,125 m) * **Armament:** 4 × 20 mm Hispano-Suiza HS.404 cannon; provisions for 2 × 1,000 lb (454 kg) bombs or 8 × 3 in (76.2 mm) RP-3 rockets

Category:Fighter aircraft Category:British fighter aircraft Category:World War II British fighter aircraft