Blackburn Skua - Design and Development

Design and Development

Built to Air Ministry specification O.27/34, it was a low-wing monoplane of all-metal (duralumin) construction with a retractable undercarriage and enclosed cockpit. It was the Fleet Air Arm's first service monoplane, and was a radical departure for a service that was primarily equipped with open-cockpit biplanes such as the Fairey Swordfish.

Performance for the fighter role was compromised by the aircraft's bulk and lack of power, resulting in a relatively low speed; the contemporary marks of Messerschmitt Bf 109 made 290 mph (467 km/h) at sea level over the Skua's 225 mph (362 km/h). However, the aircraft's armament of four fixed, forward-firing 0.303 in (7.7 mm) Browning machine guns in the wings and a single flexible, rearward-firing .303 in (7.7 mm) Vickers K machine gun was effective for the time. For the dive-bombing role, a single 250 lb (110 kg) or 500 lb (230 kg) bomb was carried on a special swinging crutch under the fuselage, which enabled the bomb to clear the propeller arc on release. Four 40 lb (20 kg) bombs or eight 20 lb (9 kg) Cooper bombs could also be carried in racks under each wing. It had large Zap-type air brakes/flaps which helped both in dive bombing and landing on aircraft carriers at sea.

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