Hawker Hotspur

Specifications

1st Flight 1938

Crew: Two (pilot & gunner)

Length: 32 ft 10.5 in (10.02 m)

Wingspan: 40 ft 6 in (12.34 m)

Height: 13 ft 10 in (4.22 m)

Wing area: 342 sq ft (31.8 m2)

Empty weight: 5,800 lb (2,630 kg)

Max takeoff weight: 7,650 lb (3,470 kg)

Powerplant: 1 × Rolls-Royce Merlin II hp V-12 inline piston engine, 1,030 hp (768 kW)

Performance

Maximum speed: 316 mph (510 km/h, 275 kn)

Service ceiling: 28,000 ft (8,500 m)

Armament

Guns:

4 × .303 in (7.7 mm) Browning machine guns in a Boulton-Paul turret.

1 × .303 in (7.7 mm) Vickers machine gun in nose

Variants

The Hawker Hotspur was a Hawker Henley redesigned to take a Boulton-Paul semi-powered four gun turret.

It was designed in response to Air Ministry Specification F.9/35, which required a powered turret as the main armament to replace the Hawker Demon.

As Hawker was committed to the production of Hurricanes and Gloster to Henley production, there was insufficient capacity to introduce another type and production was abandoned.

The mock-up turret was removed and a cockpit fairing installed.

Planned production by Avro to Specification 17/36 was abandoned and the prototype, less turret, was used at the RAE Farnborough to test flap and dive brake configurations until 1942.

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