Blackburn B-25 Roc

Specifications

1st Flight 1938

Crew: 2

Length: 35 ft 7 in (10.85 m)

Wingspan: 46 ft 0 in (14.02 m)

Height: 12 ft 1 in (3.68 m)

Wing area: 310 sq ft (29 m2)

Empty weight: 6,121 lb (2,776 kg)

Gross weight: 7,950 lb (3,606 kg)

Powerplant: 1 × Bristol Perseus XII 9-cylinder air-cooled sleeve-valve radial piston engine, 890 hp (660 kW)

Propellers: 3-bladed variable-pitch propeller

Performance

Maximum speed: 194 kn (223 mph, 359 km/h) at 10,000 ft (3,000 m)

Cruise speed: 117 kn (135 mph, 217 km/h)

Range: 700 nmi (810 mi, 1,300 km) with 70 imp gal (320 l; 84 US gal) long-range tank

Service ceiling: 18,000 ft (5,500 m)

Rate of climb: 1,500 ft/min (7.6 m/s)

Armament

Guns: 4 × 0.303 in (7.7 mm) Browning machine guns in power operated dorsal turret

Bombs: 8 × 30 lb (14 kg) bombs

Variants

136 Blackburn B-25 Roc aircraft built, all by Boulton Paul at Wolverhampton.

Small numbers operated in seaplane configuration.

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