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Great Britain's Blackburn B-25 Roc, Blackburn Roc fighter

Photos

Blackburn Roc fighter:
Great Britain's Blackburn B-25 Roc fighter
Aeronautics Aircraft Spotters' Handbook
Blackburn Roc fighter:
Great Britain's Blackburn B-25 Roc fighter
Aeronautics Aircraft Spotters' Handbook

Design

The Blackburn B-25 Roc was the fighter bomber version of the Blackburn Skua. The Roc was designed by G. E. Petty.

The Roc was of all metal construction.

Armament

The main armament of the Roc was a Boulton Paul Type A Mk II powered turret that was at the rear of the cockpit area.

Prototype

No prototype was produced.
The Roc prototype was first flown on December 23, 1938.

Production

An order for 136 Rocs was placed on April 28, 1937.

The first production aircraft flew on December 23, 1938.

  • Blackburn B-25 Roc: 136
    • Manufacturer: Boulton Paul Aircraft Ltd.
    • Production: ? - August 1940

Variants

  • Blackburn B-25 Roc:
  • Roc ?: Several early models had Shark floats attached. Max speed 178 mph / 286 kph at 6,000' / 1,830 m.

Usage

Operational service was brief as it was found to not be up to performance. Shortly after being exposed to combat the Roc was relegated to training and target towing. Second line land based FAA squadrons received the Roc.

Specifications

  Blackburn B-25 Roc, Blackburn Roc
Type Carrier fighter bomber, Carrier fighter, Fighter
Crew 2
Engine (Type) Bristol Perseus XII
Bristol Perseus XIII
Cylinders Radial 9, 9
Cooling Air
HP 830, 890, 905
Propeller blades 3
Dimensions  
Span 46'
14.02 m
Length 35', 35' 7"
10.67 m, 10.84 m
Height 12' 1"
3.68 m
Wing area 310 ft2
28.8 m2
Weight  
Empty 6,124 lb
2,778 kg
Loaded 7,950 lb, 8,800 lb
3,606 kg, 3,992 kg
Performance  
Speed 196 mph, 225 mph
315 kph
Speed @ 10,000' /
3,050 m
223 mph
359 kph
Climb 1,130'/minute, 1,500'/minute
5.74 m/second, 457 m/minute
Service ceiling 18,000'
5,485 m
Range 610 miles, 810 miles
982 km, 1,303 km
Armament  
Rear turret 4: MG
4: 7.7 mm Browning MGs
4: 0.303" MG
Bombs under wings 8: 30 lb
8: 14 kg

Sources:

  1. The Great Book of Fighters, William Green, Gordon Swanborough, 1994
  2. Aircraft of WWII, Stewart Wilson, 1998
  3. World War II Airplanes Volume 1, Enzo Angelucci, Paolo Matricardi, 1976
  4. Aeronautics Aircraft Spotters' Handbook, Ensign L. C. Guthman, 1943
20th Century American Military History Crucial Site