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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.1,3 The Roc was designed by G. E. Petty.1

The Roc was of all metal construction.1,3

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.1,3

Prototype

No prototype was produced.1
The Roc prototype was first flown on December 23, 1938.3

Production

An order for 136 Rocs was placed on April 28, 1937.1

The first production aircraft flew on December 23, 1938.1,2

  • Blackburn B-25 Roc: 1362,3
    • Manufacturer: Boulton Paul Aircraft Ltd.3
    • Production: ? - August 19403

Variants

  • Blackburn B-25 Roc:
  • Roc ?: Several early models had Shark floats attached.1,4 Max speed 178 mph / 286 kph at 6,000' / 1,830 m.1

Usage

Operational service was brief as it was found to not be up to performance.1 Shortly after being exposed to combat the Roc was relegated to training and target towing.3 Second line land based FAA squadrons received the Roc.1

Specifications

  Blackburn B-25 Roc, Blackburn Roc
Type Carrier fighter bomber1, Carrier fighter2, Fighter3,4
Crew 21,2,3
Engine (Type) Bristol Perseus XII3,4
Bristol Perseus XIII1,2
Cylinders Radial 91,3, 92
Cooling Air3
HP 8301, 8903, 9052,4
Propeller blades 32
Dimensions  
Span 46'1,2,3,4
14.02 m1,2
Length 35'2, 35' 7"1,3,4
10.67 m2, 10.84 m1
Height 12' 1"1,2,3,4
3.68 m1,2
Wing area 310 ft2 1
28.8 m2 1
Weight  
Empty 6,124 lb1,2
2,778 kg1,2
Loaded 7,950 lb1,3, 8,800 lb2
3,606 kg1, 3,992 kg2
Performance  
Speed 196 mph2, 225 mph4
315 kph2
Speed @ 10,000' /
3,050 m
223 mph1,3
359 kph1
Climb 1,130'/minute1, 1,500'/minute2
5.74 m/second1, 457 m/minute2
Service ceiling 18,000'2,3
5,485 m2
Range 610 miles1, 810 miles2,3
982 km1, 1,303 km2
Armament  
Rear turret 4: MG3,4
4: 7.7 mm Browning MGs1
4: 0.303" MG2
Bombs under wings 8: 30 lb2
8: 14 kg2

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