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United States' Consolidated PB2Y Coronado flying boat

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Consolidated PB2Y Coronado flying boat:
United States' Consolidated PB2Y Coronado flying boat
Consolidated PB2Y Coronado flying boat:
United States' Consolidated PB2Y Coronado flying boat
US Navy4
Consolidated PB2Y Coronado flying boat:
United States' Consolidated PB2Y Coronado flying boat
Aeronautics Aircraft Spotters' Handbook4
Consolidated PB2Y Coronado flying boat:
United States' Consolidated PB2Y Coronado flying boat

Design

Shortly after the PBY Catalina became operational, the United States Navy started to look for its next flying boat.3 The PB2Y was intended to work alongside the PBY but the PBY turned out to be a more versatile aircraft.3

The Consolidated PB2Y Coronado won a 1935 United States Navy competition for a patrol bomber flying boat.2 The competition had called for a four engine seaplane superior to the Catalina.3 Two aircraft builders were asked to design the plane, Sikorsky in June 1935 and Consolidated in July 1936.3 The Consolidated was eventually choosen.3

The wing floats retracted into the wingtips.1,3

Prototype

The XPB2Y-1 first flew in September 17, 19373 / December 1937, and it had a single tail fin.1,2 Because of it's lateral instability it was changed into a twin fin.1,3

Production

The first order was placed in March 1939 / March 31, 19393 for six PB2Y-2s.2,3 The last delivery was in October 1943.2

Expensive to Construct

For every PB2Y constructed, three PBY Catalinas could have been built.3

  • Consolidated XPB2Y-1: 12
  • Consolidated PB2Y-2: 62,3
  • Consolidated PB2Y-3: 2102,3
    • Order placed November 19, 19403
  • Consolidated PB2Y-3B: 102
  • Total: 2163, 2261, 2272
    • Manufacturer: Consolidated Aircraft Corporation3

Variants

  • Consolidated XPB2Y-1: Prototype.1,2 Had four Pratt & Whitney R-1830-72 Twin Wasp engines (1,050 HP).2,3
  • Consolidated PB2Y-2: First production model.2 Had four Pratt & Whitney R-1830-78 Twin Wasp engines (1,200 HP) with two stage turbo chargers.2 Entered service on December 31, 1940.2,3 Hull was modified.3 There were six machine guns installed for defensive armament.3
  • Consolidated PB2Y-3: Had self sealing fuel tanks and armor.1,2,3 Had four Pratt & Whitney R-1830-88 engines.2 Some had anti-submarine radar.3
  • Consolidated PB2Y-3B / Consolidated Coronado Mk I: Ten were supplied to Great Britain.1 Used primarily for hauling freight and passengers.1,2
  • Consolidated PB2Y-3R: Transport.1,2,3 Could carry 44 passengers or 16,000 lb / 7,258 kg of freight.2 Thirty one were converted.2
  • Consolidated PB2Y-5: Had R-1830-92 engines.1,2 Could carry more fuel.2
  • Consolidated PB2Y-5H: Casualty evacuation that could carry 25 stretchers.1,2,3
  • Consolidated PB2Y-5R: Transport.3
  • Consolidated PB4Y-2: Six were built.1 Were operated by the US Navy VP-13 squadron.1 Carried 5,443 kg of bombs.1
  • Consolidated PBY-3: 210 built and used in the Pacific.1

Usage

Britain (103) and the United States used the Coronado.2

British Use

The British used their Coronados primarily for transport between Britain and the United States.3

Specifications

  Consolidated PB2Y Coronado2
Type Patrol flying boat2
Transport flying boat2
Crew 7 - 102
Engine (Type) 4: Pratt & Whitney4
4: Pratt & Whitney R-1800 Twin Wasp2
Cylinders Radial 142
Cooling  
HP 1,200 each2,4
Propeller blades 3 each2
Dimensions  
Span - floats retracted 115'2,4
35.05 m2
Length 79' 3"2,4
24.15 m2
Height 25' 4"4, 27' 6"2
8.38 m2
Wing area  
Weight  
Empty  
Loaded 65,000 lb4
Performance  
Speed 220 mph4
Cruising speed  
Climb  
Service ceiling  
Range 5,200 miles4
Maximum range  
Armament 8: 0.5" MG2
Bombs, torpedoes, or mines 8,000 lb2
3,629 kg2
  Consolidated PB2Y-3 Coronado1,3
Type Flying boat patrol bomber1, Reconnaissance3
Crew 103
Engine (Type) 4: Pratt & Whitney R-1830-88 Twin Wasp piston1,3
Cylinders Radial1, Radial 143
Cooling Air3
HP 1,200 each1,3
Propeller blades Inside engines: 41
Outside engines: 31
Dimensions  
Span - floats retracted 115'1,3
35.05 m1
Length 79' 3"1,3
24.16 m1
Height 27' 6"1,3
8.38 m1
Wing area 1,780 ft2 1
165.36 m2 1
Weight  
Empty 40,850 lb1, 40,935 lb2
18,568 kg1,2
Loaded 67,857 lb1, 68,000 lb2,3
30,844 kg1, 30,845 kg2
Performance  
Speed  
Speed at sea level 199 mph2
320 kph2
Speed @ 20,000' /
6,095 m
213 mph3, 223 mph1
359 kph1
Speed @ 20,000' /
6,096 m
213 mph2
343 kph2
Cruising speed 140 mph2
225 kph2
Climb 570'/minute2
174 m/minute2
Service ceiling 20,100'2,3
6,126 m2
Range 1,490 miles2,3
2,398 km2
Maximum range 2,365 miles1, 2,370 miles2
3,814 km1,2
Armament 8: MG3
Bow, dorsal, tail turrets 2: 12.7 mm MG each1
Beam positions 1: 12.7 mm MG each side1
Bombs 12,000 lb3
Bombs, depth charges, or torpedoes 11,975 lb1
5,443 kg1

Sources:

  1. Aircraft of WWII, General Editor: Jim Winchester, 2004
  2. Aircraft of WWII, Stewart Wilson, 1998
  3. World War II Airplanes Volume 2, Enzo Angelucci, Paolo Matricardi, 1976
  4. Aeronautics Aircraft Spotters' Handbook, Ensign L. C. Guthman, 1943
20th Century American Military History Crucial Site

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