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United States' Consolidated PB2Y Coronado flying boat

Photos

  • Consolidated PB2Y Coronado flying boat
  • Consolidated PB2Y Coronado flying boat
  • consolidated PB2Y-2 Coronado flying boat
  • 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. The PB2Y was intended to work alongside the PBY but the PBY turned out to be a more versatile aircraft.

The Consolidated PB2Y Coronado won a 1935 United States Navy competition for a patrol bomber flying boat. The competition had called for a four engine seaplane superior to the Catalina. Two aircraft builders were asked to design the plane, Sikorsky in June 1935 and Consolidated on July 27, 1936. The Consolidated was eventually chosen.

The wing floats retracted into the wingtips.

Prototype

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

Production

The first order was placed in March 1939 / March 31, 1939 for six PB2Y-2s.

Expensive to Construct

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

  • Consolidated XPB2Y-1: 1
  • Consolidated PB2Y-2: 6
  • Consolidated PB2Y-3: 210
    • Order placed November 19, 1940
  • Consolidated PB2Y-3B: 10
  • Total: 216, 226, 227
    • Manufacturer: Consolidated Aircraft Corporation
    • Production: March 1939 - October 1943

Variants

  • Consolidated XPB2Y-1: Prototype. Had four Pratt & Whitney R-1830-72 Twin Wasp engines (1,050 HP).
  • Consolidated PB2Y-2: First production model. Had four Pratt & Whitney R-1830-78 Twin Wasp engines (1,200 HP) with two stage turbo chargers. Entered service on December 31, 1940. Hull was modified. There were six machine guns installed for defensive armament.
  • Consolidated PB2Y-3: Had self sealing fuel tanks and 2,000 lbs of armor added. Had four Pratt & Whitney R-1830-88 engines. Some had anti-submarine radar.
  • Consolidated PB2Y-3B / Consolidated Coronado Mk I: Ten were supplied to Great Britain. Used primarily for hauling freight and passengers.
  • Consolidated PB2Y-3R: Transport. Could carry 44 passengers or 16,000 lb / 7,258 kg of freight. Thirty one were converted.
  • Consolidated PB2Y-5: Had R-1830-92 engines and had to fly under 10,000' / 3,050 m. Could carry more fuel.
  • Consolidated PB2Y-5H: Casualty evacuation that could carry 25 stretchers.
  • Consolidated PB2Y-5R: Transport / Ambulance.
  • Consolidated PB4Y-2: Six were built. Were operated by the US Navy VP-13 squadron. Carried 5,443 kg of bombs.
  • Consolidated PBY-3: 210 built and used in the Pacific.

Usage

Britain (10) and the United States used the Coronado.

First Squadron

The US Navy Patrol Squadron VP-13 received PB2Y-2s on December 31, 1940.

British Use

The British used their Coronados primarily for transport between Britain and the United States with the No 231 Squadron.

Specifications

  Consolidated PB2Y Coronado
Type Patrol flying boat
Transport flying boat
Crew 7 - 10
Engine (Type) 4: Pratt & Whitney
4: Pratt & Whitney R-1800 Twin Wasp
Cylinders Radial 14
HP 1,200 each
Propeller blades 3 each
Dimensions  
Span - floats retracted 115'
35.05 m
Length 79' 3"
24.15 m
Height 25' 4", 27' 6"
8.38 m
Weight  
Loaded 65,000 lb
Performance  
Speed 220 mph
Range 5,200 miles
Armament 8: 0.5" MG
Bombs, torpedoes, or mines 8,000 lb
3,629 kg
  Consolidated PB2Y-3 Coronado
Type Flying Boat Patrol Bomber, Reconnaissance, Reconnaissance Bomber
Crew 10
Engine (Type) 4: Pratt & Whitney R-1830-88 Twin Wasp piston
Cylinders Radial, Radial 14
Cooling Air
HP 1,200 each
Propeller blades Inside engines: 4
Outside engines: 3
Dimensions  
Span 115'
35.05 m
Span - floats retracted 115'
35.05 m
Length 79' 3"
24.16 m, 24.2 m
Height 27' 6"
8.38 m
Wing area 1,780 sq ft
165.36 sq m, 175.4 sq m
Weight  
Empty 40,850 lb, 40,935 lb
18,568 kg
Loaded 67,857 lb, 68,000 lb
30,844 kg, 30,845 kg
Performance  
Speed at sea level 199 mph
320 kph
Speed at 20,000' / 6,095 m 213 mph, 223 mph
359 kph
Speed at 20,000' / 6,096 m 213 mph
343 kph
Cruising speed 140 mph
225 kph
Climb 570'/minute
174 m/minute
Service ceiling 20,100', 20,500'
6,126 m, 6,250 m
Range 1,490 miles
2,398 km
Maximum range 2,365 miles, 2,370 miles
3,814 km, 3,815 km
Armament 8: MG
Turret - Bow 2: 12.7 mm MG
Turret - Dorsal 2: 12.7 mm MG
Turret - Tail 2: 12.7 mm MG
Beam positions 1: 12.7 mm MG each side
Bombs 12,000 lb
Bombs, depth charges, or torpedoes 11,975 lb
5,443 kg
Bombs - Internal 8: 1,000 lb
8: 454 kg
Bombs - External 4: 1,000 lb
4: 454 kg
OR  
Torpedoes - External 2

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
  5. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
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