United States' Consolidated PB2Y Coronado flying boat1,2
Consolidated PB2Y Coronado:
Design
The Consolidated PB2Y Coronado won a 1935 United States Navy competition for a patrol bomber flying boat.2
The wing floats retracted into the wingtips.1
Prototype
The XPB2Y-1 first flew in 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
Production
The first order was placed in March 1939 for six PB2Y-2s.2 The last delivery was in October 1943.2
- XPB2Y-1: 12
- PB2Y-2: 62
- PB2Y-3: 2102
- PB2Y-3B: 102
- Total: 2261, 2272
Variants
- XPB2Y-1: Prototype.1,2 Had four Pratt & Whitney Twin Wasp engines (1,050 HP).2
- 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
- PB2Y-3: Had self sealing fuel tanks and armor.1,2 Had four Pratt & Whitney R-1830-88 engines.2
- PB2Y-3B / Coronado Mk I: Ten were supplied to Great Britain.1 Used primarily for hauling freight and passengers.1,2
- PB2Y-3R: Transport.1,2 Could carry 44 passengers or 16,000 lb / 7,258 kg of freight.2 Thirty one were converted.2
- PB2Y-5: Had R-1830-92 engines.1,2 Could carry more fuel.2
- PB2Y-5H: Casualty evacuation that could carry 25 stretchers.1,2
- PB4Y-2: Six were built.1 Were operated by the US Navy VP-13 squadron.1 Carried 5,443 kg of bombs.1
- PBY-3: 210 built and used in the Pacific.1
Usage
Britain and the United States used the Coronado.2
| Consolidated PB2Y Coronado2 | Consolidated PB2Y-3 Coronado1 | |
|---|---|---|
| Type | Patrol flying boat2 Transport flying boat2 |
Flying boat patrol bomber1 |
| Crew | 7 - 102 | |
| Engine (Type) | 4: Pratt & Whitney R-1800 Twin Wasp2 | 4: Pratt & Whitney R-1830-88 Twin Wasp piston1 |
| Cylinders | Radial 142 | Radial1 |
| Cooling | ||
| HP | 1,200 each2 | 1,200 each1 |
| Propeller blades | 3 each2 | Inside engines: 41 Outside engines: 31 |
| Dimensions | ||
| Span - floats retracted | 115'2 35.05 m2 |
115'1 35.05 m1 |
| Length | 79' 3"2 24.15 m2 |
79' 3"1 24.16 m1 |
| Height | 27' 6"2 8.38 m2 |
27' 6"1 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 30,844 kg1, 30,845 kg2 |
|
| Performance | ||
| Speed at sea level | 199 mph2 320 kph2 |
|
| Speed @ 20,000' / 6,095 m |
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 6,126 m2 |
|
| Range | 1,490 miles2 2,398 km2 |
|
| Maximum range | 2,365 miles1, 2,370 miles2 3,814 km1,2 |
|
| Armament | 8: 0.5" MG2 | |
| Bow, dorsal, tail turrets | 2: 12.7 mm MG each1 | |
| Beam positions | 1: 12.7 mm MG each side1 | |
| Bombs, torpedoes, or mines | 8,000 lb2 3,629 kg2 |
|
| Bombs, depth charges, or torpedoes | 11,975 lb1 5,443 kg1 |
Sources:
- Aircraft of WWII, General Editor: Jim Winchester, 2004
- Aircraft of WWII, Stewart Wilson, 1998
