The Consolidated PBY Catalina

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Pratt & Whitney Twin Wasp R-1830-92


Designed in 1930, the 14-cylinder, 597 KW (800 hp) Twin Wasp engine was first used in the Martin 130 China Clipper that inaugurated trans-Pacific commercial operations in 1935.

United Air Lines had 746 KW (1,000 hp) Twin Wasps installed in their Douglas DC-3As, which went into service in 1937. Other airlines also used Twin Wasp DC-3As, and 9,600 were built for the military as the C-47, C-53, and C-117 to become the principle transports used in World War II.

The 895 KW (1,200 hp) R-1830-92 military version, displayed here, powered the Douglas C-47/A, C-48, C-52, and C-53, all commercial or military versions of the DC-3. A total of 173,618 Twin Wasp engines were manufactured, a number greater than any other large aircraft engine.

Manufacturer: Pratt & Whitney Aircraft

 

Date: Circa World War II

Country of Origin: United States of America

 

Dimensions:
Diameter: 122.4 cm (48 3/16 in.)
Length 156.6 cm (61 5/8in.)

Physical Description:
Type: Radial, 14 cylinders, air-cooled
Power rating: 895 KW (1,200 hp) at 2,700 rpm
Displacement: 30 L (1,828.4 cu in)
Bore and Stroke: 139.5 mm (5.5 in) x 139.5 mm (5.5 in)
Weight (dry): 666 kg (1,467 lb)

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PB2S

Catalina

Boeing-Canada

2 Pratt & Whitney R-1830 Twin Wasp


 


 

PBV-1A

Catalina

Canadian Vickers

2 Pratt & Whitney R-1830 Twin Wasp


 

OA-10A, A-10A

XPBY-1

Catalina

Consolidated

2 Pratt & Whitney R-1830-64 Twin Wasp

3

XP3Y-1

PBY-1

Catalina

Consolidated

2 Pratt & Whitney R-1830 Twin Wasp


 


 

PBY-2

Catalina

Consolidated

2 Pratt & Whitney R-1830 Twin Wasp


 


 

PBY-3

Catalina

Consolidated

2 Pratt & Whitney R-1830-66 Twin Wasp


 


 

PBY-4

Catalina

Consolidated

2 Pratt & Whitney R-1830-72 Twin Wasp


 


 

PBY-5

Catalina

Consolidated

2 Pratt & Whitney R-1830-92 Twin Wasp


 


 

XPBY-5A

Catalina

Consolidated

2 Pratt & Whitney R-1830 Twin Wasp


 


 

PBY-5A

Catalina

Consolidated

2 Pratt & Whitney R-1830 Twin Wasp


 

OA-10, A-10

PBY-5B

Catalina

Consolidated

2 Pratt & Whitney R-1830 Twin Wasp


 


 

PBY-6A

Catalina

Consolidated

2 Pratt & Whitney R-1830 Twin Wasp


 

OA-10B, A-10B

PBY-6AG

Catalina

Consolidated

2 Pratt & Whitney R-1830 Twin Wasp


 


 

XPB2Y-1

Coronado

Consolidated

4 Pratt & Whitney R-1830-72 Twin Wasp

10


 

PB2Y-2

Coronado

Consolidated

4 Pratt & Whitney R-1830-78 Twin Wasp

10


 

PB2Y-3

Coronado

Consolidated

4 Pratt & Whitney R-1830-88 Twin Wasp

10


 

PB2Y-3B

Coronado

Consolidated

4 Pratt & Whitney R-1830-88 Twin Wasp

10


 

PB2Y-3R

Coronado

Consolidated

4 Pratt & Whitney R-1830-88 Twin Wasp


 


 

XPB2Y-4

Coronado

Consolidated

2 Wright R-2600 Cyclone


 

XPB2Y-6

PB2Y-5

Coronado

Consolidated

4 Pratt & Whitney R-1830-92 Twin Wasp


 


 

PB2Y-5F

Coronado

Consolidated

4 Pratt & Whitney R-1830-92 Twin Wasp


 


 

PB2Y-5H

Coronado

Consolidated

4 Pratt & Whitney R-1830-92 Twin Wasp


 


 

PB2Y-5R

Coronado

Consolidated

4 Pratt & Whitney R-1830-92 Twin Wasp


 


 

PB2Y-5Z

Coronado

Consolidated

4 Pratt & Whitney R-1830-92 Twin Wasp


 


 

XPB2Y-6

Coronado

Consolidated

2 Wright R-2600 Cyclone


 

XPB2Y-4

PB3Y


 

Consolidated

4 Pratt & Whitney R-2800-18 Double Wasp


 


 

PB4Y-1

Liberator

Consolidated

4 Pratt & Whitney R-1830 Twin Wasp


 

B-24D,G,J,L,M

PB4Y-1P

Liberator

Consolidated

4 Pratt & Whitney R-1830 Twin Wasp


 

P4Y-1P

PB4Y-1Z

Liberator

Consolidated

4 Pratt & Whitney R-1830 Twin Wasp


 


 

XPB4Y-2

Sea Liberator

Consolidated

4 Pratt & Whitney R-1830-94 Twin Wasp


 


 

PB4Y-2

Sea Liberator

Consolidated

4 Pratt & Whitney R-1830-94 Twin Wasp


 

PB4Y-2 Privateer, P4Y-2, P-4B

PB4Y-2

Privateer

Consolidated

4 Pratt & Whitney R-1830-94 Twin Wasp


 

PB4Y-2 Sea Liberator, P4Y-2, P-4B

PB4Y-2B

Privateer

Consolidated

4 Pratt & Whitney R-1830-94 Twin Wasp


 

P4Y-2B

PB4Y-2C

Privateer

Consolidated

4 Pratt & Whitney R-1830-94 Twin Wasp


 


 

PB4Y-2M

Privateer

Consolidated

4 Pratt & Whitney R-1830-94 Twin Wasp


 


 

PB4Y-2P

Privateer

Consolidated

4 Pratt & Whitney R-1830-94 Twin Wasp


 

P4Y-2P

PB4Y-2S

Privateer

Consolidated

4 Pratt & Whitney R-1830-94 Twin Wasp


 

P4Y-2S

 
 
British variants

Mk I

2 Pratt & Whitney R-1830 Twin Wasp


 


 

Mk IB

2 Pratt & Whitney R-1830 Twin Wasp


 

PBY-5B

Mk IIA

2 Pratt & Whitney R-1830 Twin Wasp


 

PBY-5

Mk III

2 Pratt & Whitney R-1830 Twin Wasp


 

PBY-5A

Mk IV

2 Pratt & Whitney R-1830 Twin Wasp


 

PB2B-1

Mk IVA

2 Pratt & Whitney R-1830 Twin Wasp


 

PBY-5

Mk IVB

2 Pratt & Whitney R-1830 Twin Wasp


 

PB2B-1

Mk V

2 Pratt & Whitney R-1830 Twin Wasp


 

PBN-1

Mk VI

2 Pratt & Whitney R-1830 Twin Wasp


 

PB2B-2

 
 
 
 
 
 
 
 
 
 
 
 
 
 
Lycoming O-480
 
Introduced in 1954, the O-480 was a six-cylinder version of the four-cylinder O-320.  This engine remained in production until 1978.
 

Models

GO-480-B: 270 hp (201 kW)

GSO-480-A1A6: 340 hp (254 kW)

GSO-480-B1B6: 340 hp (254 kW)

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The shot above shows the converted four-engine version PBY with the Lycoming O-480 that was capable of carrying sixteen passengers.

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