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United States' Lockheed C-56 Lodestar, C-60 Lodestar transport

Photos

Lockheed C-57 Lodestar transport:
United States' Lockheed C-57 Lodestar transport
Aeronautics Aircraft Spotters' Handbook
Lockheed C-57 Lodestar transport:
United States' Lockheed C-57 Lodestar transport
Aeronautics Aircraft Spotters' Handbook
Lockheed Lodestar transport:
United States' Lockheed Lodestar transport

Design

The Lockheed Lodestar was developed from the Model 14 Super Electra and Hudson series. Initially produced as a civilian transport.

Most airlines were going to buy the Douglas DC-3. There were 96 orders for export purchases. When the war started it was decided to be used by the military.

Prototype

The Lodestar prototype first flew on September 21, 1939.

The United States military ordered four planes in May 1941. In 1942 an order was placed for 325 C-60 Lodestars.

Production

  • Lockheed C-56: 1
  • Lockheed C-57: 13
  • Lockheed C-60A: 325
  • Lockheed R50-4: 12
  • Lockheed R50-5: 41
  • Lockheed R50-6: 35
  • Total: 625

Variants

  • Lockheed C-56: US Army. Cyclone engines.
  • Lockheed C-57: US Army. Twin Wasp engines.
  • Lockheed C-59 / Lodestar Mk I: US Army.
  • Lockheed C-60 / Lodestar Mk II: US Army.
  • Lockheed C-60A: Major production version. Cyclone engines.
  • Lockheed C-66:
  • Lockheed C-111:
  • Lockheed R50: US Navy.
  • Lockheed R50-1: US Navy.
  • Lockheed R50-2: US Navy.
  • Lockheed R50-3: US Navy.
  • Lockheed R50-4: US Navy.
  • Lockheed R50-5: US Navy.
  • Lockheed R50-6: US Navy.

Usage

The Lodestar was used by Australia, Britain, Netherlands, South Africa, and the United States.

Start of World War II

The civilian versions of the Lodestar were requisitioned after the start of World War II.

Britain

The Royal Air Force (RAF) used the Lodestar in four squadrons operating in the Middle East. They were used as transport and air ambulances.

Specifications

  Lockheed Lodestar
Type Transport
Crew  
Passengers 18: fully armed troops
OR 22: standard passengers
Payload 5,000 lb
Engine (Type) 2: Pratt & Whitney Twin Wasp
2: Pratt & Whitney R-1690 Hornet
OR 2: Wright R-1820 Cyclone
OR 2: Pratt & Whitney R-1830 Twin Wasp
Cylinders Cyclone: Radial 9
Wasp: Radial 14
Cooling  
HP Hornet: 850 - 875 each
Cyclone: 1,100 - 1,200 each
Wasp: 1,050 each, 1,200 each
Propeller blades 3 each
Capacity  
Dimensions  
Span 65' 6"
19.96 m
Length 49' 9", 49' 10"
15.19 m
Height 11' 10"
3.61 m
Wing area  
Weight  
Empty  
Loaded  
Performance  
Speed 275 mph
Cruising speed  
Climb  
Service ceiling  
Range 1,700 miles
  Lockheed C-56 Lodestar
Type Transport
Crew 2 - 3
Passengers 17
Payload  
Engine (Type) 2: Wright R-1820-71 Cyclone
Cylinders Radial 9
Cooling Air
HP 1,200 each
Propeller blades  
Capacity  
Dimensions  
Span 65' 6"
Length 49' 10"
Height 11' 1"
Wing area  
Weight  
Empty  
Loaded 17,500 lb
Performance  
Speed 253 mph
Cruising speed  
Climb  
Service ceiling 23,300'
Range 1,600 miles
  Lockheed C-60A
Type Transport
Crew  
Passengers 18: paratroopers
Payload  
Engine (Type)  
Cylinders  
Cooling  
HP  
Propeller blades  
Capacity  
Dimensions  
Span  
Length  
Height  
Wing area  
Weight  
Empty 12,075 lb
5,477 kg
Loaded 18,500 lb
5,639 kg
Performance  
Speed  
Speed @ 17,000' /
5,180 m
266 mph
428 kph
Cruising speed 200 mph
322 kph
Climb to 10,000 ' /
3,048 m
6.6 minutes
Service ceiling 30,000'
9,144 m
Range 1,660 miles
2,671 km

Sources:

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