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At a glance
Measured figures
CV-240 · Length
Single source74 ft 8 in (22.76 m)[source]
C-47B-DK · Length
Single sourceConfiguration
| Specification | Convair CV-240 family | Douglas C-47 Skytrain |
|---|---|---|
| Type | Airliner[source] | Military transport aircraft[source] |
| Manufacturer | Convair[source] | Douglas Aircraft Company[source] |
| Status | In limited service[source] | In service[source] |
| Primary users | American Airlines (historical) Zantop International Airlines (historical), Air Chathams (historical)[source] |
63 ft 9 in (19.43 m)[source]
Empty; CV-240 · Empty weight
Single sourceEmpty; CV-240 · revised
Single sourceGross; CV-240 · Gross weight
Single sourceGross; CV-240 · revised
Single source25,445 lb (11,542 kg) (revised 29,500 lb (13,381 kg))[source]
40,500 lb (18,370 kg) (revised 42,500 lb (19,278 kg))[source]
Empty; C-47B-DK · Empty weight
Single sourceGross; C-47B-DK · Gross weight
Single sourceCV-240 · 2 × Pratt & Whitney R-2800-CA3 Double Wasp / CA15 / CA18 / CB3 or CB16 18-cyl air-cooled radial engines each
Single source2 × Pratt & Whitney R-2800-CA3 Double Wasp / CA15 / CA18 / CB3 or CB16 18-cyl air-cooled radial engines , 2,400 hp (1,800 kW) each[source]
C-47B-DK · 2 × Pratt & Whitney R-1830-90C Twin Wasp 14-cylinder air-cooled radial piston engines takeoff rating
Single sourceC-47B-DK · normal rating at 14,500 ft (4,400 m)
Single source2 × Pratt & Whitney R-1830-90C Twin Wasp 14-cylinder air-cooled radial piston engines 1,200 hp (890 kW) takeoff rating 1,000 hp (750 kW) normal rating at 14,500 ft (4,400 m)[source]
CV-240 · 1,520 ft/min (
Single source1,520 ft/min (7.7 m/s)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
United States Army Air Forces Royal Air Force United States Navy Royal Canadian Air Force See operators[source] |
| Number built | 1,076 (Convair) 10 (Canadair) 1,086 (total)[source] | 10,174[source] |
|---|
| Manufactured | 1947–1954[source] | — |
|---|
| Introduction date | February 29, 1948 with American Airlines[source] | — |
|---|
| First flight | March 16, 1947[source] | 23 December 1941 ( 1941-12-23 )[source] |
|---|
| Variants | Convair C-131 Samaritan Canadair CC-109 Cosmopolitan[source] | Douglas XCG-17 Douglas AC-47 Spooky Douglas R4D-8[source] |
|---|
| Capacity | 40[source] | 28 troops or 6,000 lb (2,700 kg) of cargo[source] |
|---|
| Fuel capacity | 1,000 US gal (3,785.41 L; 832.67 imp gal) - 1,550 US gal (5,867.39 L; 1,290.64 imp gal)[source] | — |
|---|
| Propellers | 3-bladed Hamilton Standard or Curtiss reversible pitch[source] | 3-bladed constant-speed propellers[source] |
|---|
| National origin | United States[source] | United States[source] |
|---|
| Developed from | — | Douglas DC-3[source] |
|---|
| Airfoil | — | root: NACA 2215 ; tip: NACA 2206[source] |
|---|
| Time to altitude | — | 10,000 ft (3,000 m) in 9 minutes 30 seconds[source] |
|---|
| Wing loading | — | 26.3 lb/sq ft (128 kg/m 2 )[source] |
|---|
| Power/mass | — | 0.0926 hp/lb (0.1522 kW/kg)[source] |
|---|
| Reported operators | — |
|
|---|
Maximum take-off; C-47B-DK · Max takeoff weight
Single source