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The Curtiss Model 55 Kingbird was an airliner built in small numbers in the United States in the early 1930s. It was a twin-engine aircraft with a fuselage derived from the single-engine Curtiss Thrush. The Kingbird mounted two engine nacelles in the struts on either side of the fuselage that braced the wing and the outrigger undercarriage. A distinctive design feature was the aircraft's blunt nose, located behind the propeller arcs. This allowed the engines to be mounted closer to each other and to the aircraft's centerline, therefore minimising asymmetrical thrust in case of an engine failure. For the same reason, the Thrush's single tailfin was replaced by twin tails on the Kingbird, and the main production model, the D-2 fitted a second horizontal stabilizer and elevator between these fins.
Eastern Air Transport was to be the Kingbird's main operator, flying 14 of them for a few years. The United States Marine Corps also purchased an example, first designating it JC-1, then RC-1 and using it as an air ambulance.
[edit] Variants
- Kingbird C - prototype converted from a Curtiss Thrush (1 converted)
- Kingbird G-1 - prototype (1 converted from Kingbird C)
- Kingbird G-2 - prototype (1 built)
- Kingbird G-3 - prototype (1 built)
- Kingbird J-1 - prototype (1 converted from G-1)
- Kingbird J-2 - prototype (1 converted from G-3)
- Kingbird J-3 - mailplane prototype (1 converted from G-2)
- Kingbird D-1 - prototype (1 converted from J-2)
- Kingbird D-2 - production version (15 built, 3 converted from prototypes)
- Kingbird D-3 - one-off Curtiss executive transport (1 converted from Thrush)
[edit] Specifications (D-2)
General characteristics
- Crew: One pilot
- Capacity: 7 passengers
- Length: 24 ft 10 in (10.62 m)
- Wingspan: 54 ft 6 in (16.62 m)
- Powerplant: 2 × Wright J-6-9, 300 hp (224 kW) each
Performance
- Maximum speed: 142 mph (229 km/h)
- Range: 455 miles (732 km)
- Service ceiling: 16,000 ft (4,880 m)
[edit] References
[edit] See also
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USN/USMC transport designations 1931-1962 |
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