| Spartan C4 | |
|---|---|
| |
| Role | Four-seat cabin monoplane |
| National origin | United States |
| Manufacturer | Spartan Aircraft Company |
| First flight | 1930 |
| Number built | 7 |
| Developed into | Spartan C5 |
The Spartan C4 was an American four-seat cabin monoplane designed and built by the Spartan Aircraft Company.[1]
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Transcription
Design and development
The first model was the C4-225 a high-wing braced monoplane powered by a 225 hp (168 kW) Wright J-6 radial engine.[1] Only five C4-235 aircraft were built and they were followed by one C4-300 with a 300 hp (220 kW) Wright R-975 radial engine, and the C4-301 with a 300 hp (220 kW) Pratt & Whitney Wasp Junior.[1]
Variants
- C4-225
- Production aircraft powered by a 225 hp (168 kW) Wright J-6 radial engine, five built.[1]
- C4-300
- Variant with a 300 hp (220 kW) Wright R-975 radial engine, one built.[1]
- C4-301
- Variant with a 300 hp (220 kW) Pratt & Whitney Wasp Junior radial engine, one built.[1]
Specifications (C4-225)
Data from Jane's all the World's Aircraft 1931[2]
General characteristics
- Crew: One or Two
- Capacity: 2 or 3 passengers, (four seats total)
- Length: 50 ft (15 m)
- Wingspan: 32 ft 3.75 in (9.8489 m)
- Height: 9 ft (2.7 m)
- Wing area: 299 sq ft (27.8 m2)
- Empty weight: 2,325 lb (1,055 kg)
- Gross weight: 3,515 lb (1,594 kg)
- Fuel capacity: 85 US gal (320 L; 71 imp gal) in two wing tanks;
- Oil capacity: 6 US gal (23 L; 5.0 imp gal)
- Powerplant: 1 × Wright J-6 9-cylinder air-cooled radial piston engine, 240 hp (180 kW)
- Propellers: 2-bladed fixed pitch steel propeller
Performance
- Maximum speed: 129.7 mph (208.7 km/h, 112.7 kn)
- Cruise speed: 109 mph (175 km/h, 95 kn)
- Landing speed: 51 mph (82 km/h)
- Service ceiling: 15,000 ft (4,600 m) service
- Rate of climb: 905 ft/min (4.60 m/s) initial
- Wing loading: 11.7 lb/sq ft (57 kg/m2)
- Power/mass: 14.65 lb/hp (8.91 kg/kW)
See also
Related development
References
Wikimedia Commons has media related to Spartan C4.
Notes
Bibliography
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions.
- The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
This page was last edited on 11 January 2022, at 11:59