| Loening R-4 | |
|---|---|
 | |
| Loening R-4 in 1922 | |
| Role | Racing |
| National origin | United States |
| Manufacturer | Loening |
| First flight | 10 January 1922 |
| Primary user | US Army Air Service |
| Number built | 2 |
The Loening R-4 was a racer aircraft built by Loening in the early 1920s.
Design
The R-4 featured a low-wing monoplane layout, and the Packard engine weighed three times the size of the aircraft and took up a quarter length of the R-4, nicknamed the "flying engine". Both R-4 racers (AS68559 and AS68560) were entered in the 1922 Pulitzer Trophy race with poor results, being reported as "almost total flops".
Operators
Specifications
Data from ,[1] Airwar : Loening R-4[2]
General characteristics
- Crew: 1
- Length: 7.16 m (23 ft 6 in)
- Wingspan: 8.20 m (26 ft 11 in)
- Gross weight: 1,383 kg (3,050 lb)
- Powerplant: 1 × Packard 1A-2025 V-12 water-cooled piston engine, 450 kW (600 hp)
- Propellers: 2-bladed fixed pitch propeller
Performance
- Maximum speed: 270 km/h (170 mph, 150 kn)
References
- ↑ Parmentier, Bruno. "Loening R-4". aerofiles.com. Retrieved 26 February 2019.
- ↑ "Loening R-4" (in Russian). Airwar.ru. Retrieved 2019-02-26.
- Foxworth, Thomas (1989). The Speed Seekers. Somerset: Haynes Publishing. ISBN 0854297669.
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