Loening R-4

The Loening R-4 was a racer aircraft built by Loening in the early 1920s.

R-4
Role Racing
National origin United States
Manufacturer Loening
First flight 10 January 1922
Primary user US Army Air Service
Number built 2

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
 United States

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)
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References
  1. Parmentier, Bruno. "Loening R-4". aerofiles.com. Retrieved 26 February 2019.
  2. "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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