Fairchild 21

The Kreider-Reisner KR-21-A was a 1928 American two-seat biplane. It was designed and built by the Kreider-Reisner Aircraft Company of Hagerstown, Maryland.[1] Fairchild Aircraft took over Kreider-Reisner in 1929 and continued to build them, as the Fairchild KR-21, later the Fairchild 21.[2][3]

KR-21
Fairchild KR-21-B of 1930
Role Two-seat biplane
National origin United States
Manufacturer Fairchild Aircraft
Designer Otto C. Koppen
First flight 1928

Design and development

The KR-21-A was a wire braced biplane with two open tandem cockpits and powered by a 100 hp (60 kW) Kinner K-5 radial piston engine.[2] It was of mixed construction and had a fixed tailwheel landing gear and was fitted with dual controls.[2]

The KR-21-B was a more powerful biplane development, using a 125 bhp Kinner B-5 engine.[1]



Specifications (KR-21)

Data from [2]

General characteristics

  • Crew: 2
  • Length: 21 ft 6 in (6.55 m)
  • Wingspan: 28 ft 3 in (8.61 m)
  • Wing area: 139 sq ft (12.9 m2)
  • Empty weight: 755 lb (342 kg)
  • Max takeoff weight: 1,250 lb (567 kg)
  • Powerplant: 1 × Kinner K-5 5-cylinder radial piston engine, 90 hp (67 kW)

Performance

  • Maximum speed: 105 mph (169 km/h, 91 kn)
  • Cruise speed: 90 mph (140 km/h, 78 kn)
  • Range: 425 mi (684 km, 369 nmi)
  • Service ceiling: 9,440 ft (2,880 m)

References
Wikimedia Commons has media related to Fairchild KR-21.

Notes
  1. "1930 Kreider-Reisner KR-21B - N954V". EAA.
  2. Orbis 1985, p. 1640
  3. "American airplanes – Cessna". www.aerofiles.com. 4 April 2009. Retrieved 2009-12-29.

Bibliography
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985). Orbis Publishing.
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