Fairchild 21
| {{Infobox aircraft begin
| name= KR-21 | image= File:KR-21.jpg | caption= Fairchild KR-21-B of 1930 }}{{Infobox aircraft type | type=Two-seat biplane | national origin=United States | manufacturer=Fairchild Aircraft | designer=Otto C. Koppen | first flight=1928 | introduced= | retired= | status= | primary user= | variants with their own articles= }} |
The Kreider-Reisner KR-21-A is a 1928 American two-seat biplane. It was designed and built by the Kreider-Reisner Aircraft Company of Hagerstown, Maryland.{{Cite web
|title=1930 Kreider-Reisner KR-21B - N954V
|url=http://www.eaa.org/en/eaa-museum/museum-collection/aircraft-collection-folder/1930-kreider-reisner-kr-21b---n954v
|website=EAA
}} Fairchild Aircraft took over Kreider-Reisner in 1929 and continued to build them, as the Fairchild KR-21, later the Fairchild 21.
Design and development
Designed by Fred Seiler Jr., H.L. Puckett states "over 200 were built in 6 different models."{{cite book |last1=Puckett |first1=H.L. |title=Sherman Fairchild's PT-19: Cradle of Heroes |date=1980 |publisher=Flambeau Lith Corporation |pages=10–11}}
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. It was of mixed construction and had a fixed tailwheel landing gear and was fitted with dual controls.
The KR-21-B was a more powerful biplane development, using a 125 bhp Kinner B-5 engine.
Specifications (KR-21)
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References
{{commons category|Fairchild KR-21}}
=Notes=
=Bibliography=
{{refbegin}}
- {{cite book |title= The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985)|publisher= Orbis Publishing}}
{{refend}}
{{Fairchild aircraft}}
Category:1920s United States civil utility aircraft
Category:Single-engined tractor aircraft