Data on manufacture and type

Manufacturer: Wright Aeronautical Division, Curtiss-Wright Corporation

Powerplant type: Reciprocating

Powerplant Ratings

Provided powerplant data is for uninstalled, sea level, static operations.

Normal Ratings
Max continuous: 951 kW 1275 hp
Take-off / rated: 1063 kW 1425 hp
OEI Ratings
OEI contingency:  
OEI continuous:  
OEI 30-second:  
OEI intermediate:  


References and sources used

Maintenance Instructions Handbook for YH-21, H-21A, H-21B and H-21C
No stated author
T.O. No. 1H-21(Y)-2, 15 Jun 1954 (page 149)
Report or Technical Manual
Revision date 15 Aug 1955

Piasecki Helicopter Corporation
No author stated
Journal of the American Helicopter Society Vol. 1, No. 1, Jan 1956 (page 33)

Aircraft using the Wright R-1820-103