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Wright R-1820 Cyclone 9

The Engine Specifications
 
The name Cyclone was first used by Wright for their P-2 radial engine in 1925.  The R-1820 was a improved version of the P-2 with higher displacement.  The R-1820 was introduced in 1931.

The R-1820 remained in production through the 1950s by Lycoming and Canadian Pratt & Whitney.

9 cylinder, air-cooled, radial
displacement: 1,823 cubic inches (29.9 liters)
bore x stoke: 6.125 x 6.875 inches

 

 
Models Used by
 
R-1820B: 575 hp
R-1820-22: 950 hp (708 kW)
R-1820-33: 775 hp (578 kW)
R-1820-39: 930 hp (693 kW)
R-1820-45: 930 hp (693 kW)
R-1820-51: 1,000 hp (745 kW) w/turbocharger
R-1820-53: 1,000 hp (745 kW) w/turbocharger
R-1820-54: 900 hp (671 kW)
R-1820-65: 1,200 hp (895 kW) w/turbocharger
R-1820-66: 1,350 hp (1007 kW)
R-1820-76A: 1,425 hp (1063 kW)
R-1820-77: 870 hp (649 kW)
R-1820-80: 1,495 hp (1100 kW)
R-1820-82WA: 1,525 hp (1137 kW)
R-1820-84: 1,425 hp (1063 kW)
R-1820-86: 1,425 hp (1063 kW)
R-1820-87: 1,200 hp (895 kW)
R-1820-97: 1,200 hp (895 kW) w/turbocharger
R-1820-103: 1,425 hp (1063 kW)
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Related Pages
 
More about Wright Aeronautical
 

page updated 30 July 2003

 

 

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Kenneth W Shanaberger 2000 - 2010