Wright R-1820 Cyclone 9
Historical Wright R-1820 Cyclone 9 family: a nine-cylinder, single-row, air-cooled radial piston engine with 29.88 L displacement. The Smithsonian's GR-1820-G105A reference gives 671 kW (900 hp), while the Cyclone G series reached 746 kW (1,000 hp); the family powered major civil and military aircraft including the DC-3, B-17, and HU-16 and remains distinct from Pratt & Whitney's R-1830 Twin Wasp.
Identity
- Aliases
- CycloneR-1820R-1820 Cyclone 9
- Domains
- aviation
- Identity Level
- family
- Kind
- piston-engine
- Name
- Wright R-1820 Cyclone 9
- Status
- historical
Details
- Description
- Historical Wright R-1820 Cyclone 9 family: a nine-cylinder, single-row, air-cooled radial piston engine with 29.88 L displacement. The Smithsonian's GR-1820-G105A reference gives 671 kW (900 hp), while the Cyclone G series reached 746 kW (1,000 hp); the family powered major civil and military aircraft including the DC-3, B-17, and HU-16 and remains distinct from Pratt & Whitney's R-1830 Twin Wasp.
- Developers
- Manufacturers
- Piston Specs
- Configuration
- single-row radial
- Cylinder Count
- 9
- Displacement L
- 29.88
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 10:59:01 UTC
- Updated Time
- August 15, 2026 at 06:49:24 UTC
Other
- Sources
- Accessed Date
- 2026-08-14
- Note
- Smithsonian National Air and Space Museum identifies the GR-1820-G105A as a nine-cylinder, single-row radial with 29.88 L displacement and 671 kW, describes the Cyclone G-series 746 kW rating, and lists broad DC-3 and military aircraft applications.
- Publisher
- Smithsonian National Air and Space Museum
- Title
- Wright Cyclone GR-1820-G105A
- Accessed Date
- 2026-07-29
- Note
- Supports the canonical Douglas DC-3/C-47 family installation.
- Publisher
- Official vehicle or program source
- Title
- Douglas DC-3 official vehicle reference