Pratt & Whitney R-1830 Twin Wasp
Historical Pratt & Whitney R-1830 Twin Wasp family: a 14-cylinder, two-row, air-cooled radial piston engine with 32.8 L displacement and up to 1,007 kW (1,350 shp) in the Smithsonian's R-1830-43 reference. Pratt & Whitney records broad single- and two-stage supercharger development and 173,618 engines produced across 89 military and commercial aircraft types; this family remains distinct from the Wright R-1820 Cyclone.
Identity
- Aliases
- Twin WaspR-1830R-1830 Twin Wasp
- Domains
- aviation
- Identity Level
- family
- Kind
- piston-engine
- Name
- Pratt & Whitney R-1830 Twin Wasp
- Status
- historical
Details
- Description
- Historical Pratt & Whitney R-1830 Twin Wasp family: a 14-cylinder, two-row, air-cooled radial piston engine with 32.8 L displacement and up to 1,007 kW (1,350 shp) in the Smithsonian's R-1830-43 reference. Pratt & Whitney records broad single- and two-stage supercharger development and 173,618 engines produced across 89 military and commercial aircraft types; this family remains distinct from the Wright R-1820 Cyclone.
- Developers
- Manufacturers
- Piston Specs
- Aspiration
- naturally aspirated or supercharged, depending on variant
- Configuration
- two-row radial
- Cylinder Count
- 14
- Displacement L
- 32.8
- Max Power Kw
- 1,007
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 07:56:46 UTC
- Updated Time
- August 15, 2026 at 06:48:00 UTC
Other
- Sources
- Accessed Date
- 2026-08-14
- Note
- Smithsonian National Air and Space Museum identifies the R-1830-43 as a 14-cylinder, two-row radial with 32.8 L displacement, up to 1,007 kW, broad supercharger development, and 173,618 engines produced across 89 aircraft types.
- Publisher
- Smithsonian National Air and Space Museum
- Title
- Pratt & Whitney Twin Wasp R-1830-43
- 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