Pratt & Whitney R-1830-94
Exact Pratt & Whitney R-1830-94 Twin Wasp piston-engine variant. NASA’s flight investigation identifies it as a 14-cylinder, air-cooled, double-row radial engine rated at 1,100 hp normal power and 1,350 hp takeoff power; this record preserves the exact variant without inferring an aircraft installation or additional lineage edge.
Identity
- Aliases
- R-1830-94Pratt & Whitney R-1830-94Twin Wasp R-1830-94
- Domains
- aviation
- Identity Level
- variant
- Kind
- piston-engine
- Name
- Pratt & Whitney R-1830-94
- Status
- retired
Details
- Description
- Exact Pratt & Whitney R-1830-94 Twin Wasp piston-engine variant. NASA’s flight investigation identifies it as a 14-cylinder, air-cooled, double-row radial engine rated at 1,100 hp normal power and 1,350 hp takeoff power; this record preserves the exact variant without inferring an aircraft installation or additional lineage edge.
- Developers
- Family
- Manufacturers
- Piston Specs
- Configuration
- air-cooled double-row radial
- Cylinder Count
- 14
- Max Power Kw
- 1,007
Links
Assets & Meta
- Creation Time
- August 6, 2026 at 20:35:16 UTC
- Updated Time
- August 22, 2026 at 15:08:59 UTC
Other
- Sources
- Accessed Date
- 2026-08-06
- Note
- Official manufacturer history establishes the R-1830 Twin Wasp as a major 1930s piston-engine family, with more than 170,000 produced and extensive B-24 use.
- Publisher
- Pratt & Whitney
- Title
- Pratt & Whitney engines on B-24 as dependable now as they were 70 years ago
- Accessed Date
- 2026-08-06
- Note
- NASA technical report explicitly identifies the R-1830-94 test engine and documents its 1,100 hp normal and 1,350 hp takeoff ratings, bounding this exact variant separately from R-1830-S4 and R-1830-90C.
- Publisher
- NASA Technical Reports Server
- Title
- Flight investigation of the R-1830-94 engine