Pratt & Whitney R-985
Pratt & Whitney R-985 historical nine-cylinder, air-cooled, supercharged radial piston-engine family with 985 cu in (16.14 L) displacement and up to 450 hp (335.56 kW) across the family. The official source does not establish a single exact dash variant for this identity packet, so variant-specific installations and sibling records remain separate.
Identity
- Aliases
- R-985Pratt & Whitney R-985Wasp Junior
- Domains
- aviation
- Identity Level
- family
- Kind
- piston-engine
- Name
- Pratt & Whitney R-985
- Status
- historical
Details
- Description
- Pratt & Whitney R-985 historical nine-cylinder, air-cooled, supercharged radial piston-engine family with 985 cu in (16.14 L) displacement and up to 450 hp (335.56 kW) across the family. The official source does not establish a single exact dash variant for this identity packet, so variant-specific installations and sibling records remain separate.
- Piston Specs
- Aspiration
- supercharged
- Configuration
- air-cooled radial
- Cylinder Count
- 9
- Displacement L
- 16.14
- Max Power Kw
- 335.56
Links
Assets & Meta
- Creation Time
- August 7, 2026 at 04:37:55 UTC
- Updated Time
- August 22, 2026 at 15:14:00 UTC
Other
- Sources
- Accessed Date
- 2026-08-06
- Note
- Official engine fact sheet establishes the R-985 family, nine-cylinder air-cooled supercharged radial architecture, 985 cu in displacement, and 450 hp upper family rating without proving one dash variant.
- Publisher
- National Museum of the United States Air Force
- Title
- Pratt & Whitney R-985