Pratt & Whitney Wasp S1H1-G
A geared, supercharged R-1340 Wasp variant installed on the Boeing 247-D and other interwar and postwar aircraft.
Identity
- Aliases
- Wasp S1H1-GR-1340-S1H1-GPratt & Whitney R-1340-S1H1-G
- Domains
- aviation
- Identity Level
- variant
- Kind
- piston-engine
- Name
- Pratt & Whitney Wasp S1H1-G
- Status
- active
Details
- Description
- A geared, supercharged R-1340 Wasp variant installed on the Boeing 247-D and other interwar and postwar aircraft.
- Developers
- Family
- Manufacturers
- Piston Specs
- Aspiration
- supercharged
- Configuration
- single-row radial
- Cylinder Count
- 9
- Displacement L
- 22.2
- Max Power Kw
- 410
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 22:25:47 UTC
- Updated Time
- July 29, 2026 at 22:26:41 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Note
- Places Wasp S1H1-G explicitly within the Pratt & Whitney R-1340 series under engine type certificate E-129.
- Publisher
- Federal Aviation Administration
- Title
- Airworthiness Directive 99-11-02 — Pratt & Whitney R-1340 Series
- Accessed Date
- 2026-07-29
- Note
- Identifies the Boeing 247-D installation as two Pratt & Whitney Wasp S1H1-G engines rated at 550 horsepower each.
- Publisher
- Smithsonian National Air and Space Museum
- Title
- Boeing 247-D