Pratt & Whitney Wasp series: Difference between revisions
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==Wasp series== |
==Wasp series== |
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'''[[Pratt & Whitney R-985 Wasp Junior|R-985 Wasp Junior]]''' (1930){{sfn|Gunston|1986|p=111}}{{sfn|White|1995|p=201}} |
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* {{cvt|985|cuin|L}} displacement 9-cylinder single row air cooled radial |
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* {{cvt|5+3/16|x|5+3/16|in|mm|0}} bore x stroke |
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'''[[Pratt & Whitney R-1340 Wasp|R-1340 Wasp]]''' (1925){{sfn|Gunston|1986|p=110}}{{sfn|White|1995|p=195}} |
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* {{cvt|1344|cuin|L}} displacement 9-cylinder single row air cooled radial |
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* {{cvt|5+3/4|x|5+3/4|in|mm|0}} bore x stroke |
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'''[[Pratt & Whitney R-1535 Twin Wasp Junior|R-1535 Twin Wasp Junior]]''' (1931){{sfn|White|1995|p=203}} |
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* {{cvt|1535|cuin|L}} displacement 14-cylinder, two row, air cooled radial |
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* {{cvt|5+3/16|x|5+3/16|in|mm|0}} bore x stroke |
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'''[[Pratt & Whitney R-1830 Twin Wasp|R-1830 Twin Wasp]]''' (1931){{sfn|White|1995|p=206}} |
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* {{cvt|1830|cuin|L}} displacement 14-cylinder two row air cooled radial |
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* {{cvt|5+1/2|x|5+1/2|in|mm|0}} bore x stroke |
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'''[[Pratt & Whitney R-2000 Twin Wasp|R-2000 Twin Wasp]]'''{{sfn|White|1995|p=221}} |
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* {{cvt|2000|cuin|L}} displacement 14-cylinder two row air cooled radial, |
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* {{cvt|5+3/4|x|5+1/2|in|mm|0}} bore x stroke |
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'''[[Pratt & Whitney R-2180-E Twin Wasp E|R-2180-E Twin Wasp E]]'''{{sfn|Gunston|1986|p=113}} |
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* {{cvt|2180|cuin|L}} displacement 14-cylinder two row air cooled radial |
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* {{cvt|5+3/4|x|6|in|mm|0}} bore x stroke |
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'''[[Pratt & Whitney R-2800 Double Wasp|R-2800 Double Wasp]]''' (1940){{sfn|Gunston|1986|p=111}}{{sfn|White|1995|p=222}} |
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* {{cvt|2804|cuin|L}} displacement 18-cylinder two row air cooled radial |
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* {{cvt|5+3/4|x|6|in|mm|0}} bore x stroke |
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'''[[Pratt & Whitney R-4360 Wasp Major|R-4360 Wasp Major]]''' (1942){{sfn|Gunston|1986|p=113}}{{sfn|White|1995|p=253}} |
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* {{cvt|4363|cuin|L}} displacement 28-cylinder four row air cooled radial |
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* {{cvt|5+3/4|x|6|in|mm|0}} bore x stroke |
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Note: the designations refer to the [[engine configuration]]s as follows: "R" = [[Radial engine|Radial]], followed by the approximate [[Engine displacement|displacement]] in [[cubic inch]]es. |
Note: the designations refer to the [[engine configuration]]s as follows: "R" = [[Radial engine|Radial]], followed by the approximate [[Engine displacement|displacement]] in [[cubic inch]]es. |
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Revision as of 17:45, 9 June 2024
| Wasp series | |
|---|---|
| R-985, R-1340, R-1535, R-1830, R-2800 and R-4360 | |
| Type | Radial engine |
| National origin | United States |
| Manufacturer | Pratt & Whitney |
The Pratt & Whitney Wasp was the civilian name of a family of air-cooled radial piston engines developed in the 1920s, 1930s and 1940s.[1]
The Pratt & Whitney Aircraft Company (P&W) was founded in 1925 by Frederick B. Rentschler, who had previously been the President of Wright Aeronautical. He brought with him some of Wright's best designers and the new team quickly came up with their first design, the R-1340 Wasp.[1][2] The name "Wasp" was suggested for the first model by Rentschler's wife, Faye.[3][4]
Wasp series
R-985 Wasp Junior (1930)[5][6]
- 985 cu in (16.14 L) displacement 9-cylinder single row air cooled radial
- 5+3⁄16 in × 5+3⁄16 in (132 mm × 132 mm) bore x stroke
R-1340 Wasp (1925)[7][8]
- 1,344 cu in (22.02 L) displacement 9-cylinder single row air cooled radial
- 5+3⁄4 in × 5+3⁄4 in (146 mm × 146 mm) bore x stroke
R-1535 Twin Wasp Junior (1931)[9]
- 1,535 cu in (25.15 L) displacement 14-cylinder, two row, air cooled radial
- 5+3⁄16 in × 5+3⁄16 in (132 mm × 132 mm) bore x stroke
R-1830 Twin Wasp (1931)[10]
- 1,830 cu in (30.0 L) displacement 14-cylinder two row air cooled radial
- 5+1⁄2 in × 5+1⁄2 in (140 mm × 140 mm) bore x stroke
- 2,000 cu in (33 L) displacement 14-cylinder two row air cooled radial,
- 5+3⁄4 in × 5+1⁄2 in (146 mm × 140 mm) bore x stroke
- 2,180 cu in (35.7 L) displacement 14-cylinder two row air cooled radial
- 5+3⁄4 in × 6 in (146 mm × 152 mm) bore x stroke
R-2800 Double Wasp (1940)[5][13]
- 2,804 cu in (45.95 L) displacement 18-cylinder two row air cooled radial
- 5+3⁄4 in × 6 in (146 mm × 152 mm) bore x stroke
R-4360 Wasp Major (1942)[12][14]
- 4,363 cu in (71.50 L) displacement 28-cylinder four row air cooled radial
- 5+3⁄4 in × 6 in (146 mm × 152 mm) bore x stroke
Note: the designations refer to the engine configurations as follows: "R" = Radial, followed by the approximate displacement in cubic inches.
See also
Related development
Comparable engines
Related lists
References
Notes
- ^ a b Gunston 1986, pp. 109–113.
- ^ White 1995, pp. 195–198.
- ^ The Pratt & Whitney Aircraft Story 1950, p. 41.
- ^ Sullivan 2008, p. 8.
- ^ a b Gunston 1986, p. 111.
- ^ White 1995, p. 201.
- ^ Gunston 1986, p. 110.
- ^ White 1995, p. 195.
- ^ White 1995, p. 203.
- ^ White 1995, p. 206.
- ^ White 1995, p. 221.
- ^ a b Gunston 1986, p. 113.
- ^ White 1995, p. 222.
- ^ White 1995, p. 253.
Bibliography
- Gunston, Bill (1986). World Encyclopedia of Aero Engines. Wellingborough, Northamptonshire: Patrick Stephens Limited. ISBN 0-85059-717-X.
- Sullivan, Mark P. (2008). Dependable Engines: The Story of Pratt & Whitney. Reston, Virginia: American Institute of Aeronautics and Astronautics, Inc. ISBN 978-1-56347-957-1.
- The Pratt & Whitney Aircraft Story. East Hartford, Connecticut: Pratt & Whitney Aircraft. 1950.
- White, Graham (1995). Allied Aircraft Piston Engines of World War II. Warrendale, Pennsylvania: Society of Automotive Engineers, Inc. ISBN 1-56091-655-9.