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Pratt & Whitney R-1830 Twin Wasp

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R-1830 Twin Wasp
An R-1830 used in a B-24 Liberator restoration project
Type Radial engine
National origin United States
Manufacturer Pratt & Whitney
First run 1932
Major applications Consolidated B-24 Liberator
Douglas C-47 Skytrain
Grumman F4F Wildcat
Consolidated PBY Catalina
Variants Pratt & Whitney R-2000 Twin Wasp

The Pratt & Whitney R-1830 Twin Wasp was an American aircraft engine widely used in the 1930s and 1940s. Produced by Pratt & Whitney, it was a two-row, 14-cylinder, air-cooled radial design. It displaced 1,830 in³ (30 L) and its bore and stroke measured 5.5 and 5.5 in (140 and 140 mm), respectively. A total of 173,618 R-1830 engines were built.[1] An enlarged version with a slightly higher power rating was produced as the R-2000.

Variants

  • R-1830-1 - 800 hp (597 kW)
  • R-1830-9 - 850 hp (634 kW), 950 hp (708 kW)
  • R-1830-11 - 800 hp (597 kW)
  • R-1830-13 - 600 hp (447 kW), 900 hp (671 kW), 950 hp (708 kW), 1,050 hp (783 kW)
  • R-1830-17 - 1,200 hp (895 kW)
  • R-1830-21 - 1,200 hp (895 kW)
  • R-1830-25 - 1,100 hp (820 kW)
  • R-1830-33 - 1,200 hp (895 kW)
  • R-1830-35 - 1,200 hp (895 kW) Fitted with GE B-2 turbosupercharger
  • R-1830-41 - 1,200 hp (895 kW) Fitted with GE B-2 turbosupercharger
  • R-1830-43 - 1,200 hp (895 kW)
  • R-1830-45 - 1,050 hp (783 kW)
  • R-1830-49 - 1,200 hp (895 kW)
  • R-1830-49 - 1,200 hp (895 kW)
  • R-1830-64 - 850 hp (634 kW), 900 hp (671 kW)
  • R-1830-65 - 1,200 hp (895 kW)
  • R-1830-66 - 1,000 hp (746 kW), 1,050 hp (783 kW), 1,200 hp (895 kW)
  • R-1830-72 - 1,050 hp (783 kW)
  • R-1830-82 - 1,200 hp (895 kW)
  • R-1830-86 - 1,200 hp (895 kW)
  • R-1830-88 - 1,200 hp (895 kW)
  • R-1830-90 - 1,200 hp (895 kW)
  • R-1830-90-B - 1,200 hp (895 kW)
  • R-1830-92 - 1,200 hp (895 kW)
  • R-1830-94 - 1,650 hp (1,007 kW)
  • R-1830-S1C3-G - 1,050 hp (783 kW), 1,200 hp (895 kW)
  • R-1830-S3C4 - 1,200 hp (895 kW)
  • R-1830-S3C4-G - 1,200 hp (895 kW)
  • R-1830-S6C3-G - 1,100 hp (820 kW)
  • R-1830-SC-G - 900 hp (671 kW)
  • R-1830-SC2-G - 900 hp (671 kW), 1,050 hp (783 kW)
  • R-1830-SC3-G - 1,065 hp (749 kW) Swedish unit built under license by SFA company for Finnish VL Myrsky II

Applications

R-1830 mounted on the left wing of an ex-military Douglas C-47

Specifications (R-1830-S1C-G)

Pratt & Whitney R-1830 "Twin Wasp" (sectioned)

Data from [2]

General characteristics

  • Type: Fourteen-cylinder two-row supercharged air-cooled radial engine
  • Bore: 5.5 in (139.7 mm)
  • Stroke: 5.5 in (139.7 mm)
  • Displacement: 1,829.4 in³ (30 l)
  • Length: 59.06 in (1,500 mm)
  • Diameter: 48.03 in (1,220 mm)
  • Dry weight: 1,250 lb (567 kg)

Components

Performance

See also

Related development

Comparable engines

Related lists

References

  1. ^ Pratt & Whitney - R-1830 page Retrieved: 25 October 2008
  2. ^ Tsygulev (1939). Aviacionnye motory voennykh vozdushnykh sil inostrannykh gosudarstv ([[Russian language|Russian]]: Авиационные моторы военных воздушных сил иностранных государств[[Category:Articles containing Russian-language text]]). Moscow: Gosudarstvennoe voennoe izdatelstvo Narkomata Oborony Soyuza SSR. {{cite book}}: URL–wikilink conflict (help)
  • Angelucci, Enzo (1988, Revised Edition 2006). Complete Book of World War II Combat Aircraft. VMB Publishers. ISBN 978-88-540-0829-8. {{cite book}}: Check date values in: |year= (help)
  • Bridgman, Leonard, ed. Jane's All The World's Aircraft 1951–1952. London: Samson Low, Marston & Company, Ltd 1951.

External links

Wikimedia Commons has media related to Pratt & Whitney R-1830.
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