Siemens-Halske Sh 22

Last updated
Sh 22
Type Radial engine
National origin Germany
Manufacturer Siemens-Halske
First run1930
Developed fromSiemens-Halske Sh.21
Developed into Bramo 323

The Siemens-Halske Sh 22 (also known as SAM 22) was a nine-cylinder aircraft radial engine manufactured by Siemens & Halske in Germany in the 1930s. Following the reorganization of its manufacturer and change in military nomenclature, the engine became known as the Bramo 322.

Contents

It was a result of a series of modifications to the original Bristol Jupiter IV design, which Siemens licensed in 1929. The first modifications were to "Germanize" the dimensions, producing the Sh.20 and Sh.21. The design was then bored out to produce the 950 hp (708 kW) Sh.22 in 1930. Like the Jupiter, the Sh.22 featured a rather "old" looking arrangement with rather prominent valve pushrods on the front of the engine. In the mid-1930s the Reich Air Ministry (RLM) rationalized engine naming, and Bramo was given the 300-block of numbers, the Sh.14 and Sh.22 becoming the Bramo 314 and 322 respectively. The 322 never matured and remained unreliable. It became a base for the more successful Bramo 323.

Applications

Specifications (Bramo 322H-2)

Data fromAviacionnye motory voennykh vozdushnykh sil inostrannykh gosudarstv, [1] Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944 [2]

General characteristics

506 kg (1,116 lb) wet, equipped

Components

Performance

  • 650 PS (641 hp; 478 kW) at 2,150 rpm (5 minutes) at sea level
  • 585 PS (577 hp; 430 kW) at 2,080 rpm (30 minutes) at sea level
  • 520 PS (513 hp; 382 kW) at 2,000 rpm (max. continuous / cruise) at sea level

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References

  1. Tsygulev (1939). Aviacionnye motory voennykh vozdushnykh sil inostrannykh gosudarstv (Авиационные моторы военных воздушных сил иностранных государств) (in Russian). Moscow: Gosudarstvennoe voennoe izdatelstvo Narkomata Oborony Soyuza SSR. Archived from the original on 2009-03-24.
  2. Schneider, Helmut (Dipl.Ing.) (1944). Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944 (in German) (Facsimile reprint 1986 ed.). Leipzig: Herm. Beyer Verlag. p. 377. ISBN   381120484X.