Walter Sagitta

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Walter Sagitta IM / I-MR

The Walter Sagitta was an aircraft engine made by the Czechoslovak company Walter Engines as , the first version of which appeared in 1936.

construction

It was an air-cooled twelve-cylinder - four-stroke - V-engine with hanging cylinders made of steel with light metal heads . The cylinder angle was 60 °. The cylinders each had an inlet and an outlet valve . In principle, the engine corresponded to a double Walter Major , which was equipped with a compressor and a reduction gear . The full pressure altitude was 2000 meters. As with the Major, overhead valves and an underneath camshaft were used. The engine was powered by a single Stromberg carburetor. It was used occasionally in the 1930s, including the Fokker D.XXIII and some prototypes such as the Latvian VEF I-16 .

Technical specifications

Front view of the Sagitta I-SR
  • Name: Walter Sagitta I-RC
  • Bore: 118 mm
  • Stroke: 140 mm
  • Displacement: 18.36 l
  • Compression: 5.50: 1
  • Compressor ratio: 7.55: 1
  • Output: 450 hp at 2600 rpm
  • Weight: 370 kg
  • Length: 1.79 m
  • Height: 0.781 m
  • Width: 0.725 m

literature

  • Werner von Langsdorff : Handbook of aviation . Born in 1939. 2nd, unchanged edition. J. F. Lehmann, Munich 1937, p. 532 and 563 .

Web links

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