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BMW X (engine)

1920s German aircraft piston engine

1920s German aircraft piston engine

FieldValue
nameBMW X
imageFile:BMW X Flugwerft Schleissheim.jpg
captionBMW X at the Deutsches Museum Flugwerft Schleissheim
engine_typeRadial engine
manufacturerBMW
first_run1927

The BMW X is a small five-cylinder radial engine for sport and training aircraft. Although this engine proved successful at several large-scale events in 1930, including that year's round-Europe flight, only a few were built.

The successor model to the BMW X five-cylinder radial engine, the BMW Xa, was introduced in 1931, with the swept volume increased from 2.2 L to 2.9 L. Power output went up from 50 to. The Xa was also not built in any quantity and was mainly installed in training and sport aircraft.

Variants

;X:Bore:83 mm, Stroke:80 mm ;Xa:Bore:90 mm, Stroke:92.5 mm

Applications

  • BFW M.23
  • BFW M.31
  • Gerner G.IIR
  • Klemm L25

Specifications (BMW Xa)

and start a new, fully-formatted line with --

:*68 PS at 2,300 rpm (15 minutes) at sea level :*60 PS at 1,590 rpm (30 minutes) at sea level :*54 PS at 1,980 rpm (max continuous) at sea level :*40 PS at 1,980 rpm (max continuous) at 3500 m |power/weight=0.74 PS/kg

References

References

  1. (1989). "World encyclopaedia of aero engines". P. Stephens.
  2. (1931). "Jane's all the World's Aircraft 1931". Sampson Low, Marston & company, ltd.
  3. Schneider, Helmut (Dipl.Ing.). (1944). "Flugzeug-Typenbuch. Handbuch der deutschen Luftfahrt- und Zubehör-Industrie 1944". Herm. Beyer Verlag.
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