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Walter Pollux

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Walter Pollux

The Walter Pollux is a Czechoslovakian nine-cylinder, air-cooled, radial engine, built by Walter Aircraft Engines for powering light aircraft and that first ran in 1936. The engine produces 335 kW (450 hp) at 1,800 rpm.

Contents

The first known use was on the Fieseler F 2 Tiger in 1934.

Variants

Pollux II
Direct drive engine
Pollux II-R
Geared engine, reduction ratio 0.666:1

Applications

  • Aero A.204
  • Avia B.122
  • Fieseler F2 Tiger
  • Praga BH-41

    • Engines on display

    A preserved example of the Walter Pollux engine is on display at the following museum:

  • Prague Aviation Museum, Kbely

    • Specifications (Pollux IIR)

    Data from Flight

    General characteristics

  • Type: 9-cylinder radial piston engine
  • Bore: 135 mm (5.3 in)
  • Stroke: 170 mm (6.7 in)
  • Dry weight: 340.6 kg (751 lb)

    • Components

  • Valvetrain: One intake and one exhaust valve per cylinder
  • Fuel system: Carburettor
  • Fuel type: Petrol
  • Cooling system: Air-cooled

    • Performance

  • Power output: 358 kW (480 hp) at 2,070 rpm
  • Compression ratio: 6:1
  • Power-to-weight ratio: 1 kW/kg (0.64 hp/lb)

    • References

    Walter Pollux Wikipedia
    (Text) CC BY-SA