WSK SO-3

SO-1/SO-3
SO-3W engine on display at the Polish Aviation Museum
Type Turbojet
National origin Poland
Manufacturer WSK PZL Rzeszów
First run November 1948
Major applications PZL TS-11 Iskra
Number built 580

The WSK SO-1 and WSK-SO-3 are Polish turbojet engines designed by the Instytut Lotnictwa (Institute of Aeronautics ) and manufactured by WSK PZL Rzeszów, to power the PZL TS-11 Iskra jet trainer. Thirty SO-1s were built, this being superseded by the improved SO-3, of which a further 580 were built.[1] The engine has a seven-stage compressor, annular combustion chambers, and a single-stage turbine.

Variants

SO-1
Original production. Overhaul life 200 hours.[2]
SO-3
Improved version of SO-3, intended for tropical use. Modified compressor, combustion chamber and turbine.[2] Overhaul life 400 hours.[3]
SO-3W22
Modified version for PZL I-22 Iryda, 10.79 kN (2,425 lbf) rating, renamed PZL-5.[4]

Applications

Specifications (SO-3)

Compressor intake

Data from Jane's All The World's Aircraft 1988-89.[2]

General characteristics

  • Type: Turbojet
  • Length: 2,157 mm (84.7 in)
  • Diameter: 707 mm (27.8 in) width, 764 mm (30.1 in) height
  • Dry weight: 321 kg (708 lb)

Components

Performance

See also

Comparable engines

Related lists

References

  1. ↑ Lambert 1993, p.630.
  2. 1 2 3 Taylor 1988, p.699.
  3. ↑ "Archived copy". Archived from the original on 2011-07-23. Retrieved 2010-01-24.
  4. ↑ Taylor 1996, p.572.
  • Lambert, Mark. Jane's All The World's Aircraft 1993-94. Coulsdon, Surry, UK:Jane's Data Division, 1993. ISBN 0-7106-1066-1.
  • Taylor, John W. R. Jane's All The World's Aircraft 1988-89. Coulsdon, Surry, UK:Jane's Defence Data, 1988. ISBN 0-7106-0867-5.
  • Taylor, Michael J. H. Brassey's World Aircraft & Systems Directory 1996/97. London:Brassey's, 1996. ISBN 1-85753-198-1.
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