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PZL Rzeszów SO-3
| Field | Value |
|---|---|
| name | SO-1/SO-3 |
| image | SO-3W MLP Kraków 04.jpg |
| caption | SO-3W engine on display at the Polish Aviation Museum |
| engine_type | Turbojet |
| national_origin | Poland |
| manufacturer | WSK PZL Rzeszów |
| first_run | November 1968 |
| major_applications | PZL TS-11 Iskra |
| number_built | 580 |
The PZL Rzeszów SO-1 and PZL Rzeszów 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 Thirty SO-1s were built, this being superseded by the improved SO-3, of which a further 580 were built. The engine has a seven-stage compressor, annular combustion chambers, and a single-stage turbine.
Variants
;SO-1 :Original production. Overhaul life 200 hours. ;SO-3 :Improved version of SO-3, intended for tropical use. Modified compressor, combustion chamber and turbine. Overhaul life 400 hours. ;SO-3W22 :Modified version for PZL I-22 Iryda, 10.79 kN (2,425 lbf) rating, renamed PZL-5.
Applications
- PZL TS-11 Iskra
- PZL I-22 Iryda
Specifications (SO-3)

and start a new, fully-formatted line with -- |power/weight= |thrust/weight=3.4
References
- Lambert, Mark. Jane's All The World's Aircraft 1993-94. Coulsdon, Surry, UK:Jane's Data Division, 1993. .
- Taylor, John W. R. Jane's All The World's Aircraft 1988-89. Coulsdon, Surry, UK:Jane's Defence Data, 1988. .
- Taylor, Michael J. H. Brassey's World Aircraft & Systems Directory 1996/97. London:Brassey's, 1996. .
References
- Lambert 1993, p.630.
- "Silnik lotniczy do TS-11 ISKRA". AMW - Agencja Mienia Wojskowego.
- Taylor 1996, p.572.
- Taylor 1988, p.699.
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