PZL Rzeszów SO-3
The PZL Rzeszów SO-1 and PZL Rzeszów SO-3 are Polish turbojet engines designed by the Instytut Lotnictwa 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 Thirty SO-1s were built, this being superseded by the improved SO-3, of which a further 580 were built.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
;SO-3
;SO-3W22Applications
