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| So-3 Turbojet engine |
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| K-15 Turbojet engine |
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TURBOJET ENGINES K-15 AND So-3
The engine was made in cooperation of Institute of Aviation with PZL Rzeszów and PZL Hydral. Serial production of engine has started in PZL Rzeszów in 1994. K-15 is modified version of SO-3 engine (used in ISKRA trainer aircraft) constructed in Institute of Aviation. K-15 is a single spool, one flow turbojet engine equipped in six stages axial compressor with supersonic first stage, ring combustion chamber and single stage turbine. Compressor fan with structure welded with electron beam is made of maraging steel.
The engine was supposed to be a propulsion for I-22 "Iryda" training fighter.
| BASIC TECHNICAL DATA |
| Thrust |
1500 daN |
| Max. rotation speed |
15900 r/min |
| Specific fuel consumption |
1.0 kg/daN*h |
| Dimensions |
| width |
725 mm |
| height |
892 mm |
| length |
1560 mm |
| Dry weight |
340 kg |
| Operational service ceiling |
15000 m |
| Life time |
1200 h |
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