Isotow GTD-350
The Isotow GTD-350 (also Klimow GTD-350 ) is a gas turbine with gearbox for driving helicopters . It was designed by the Russian manufacturer Klimow and is very similar to the US Allison 250 gas turbine . The performance range is also very similar.
The GTD-350 was developed for the Mil Mi-2 helicopter from 1963 . Series production took place in Poland at WSK PZL as PZL Rzeszow GTD-350 and lasted until the end of the 1990s. A total of over 11,000 engines were manufactured. The mean time between overhaul is 500 hours. The engine is still supplied with spare parts by the manufacturer.
Technical specifications
- Power: 294 kW (400 PS)
- Specific fuel consumption : 490 g / kWh
- Air flow: 2 kg / s
- Compression: 6.0
- Compressor: 7 axial stages + 1 radial stage
- Turbine: 1 stage + 2 stages
- Turbine inlet temperature: 970 ° C
- Maximum turbine speed for the compressor drive 42,400 / min
- Maximum turbine speed for the shaft drive: 24,000 / min
- Height: 680 mm
- Width: 522 mm
- Length: 1,350 mm
- Weight: 135 kg
literature
- Isotow GTD-350 . In: Heinz A. F. Schmidt (Ed.): Flieger-Jahrbuch 1971 . Transpress, Berlin 1970, p. 106 .