Klimov GTD-350

GTD-350
Type	Turboshaft
Manufacturer	Klimov
First run	1963
Major applications	Mil Mi-2
Number built	> 11,000

The Klimov GTD-350 (initially Isotov GTD-350) is a Soviet gas-turbine turboshaft engine intended for helicopter use. Designed in the early 1960s by the Isotov Design Bureau the engine was later produced by Klimov and PZL, production ending in the late 1990s.^[1]

The GTD-350 powers the Mil Mi-2, the first Soviet gas-turbine powered helicopter, and has accumulated over 20 million hours in service. ^[1]

Applications

• Mil Mi-2

Specifications

Data from Klimov and Gunston.^[1][2]

General characteristics

• Type: Turboshaft
• Length: 1,350 mm (4.429 ft)
• Diameter: 522 mm (1.713 ft)
• Dry weight: 135 kg (298 lb)

Components

• Compressor: Seven-stage axial flow plus single-stage centrifugal
• Combustors: Single-chamber reverse flow
• Turbine: Single-stage compressor turbine, two-stage power turbine

Performance

• Maximum power output: 400 hp (298 kW)
• Overall pressure ratio: 6.05:1 at 45,000 rpm
• Air mass flow: 2.19 kg/s (4.82 lb/s)
• Specific fuel consumption: 365 g/hp/hr
• Power-to-weight ratio: 2.2 kW/kg (1.34 hp/lb)

See also

Comparable engines

• Allison Model 250

Related lists

• List of aircraft engines

References

Wikimedia Commons has media related to Klimov GTD-350.

Notes

Bibliography