Engine TV2-117A
Vendor code: 27971 18 November 4650 128
Engine TV2-117A manufactured in 1985.
The TV2-117A turboshaft engine with a free turbine (TVaD) is designed for installation on the Mi-8 helicopter
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Takeoff power: |
1500 hp |
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Specific fuel consumption: |
0.310 kg/hp h |
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Cruise power: |
1000 hp |
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Specific fuel consumption: |
0.275 kg/hp hour |
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Length: |
2843mm |
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Width: |
550mm |
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Height: |
748mm |
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Dry weight: |
334kg |
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Assigned resource: |
12,000 hours |
The engine consists of the following main components:
- a compressor with rotating blades of an inlet guide vane (IVA) and guide vanes (NA) of the first three stages. The compressor is equipped with air bypass valves due to stage VI;
-combustion chambers. The combustion chamber is equipped with 8 working nozzles and 2 starting igniters;
- compressor turbines and a free turbine, transmitting power through the spring shaft to the VR-8 gearbox;
- exhaust device;
- units drive boxes. The following units are installed on the drive box: starter-generator GS-18TP or GS-18TO, fuel pump-regulator NR-40VR, command unit KA-40, hydraulic pump PN-40R, turbocharger speed counter sensor D-2, upper oil unit with filter .
- State: Used
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