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The Klimov TV2-117 (initially Isotov TV2-117) is a Soviet gas-turbine turboshaft engine intended for helicopter use. Designed in the early 1960s by the Isotov Design Bureau the engine became the first purpose built gas turbine engine for helicopter use by the Soviet Union with previous helicopter turbines being adapted aeroplane powerplants. It was later produced by Klimov, production ending in 1997.[1]

TV2-117
Type	Turboshaft
Manufacturer	Klimov
First run	1962
Major applications	Mil Mi-8.
Number built	23,000
Developed into	Klimov TV3-117

The TV2-117 is claimed to be the most popular helicopter powerplant worldwide and has accumulated over 100 million hours in service. [1]

Variants

Source:Klimov.[1]

TV2-117

Base variant.

TV2-117A

Improved engine with more durable compressor stator blades.

TV2-117AG

Carbon sealed shaft bearings

TV2-117F

Limited production of engine certified to FAA airworthiness standards for Japan.

TV2-117TG

Multi-fuel variant, adapted to run on liquid petroleum gas and other fuels, such as gasoline an diesel fuel, and for use in cold climates.

Applications

• Antonov An-24 (intended coupled turboprop application)
• Mil Mi-8
• Mil Mi-14

Specifications (TV2-117A)

Data from World Encyclopaedia of Aero Engines,[2] World Encyclopaedia of Aero Engines,[3] Aircraft engines of the World 1970[4]

General characteristics

• Type: Turboshaft
• Length: 2,390 mm (94 in)
• Diameter: 400 mm (16 in)
  
• Frontal area: 0.12 m² (1.3 sq ft)
• Dry weight: 330 kg (730 lb) (minus accessories)

Components

• Compressor: Ten-stage axial flow
• Combustors: Eight-chamber cannular
• Turbine: Two-stage compressor turbine, two-stage power turbine
• Fuel type: Aviation Kerosene such as JP-4
• Oil system: Pressure spray at 50 psi (3.4 bar) with return

Performance

• Maximum power output:
  

• Take-off power: 1,500 shp (1,100 kW) at 12,000 rpm (power turbine) de-rated
  
• Altitude power: 1,300 kW (1,800 hp) at 12,000 rpm (power turbine) at 1,200 m (3,900 ft)

• Overall pressure ratio: 6.6:1 at 21,200 rpm
• Air mass flow: 8.1 kg/s (1,070 lb/min)
• Turbine inlet temperature: TIT 1,150 K (880 °C)
• Specific fuel consumption: 0.606 lb/(hp⋅h) (0.369 kg/kWh)
• Power-to-weight ratio: 2.06 hp/lb (3.39 kW/kg)

See also

Comparable engines

• Rolls-Royce Gnome

Related lists

• List of aircraft engines

References

На других языках

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[de] Klimow TW2-117

Das Klimow TW2-117 (auch Isotow TW2-117) ist eine im Jahr 1964 entwickelte Wellenturbine des russischen Triebwerksherstellers Klimow für den Hubschrauber Mil Mi-8 und dessen Exportversion Mi-17. Die Startleistung beträgt 1500 PS (1103 kW).

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- [en] Klimov TV2-117

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[fr] Klimov TV2-117

Le Klimov TV2-117 (en russe : « Климов ТВ2-117 ») est un turbomoteur d'origine soviétique, conçu au début des années 1960 et propulsant l'hélicoptère de transport Mi-8. Il est considéré comme étant le moteur d'hélicoptère le plus populaire au monde, avec plus de 23 000 exemplaires produits, et il a accumulé au cours de sa carrière plus de 100 millions d'heures de service[2]. 13 000 exemplaires volent encore de nos jours[3].

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[ru] ТВ2-117

ТВ2-117 — авиационный турбовальный двигатель, разработанный в 1959—1964 годах в ОКБ имени В. Я. Климова под руководством С. П. Изотова. Выпускался серийно с 1965 по 1997 год. Всего на Пермском моторном заводе выпущено около 23 000 двигателей ТВ2-117, общая наработка которых составляет более 100 млн часов.

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