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The Turbomeca TM 333 is a turboshaft engine manufactured by French company Turbomeca and designed for helicopters weighing 4-5 tonnes.[1] It first ran in August 1981 and was introduced commercially in the mid 1980s.[1] It was the first Turbomeca engine to use a single stage turbine, making it more compact than its predecessors.[1] In its original design, the engine was rated at 750 continuous horsepower, though it was designed to allow for future power increases,[1] and the later 2B2 variant made 1,100 horsepower.[2]

TM 333
Type	Turboshaft
National origin	France
Manufacturer	Turbomeca
First run	1981
Major applications	HAL Dhruv

Variants

TM 333 2B2

The TM 333 2B2 powered early versions of the HAL Dhruv, though it was replaced by the Shakti engine, which was jointly developed by HAL and Turbomeca.[2]

TM 333 2M2

The TM333 2M2 is used on the HAL Cheetal and Chetan, upgraded versions of the Cheetah and Chetak, respectively.[3]

Applications

• HAL Dhruv
• HAL Cheetah
• HAL Chetak

Specifications (TM 333 2M2)

Data from EASA TCDS E.030 TM333 Series Issue 05 [4]

General characteristics

• Type: Twin-spool turboshaft
• Length: 1,045 mm (41.1 in)
• Diameter: 454 mm (17.9 in) (width), 745 mm (29.3 in) (height)
• Dry weight: 162.5 kg (358.3 lb)

Components

• Compressor: Two-stage axial, single-stage centrifugal
• Combustors: Annular,reverse flow
• Turbine: Single-stage compressor turbine, single-stage power turbine

Performance

• Maximum power output: 736 kW (987 shp) (maximum continuous)
• Power-to-weight ratio:

See also

Related lists

• List of aircraft engines

References

External links

• Turbomeca TM 333

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На других языках

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[de] Turbomeca TM 333

Die Turbomeca Makila ist eine Wellenturbine des französischen Herstellers Turboméca speziell für den Antrieb von Hubschraubern mit einem Gewicht von fünf bis sechs Tonnen.

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- [en] Turbomeca TM 333

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[fr] Turbomeca TM 333

Le Turbomeca TM 333 est un turbomoteur conçu pour propulser des hélicoptères de 5 à 6 tonnes. Produit à 250 exemplaires, il a trouvé sa première utilisation commerciale dans l'hélicoptère indien Dhruv.

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