Turbomeca TM 333

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

References
  1. "TM.333; a new generation turboshaft" (PDF). Flight International. 1 January 1983. Retrieved 13 April 2017.
  2. "Military engines: Local power". Flightglobal. 1 May 2007. Retrieved 13 April 2017.
  3. "Gaining altitude". Flightglobal. 21 February 2006. Retrieved 13 April 2017.
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