View source for Turbomeca TM 333

{{Short description|1970s French turboshaft engine}}
<!-- This article is a part of [[Wikipedia:WikiProject Aircraft]]. Please see [[Wikipedia:WikiProject Aircraft/page content]] for recommended layout. -->
{|{{Infobox aircraft begin
 |name = TM 333
 |image = 
 |caption = 
}}
{{Infobox Aircraft Engine
 |type= [[Turboshaft]]
 |manufacturer= [[Turbomeca]]
 |national origin= [[France]]
 |first run= 1981
 |major applications= [[HAL Dhruv]]
 |number built =  
 |program cost = 
 |unit cost = 
 |developed from = 
 |developed into = 
 |variants with their own articles =
}}
|}

The '''Turbomeca TM 333''' is a [[turboshaft]] engine manufactured by French company [[Turbomeca]] and designed for helicopters weighing 4-5 tonnes.<ref name="fi"/> It first ran in August 1981 and was introduced commercially in the mid-1980s.<ref name="fi">{{cite web | url= https://web.archive.org/web/20170414082241if_/https://www.flightglobal.com/FlightPDFArchive/1983/1983%20-%200023.PDF | title=TM.333; a new generation turboshaft | publisher=Flight International | date=1 January 1983}}</ref> It was the first Turbomeca engine to use a single stage turbine, making it more compact than its predecessors.<ref name="fi"/> In its original design, the engine was rated at 750 continuous horsepower, though it was designed to allow for future power increases,<ref name="fi"/> and the later 2B2 variant made 1,100 horsepower.<ref name="military engines"/>

==Variants==
;TM 333 2B2
: The TM 333 2B2 powered early versions of the [[HAL Dhruv]], though it was replaced by the [[HAL/Turbomeca Shakti|Shakti]] engine, which was jointly developed by [[Hindustan Aeronautics Limited|HAL]] and [[Turbomeca]].<ref name="military engines">{{cite web | url=https://www.flightglobal.com/news/articles/military-engines-local-power-213590/ | title=Military engines: Local power | publisher=Flightglobal | date=1 May 2007 | accessdate=13 April 2017}}</ref>  
;TM 333 2M2 
: The TM333 2M2 is used on the HAL Cheetal and Chetan, upgraded versions of the [[Aérospatiale SA 315B Lama|Cheetah]] and [[Aérospatiale Alouette III|Chetak]], respectively.<ref>{{cite web | url=https://www.flightglobal.com/news/articles/gaining-altitude-204846/ | title=Gaining altitude | publisher=Flightglobal | date=21 February 2006 | accessdate=13 April 2017}}</ref>

==Applications==
* [[HAL Dhruv]] (Mk.1 and Mk.2)
* [[HAL Cheetah|HAL Cheetal]]
* [[HAL Chetak]]

==Specifications (TM 333 2M2)==
{{jetspecs
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|ref=''EASA TCDS E.030 TM333 Series Issue 05'' <ref>[https://www.easa.europa.eu/document-library/type-certificates/engine-cs-e/easae030 EASA E.030] www.easa.europa.eu - Retrieved: 7 December 2021</ref>
|type=Twin-spool turboshaft
|length={{convert|1045|mm|in|1|abbr=on}}
|diameter={{convert|454|mm|in|1|abbr=on}} (width), {{convert|745|mm|in|1|abbr=on}} (height)
|weight={{convert|162.5|kg|lb|1|abbr=on}}
|compressor=Two-stage axial, single-stage centrifugal
|combustion=Annular,reverse flow
|turbine=Single-stage compressor turbine, single-stage power turbine
|fueltype=
|oilsystem=
|power={{convert|736|kW|shp|0|abbr=on}} (maximum continuous)
|thrust=
|compression=
|bypass=
|aircon=
|turbinetemp=
|fuelcon=
|specfuelcon=
|power/weight=
|thrust/weight=
}}

==See also==
{{Aircontent
|related=

|similar engines=

|lists=
* [[List of aircraft engines]]

|see also=
}}

==References==
{{reflist}}

==External links==
* [https://web.archive.org/web/20081218112439/http://www.turbomeca.com/public/turbomeca_v2/html/en/produits/sous_famille_home.php?sfid=505&mid=615 Turbomeca TM 333]

{{Turbomeca aeroengines}}

{{Aeroengine-specs}}

[[Category:Turbomeca aircraft engines|TM 333]]
[[Category:1970s turboshaft engines]]
[[Category:Mixed-compressor gas turbines]]