Russian turboshaft aircraft engine
The Klimov TV3-117 is a Soviet gas turbine aero engine .This engine was first made and designed by Klimov which in modern day is a aerospace manufacturer based in Saint Petersburg Russia .Moreover The Klimov TV3-117 engine was developed as an advanced version of the Klimov TV2-117, incorporating significant improvements in performance and reliability. This engine was used in most medium lift, utility, and attack helicopters designed by the Mil and Kamov design bureaus. The TV3-117 turboshaft engine was developed in 1974. Later the Klimov TV3-117 was installed on 95% of all helicopters designed by Mil and Kamov Engineering Centre. The engine has been produced in many variants , 
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