Russian hi-tech firms design new blades to boost combat helicopters’ speed
By Trend
The Zhukovsky Central Aero-Hydrodynamic Institute (TsAGI) and the Mil Design Bureau have designed new rotor blades that make it possible to boost the speed of existing Russian combat helicopters to 400 km/h, TASS reports referring to TsAGI CEO Kirill Sypalo.
"Previously, we flew at a maximum speed of somewhere 320-330 km/h, whereas now we are setting the achievable level of 400 km/h and higher," Sypalo said, responding to the corresponding question.
The new blades reduce negative aerodynamic effects arising for helicopters of the classical design at high speeds, the chief executive added.
"The unique profiles and aerodynamic arrangement of the helicopter blades reduce the effect of supersonic speeds arising at the ends of the blades. This is one of the sources of ensuring movement with a greater speed," the TsAGI chief said.
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