Russian Helicopters has started flight tests of the Mi-171E multipurpose helicopter with upgraded power unit and rotor system at Ulan-Ude Aviation Plant (UUAP) and plans to finish the flight tests by the end of the 2017.
Mi-171E helicopter is equipped with a new rotor and X-shaped tail rotor with blades made of polymer composite materials, upgraded swash plate, Russian-made VK-2500PS-03 engine with a FADEC-type digital control system, and with modified stabilizer and keel beam, the company said in a statement Friday.
"Equipment of Mi-171E helicopter with a new carrier system allowed to increase the maximum speed, increase the flight range and external sling payload, and to make flights in the thin air of high altitudes and in high temperatures. Also, a new form of blades of tail and main rotor makes it possible to reduce the noise level," said Managing Director of JSC UUAP Leonid Belykh.
All components of the carrier system are lighter, their resources are increased and maintenance complexity is decreased. Digital de-icing system for composite blades of main and tail rotor is also a new feature.
Resources of the VK-2500PS-03 engines with emergency mode power of 2700 HP are increased by 1.5 times. FADEC-type digital engine control system adapts controls to external conditions, reduces the weight and volume of the electronic units of the system and connecting cables, ensures synchronization of the engine working mode by turbocharger rotation frequency.
It allows maintaining the optimum performance of engines with minimal fuel consumption. Auxiliary power unit Safir 5K/G MI with a powerful 20kW generator provides greater height of the engine starting and fuel economy.
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Russian Helicopters has offered its latest Mi-171E2 for use in high altitude and hot weather regions of the world following completion its flight test program. “Due to its improved performance characteristics, Mi-171Е2 may be interesting for government agencies using helicopters
Russias latest multirole Mi-171A2 helicopter has completed trials in extremely low temperatures of up to -50 degrees Centigrade, local media reports quoting Russian Helicopters Holdings press service. "The results of the tests, held in Yakutia, have proven that main systems and avionics are operable [in extremely low temperatures]
Russian Helicopters, Singaporean Progression Pte and Russia-Singapore Business Council (RSBC) have signed an agreement with Centre for Overseas Promotion of Russian High-tech Companies and Presentation of Investment Projects on cooperation and joint collaboration to promote helicopters in the South-east Asia region. Under the Agreement, Progression Pte
Russia will put the work on Barguzin rail-mobile ballistic missile system on hold and will instead focus on developing Sarmat and Rubezh Intercontinental Ballistic missiles (ICBM) due to lack of financing. The work on the Barguzin rail-mobile ballistic missile system has been excluded from Russias new state armament plan for 2018-2027 due to lack of financing, a Russian defense ministry source was quoted as saying by
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