A mock-up commission has completed its review of the VK-1600S turboprop engine being developed by United Engine Corporation (UEC), approving the engine mock-up and defining the work required to support its certification.
The VK-1600S is being developed by UEC-Klimov as a fixed-wing derivative of the VK-1600V turboshaft engine for the Ka-62 helicopter. The turboprop version is rated at 1,450 hp for take-off and is expected to share 60–65% of its design with the helicopter engine.
The commission assessed the engine design and its BARK-15S engine control and monitoring unit. It also established requirements for test facilities and identified draft certification documents and the work required for the certification campaign.
UEC plans to complete an engine test stand, manufacture a demonstrator and conduct bench testing by the end of 2026. The programme then calls for detailed design documentation for the prototype, manufacture of three engines, and initial endurance and specialised tests. A flight-test programme is also to be prepared for the engine’s installation in a flying laboratory.
The VK-1600S is intended for light passenger aircraft, including the TVS-2DTS and An-2, and other applications requiring a single-engine turboprop installation. The engine will be coupled with the AV-17 propeller.
The powerplant will use a full-authority digital engine control system (FADEC). Its specified operating envelope covers altitudes from 300 to 4,500 m, relative humidity of up to 100%, and temperatures from –50°C to +55°C.
The VK-1600S is being developed under a RUB 3.376 billion contract. Its commonality with the VK-1600V is expected to reach 60–65%.
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