Technoregion’s experiments aim to improve efficiency and reduce operating costs
Yeisk vicinity krasnodar regionlegendary in Antonov An-2 An experimental version of the aircraft has begun test flights. This version is powered by an engine taken from the Mi-8 helicopter.
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prototype TR-301/117The first flight of October 1, 2025It took place on the Russian Telegram channel and lasted about 10 minutes. TAKE-OFFThis was reported.
manufacturing company Technoregionhas been carrying out modernization and engine replacement work on the An-2 for several years. In this configuration, it is generally mounted on Mi-8T helicopters. TV2-117 engine was used.
Modifications and Performance
To adapt to the aircraft, the engine Single-axis turboprop enginewas remodeled to The free turbine was removed and the gearbox was connected directly to the compressor.
After modification, the output decreased from 1,500 horsepower to approx. 900 horsepowerdecreased to, which corresponds to a decrease of approximately 40%. However, Technoregion claims that the new TR-301/117 model will be replaced by the older Czech-made M601It is believed that it will be superior to the version equipped with a (720 horsepower) engine.
The basic model TR-301is a lightweight version of the An-2 with the lower wings removed and the upper wings reinforced with steel pipe structures. Russian Federal Air Transport AgencyAccording to , nine of these models have already received airworthiness certification and 16 are officially registered.
Experimental development history
Before adopting the TV2-117 engine, Technoregion had a Czech M601for helicopters GTD-350for automobiles Zmz-409and Kamaz Several alternative power sources, including diesel engines, were tested.
Currently, the company sees TV2-117 as the most promising solution to revive the An-2 fleet. The An-2 has been widely used in Russian agricultural aviation, regional transport, and various public missions since the 1940s.
Source and image: Telegram @takeoff_ru | Wikimedia. This content was created with the help of artificial intelligence and reviewed by our editorial team.