The new russian UMPB-5R jet guided aerial bomb is equipped with a small-sized SW800 jet engine manufactured by the Chinese company Swiwin. This engine was found among the remains of a russian aerial munition, in a relatively whole and accessible form for study.
The corresponding photos were published by the famous Ukrainian specialist Serhiy "Flash" Beskrestnov, who noted that this is "a new UMPB-5R jet guided munition - the same one that reached Poltava" (ed. -Poltava city is located 120 km from the border with the russian federation).
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The use of such a turbojet engine actually turns the UMPB-5R, which is apparently designed on the basis of the UMPB D-30SN guided bomb, into an ersatz cruise missile. This allows for a fairly significant increase in the range of use, as well as allows this aviation munition to maneuver more actively, changing the direction of flight.
The use of the Chinese SW800 engine manufactured by Swiwin, which is available on the civilian market, has been noticed in a russian long-range munition for the second time. Before that, the same engine was used in the S8000 Banderol cruise missile.
This engine, which also has the TF-TJ800B index, with its weight of 8.5 kg and moderate dimensions (diameter - 208 mm; length - 455 mm), develops up to 0.8 kN of thrust. The declared fuel consumption in the maximum mode is 1.85 kg of fuel per minute of flight, and according to the estimates of the specialists of Ukraine’s Defense Intelligence, in the cruising mode the fuel consumption is 1.5 kg/minute.
The fact that two separate russian long-range weapons, the Banderol and the UMPB-5R, use the same SW800 engine by Swiwin at once indicates that russia is confident in the possibility of its mass and stable purchase.
On Chinese marketplaces, this engine is offered for a price of 15 to 17 thousand dollars. But it is obvious that with direct contact of large batches directly with the manufacturer, the price can be significantly lower.
By using the Chinese engine, the russians can quite count on the possibility of fairly large-scale production of such long-range weapons. Moreover, the direction of work that the russians are moving in is obvious - a repetition of the idea of the Powered JDAM by Boeing.
At the same time, the American product, while still a conceptual development, is equipped with a similar small-sized TDI-J85 engine, only with a slightly higher thrust - 0.9 kN. Due to it, the Powered JDAM should fly at a distance of up to 500 km. It is quite possible that the TDI-J85 is much more economical than the Chinese SW800.
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