Scientists Explain Progress on New Russian "Soyuz-5" Launch Vehicle

Some equipment is already being prepared for conversion into a prototype for testing

In Samara, the results of work on the creation of a new Russian space rocket complex "Soyuz-5" were summed up.

The promising two-stage medium-class launch vehicle will be able to launch spacecraft into sun-synchronous, highly elliptical, geotransitional, and geostationary orbits, including using an upper stage
The promising two-stage medium-class launch vehicle will be able to launch spacecraft into sun-synchronous, highly elliptical, geotransitional, and geostationary orbits, including using an upper stage

In the outgoing year, scientists completed testing of the prototype oxidizer tank of the first stage of "Soyuz-5". It is being converted into a prototype for cold and hot stand tests.

The production of a prototype fuel tank for the first stage of "Soyuz-5", the installation of a pneumatic-hydraulic system and an onboard cable network are nearing completion.

Earlier it became known that NPO Energomash assembled the second copy of the RD-171MV liquid rocket engine, which is considered the most powerful in the world: it can put up to 17 tons of cargo into orbit. It is used in the first stage of the Soyuz-5 medium-class launch vehicle. After interdepartmental tests, the engine will be mass-produced.

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