‘Tsar Engines,” Russia Begin Serial Production of the World’s Most Powerful Rocket Engines

RT/Moscow: Russia has launched serial production of the world’s most-powerful multi-combustion chambered rocket engine, the RD-171MV. It’s intended to provide thrust to the planned super heavy-lift rocket Soyuz-5, set to be launched in 2022.

The producer of the engine, NPO Energomash (part of Russia’s Roscosmos space agency) has found a supplier of the rolled mould steel and composites necessary for production, according to data on the federal procurement website. The company will spend around 19.5 billion rubles (approximately US$ 292 million) to purchase the materials.

In February, Roscosmos’ Director-General Dmitry Rogozin revealed that Energomash had created the first engine of the new model. Earlier the official had said the RD-171MV “is the most powerful engine in the world,” and that’s why it’s sometimes called “the Tsar-engine.”

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The 10-ton RD-171MV, an improved variant of the RD-171M, was presented during the MAKS-2019 biennial airshow, currently taking place at the Zhukovskiy International Airport near Moscow.

The engine is designed to operate at the first stage of the future Soyuz-5 rocket, also known as Irtysh. In August, CEO of Russia’s Energomash Igor Arbuzov said that the company will test fire the RD-171MV until the end of the year, before instaling it on the rocket. The test of the Soyuz-5 rocket is scheduled for 2021, before it makes its maiden flight in 2022.


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  1. The United States National Aeronautics and Space Administration (NASA) intends to acquire two seats on Russian Soyuz manned spacecraft for flights to the International Space Station (ISS). This was reported on the US public procurement website. The Agency intends to redeem one place at the Soyuz MS-17 and Soyuz MS-18, planned for launch in the fall of 2020 and in the spring of 2021. This should ensure the continued presence of at least one American astronaut on board the ISS until September 2021 in the event of a disruption of the US manned spacecraft program. It is noted that if the purchase is not made, then starting in October 2020, American astronauts will no longer be present on board the international space station.

    • John, I think it’s more like brain killing. The issues Western education now is teaching, raycism, Holocaust and homosexuality are more of emotion based. But emotions can’t be teached, those has to be experienced and teached by the life itself. They MSM educators appear as if they were selling political correctness, but in fact they are stealing individual identity while replacing it with some Holocaust based one for masses. And there goes at the same breathe the life itself down the toilet, because life cannot teach anything anymore. Psychological warfare without any logic.

  2. Pres Kennedy was asked at a press conference how come the Russians were beating us in space, he replied that the Russians had developed these powerful boosters, and that we are hopefully soon to climb in space, but we are behind.
    The world famous NASA, after 60 odd years are still behind. Lies, corruption will get you nowhere.

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