NPO Energomash has conducted a successful test firing of the rocket engine RD-171МВ. This was announced on Friday, December 18, the head of the state corporation "Roscosmos" Dmitry Rogozin.
"And another good news from our engine builders: Energomash today conducted the first full-size fire test of the world's most powerful liquid rocket engine RD-171MV. All parameters are normal, " Rogozin wrote on Twitter.
He added that the engine will be used on the latest Soyuz-5 launch vehicle.
In early September, the director of the Samara rocket and space Center "Progress" Dmitry Baranov said that the creation of a new medium-class launch vehicle "Soyuz-5" will begin in mid-2021.
In June, it became known that the enterprises of Roscosmos plan to produce 20 RD-171MV engines by 2027.
In September 2019, NPO Energomash launched mass production of the world's most powerful liquid rocket engines RD-171MV. They are not only intended for use on the first stage of the new Soyuz-5 launch vehicle, but will also be used on the superheavy Yenisei rocket.
The power of the RD-171MV engine is 246 thousand hp with a mass of 10 tons. Its thrust is estimated at 800 tons, writes "<url>".