Russia Develops Reusable Rocket Engines Cutting Launch Costs, Lifting 1.5 To 30 Tons
Energomash Science and Production Association has developed a rocket engine with reusable liquid propellant engines that can markedly lower the cost per launch, according to the RIA Novosti news agency.
The RD-191 rocket engine can be configures in multiple ways with varying numbers of strap-on boosters.
It involves a small amount of hydrogen added to kerosene-oxygen fuel loads.
The rocket system can lift from 1.5 to 30 tons.