Фото: Rocket Factory Augsburg
The first fire test lasted two seconds
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The closed circuit of a liquid propellant rocket engine allows for a lower carbon footprint as well as lower launch costs.
Rocket Factory Augsburg (RFA) from Germany conducted successful firing tests of a closed circuit liquid-propellant rocket engine. The test took place in the Swedish city of Kiruna and lasted two seconds, they say in a statement of the firm, unveiled on Monday 21 June.
The closed circuit means that the gases obtained during the combustion of fuel in the gas generator are not discharged through the nozzle, but enter the main combustion chamber. This avoids the release of unburned fuel. This technology significantly increases the efficiency of the launch vehicle, as well as lowers its carbon footprint and launch costs. According to RFA, rockets with these engines can launch 30% more payload into space at a similar launch cost.
The German company became the first in the European Union and the ninth in the world to successfully test a full-scale closed-loop rocket engine. Previously, the same success was achieved in the USA, Russia, India, China, Ukraine and Japan. The last such devices were developed by the American private companies SpaceX and Blue Origin.
It was previously reported that Ukraine will supply additional engines for the Vega rocket. The contract for the supply of 11 main engine blocks is calculated until 2023. It provides for the manufacture of ten additional RD-843 units produced by the Yuzhnoye Design Bureau and the Yuzhmash plant.
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