The head of "Roskosmos" does not believe in Mask's ability to create a rocket engine, superior to Russian developments

According to the Director General of Roscosmos, Dmitry Rogozin, SpaceX, the head of which is Ilon Musk, will not be able to create rocket engines in the near future, surpassing the Russian equivalent. Rogozin believes that domestic engines are “number one in the world,” as reported by Interfax.

“Mask is not a technical expert in this matter, he just does not understand what is being said. This is how to compare diesel and gasoline engines as possible. So far, he has flown and is flying on oxygen-kerosene engines, he is going to reach new indicators on the engine, we have that too, ”Rogozin told reporters on Wednesday.

The comment of the head of "Roskosmos" left after Ilon Musk declared the superiority of the Raptor engine over the Russian analogue RD-180. According to the entrepreneur, superiority in this case is expressed in a higher rate of pressure in the combustion chamber.
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In addition to Rogozin, Pyotr Levochkin, Chief Designer of Energomash, also left a comment on Mask’s statement. He stated the following: “Mr. Mask, not being a technical specialist, does not take into account that the RD-180 engine for the Atlas launch vehicle uses a completely different fuel circuit - oxygen-kerosene, which are different engine operating parameters. It is like comparing a diesel and a gasoline internal combustion engine. And if we take into account the fact that Energomash certified the engine with 10% reserve, the pressure in the RD-180 combustion chamber is above 280 atmospheres. "

According to the expert, in such engines the pressure level is really high, but this figure is not considered to be something extraordinary. “And the parameter pressure in the chamber itself is not an output characteristic of the engine, such as thrust and specific impulse,” he said.

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