I'm not familiar with Russian history. However, I am familiar with American and Chinese histories. For anyone that's interested, I will answer your question regarding the first cryogenic engine for the United States and China.
To place the development of cryogenic rocket engines in its proper historical context, I thought you might want to know that NASA developed the world's first cryo engine in 1961 and China flight-tested her first cryo engine in 1984 (i.e. 26 years ago).
Cryogenic rocket engine - Wikipedia, the free encyclopedia
"The first operational cryogenic rocket engine was the 1961 NASA design the RL-10 LOX LH2 rocket engine, which was used in the Saturn 1 rocket employed in the early stages of the Apollo moon landing program."
YF-73 - Wikipedia, the free encyclopedia
"The YF-73 is China's first successful, cryogenic, gimballed engine, using liquid hydrogen (LH2) fuel and liquid oxygen (LOX) oxidizer. It was developed in the early 1980s and first flight was in 1984."


Reply With Quote

Bookmarks