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Yes. NK-33 never flew on N-1. They were intended to fly on N-1 in its fifth flight - which never happened, because Glushko closed the program after becoming th

by avmich 12y ago

Yes. NK-33 never flew on N-1. They were intended to fly on N-1 in its fifth flight - which never happened, because Glushko closed the program after becoming the head of the Energiya company.

marze 12y ago
So before the engines were obtained by Orbital, the NK-33 had never even been flight tested?
- avmich 12y ago
  Before the engines flew for the first time, yes they never flew before. And Antares is the first rocket where those engines have flied - though not the only one rocket already.