Encyclopedia Astronautica

Glushko exotic N2O4/Pentaborane rocket engine. 7159 kN. Isp=365s. In 1962-1970 Glushko studied use of Pentaborane 'zip' propellants in his monster RD-270 engine. Created immense toxicity problems but increased specific impulse of the engine by 42 seconds.

AKA: 8D420M.
Status: Study 1962-1970.
Thrust: 7,159.00 kN (1,609,407 lbf).
Specific impulse: 365 s.
Specific impulse sea level: 340 s.
First Launch: 1962-70.

More... - Chronology...

Associated Countries
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Associated Manufacturers and Agencies
  • Glushko Russian manufacturer of rocket engines and rockets. Glushko Design Bureau, Russia. More...

Associated Propellants
  • N2O4/Pentaborane Nitrogen tetroxide became the storable liquid propellant of choice from the late 1950's. Pentaborane (B5H9) was considered as a high performance fuel in the US in the 1950's. Its development was pursued with some vigour by Glushko in Russia during the 1960's. But like the other fluorine and boron motors of the time, it presented too many handling and safety problems to be adopted as a flight engine. More...

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