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Manufacturer Name: RD-270M. Government Designation: 8D420M. Designer: Glushko. Developed in: 1962-70. Propellants: N2O4/Pentaborane Thrust(vac): 730,000 kgf. Thrust(vac): 7,159.00 kN. Isp: 365 sec. Isp (sea level): 340 sec. Chambers: 1. Country: Russia. Status: Study 1962-1970. References: 283 . Comments: In 1962-1970 Glushko studied use of Pentaborane 'zip' propellants in his monster RD-270 engine. This would have created immense toxicity problems but increased the specific impulse of the engine by 42 seconds.
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Last update 12 March 2001.
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