This page no longer updated from 31 October 2001. Latest version can be found at RD-550

Manufacturer Name: RD-550. Designer: Glushko. Developed in: 1963-70. Application: experimental upper stage engine. Propellants: Lox/30% Beryllium+Pentaborane in 70% Hydrazine Thrust(vac): 10,000 kgf. Thrust(vac): 98.06 kN. Isp: 400 sec. Chambers: 1. Country: Russia. Status: Developed 1963-70. References: 283 .

Toxic exotic propellant engine studied by Glushko in 1963-1970. The specific impulse would have been between 360 and 400 seconds. This was one of the category B engines that had to be developed by OKB-456 Filial 1 because test of the extremely toxic propellants was impossible at Khimki.

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Last update 12 March 2001.
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