This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com

astronautix.com RD-275


Manufacturer Name: RD-275. Designer: Glushko. Developed in: 1980's. Application: Proton stage 1. Propellants: N2O4/UDMH Thrust(vac): 178,000 kgf. Thrust(vac): 1,745.00 kN. Isp: 317 sec. Isp (sea level): 285 sec. Burn time: 130 sec. Mass Engine: 1,280 kg. Diameter: 1.5 m. Length: 2.7 m. Chambers: 1. Chamber Pressure: 157.00 bar. Area Ratio: 26.00. Oxidizer to Fuel Ratio: 2.67. Country: Russia. Status: In Production. First Flight: 1986. Last Flight: 1999. Flown: 438. References: 98 , 322 . Comments: Uprated version of RD-253, developed in the 1980's.
Back to Index
Last update 12 March 2001.
Definitions of Technical Terms.
Contact Mark Wade with any corrections or comments.
Conditions for use of drawings, pictures, or other materials from this site..
© Mark Wade, 2001 .