RD-58Z Block D / 11D68 Credit - © Mark Wade Manufacturer Name: RD-58Z. Government Designation: 11D58Z. Designer: Korolev. Application: Zenit stage 3. Propellants: Lox/Kerosene. Thrust(vac): 71.000 kN (15,961 lbf). Isp: 361 sec. Burn time: 660 sec. Mass Engine: 300 kg (660 lb). Diameter: 2.90 m (9.50 ft). Chambers: 1. Chamber Pressure: 78.00 bar. Area Ratio: 189.00. Thrust to Weight Ratio: 24.13. Country: Russia. Status: Developed 1981-1990. Bibliography and Further Reading Isakowitz, Steven J,, International Reference to Space Launch Systems Second Edition, AIAA, Washington DC, 1991 (succeeded by 2000 edition). ISBN: 1563473534. Superseded by the later editions. More at amazon.com...                   Contact us with any corrections, additions, or comments. Conditions for use of drawings, pictures, or other materials from this site.. To contact astronauts or cosmonauts. © Mark Wade, 1997 - 2007 except where otherwise noted.

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