This page no longer updated from 31 October 2001. Latest version can be found at 11D79

Government Designation: 11D79. Designer: Stepanov. Developed in: 1964-67. Application: Blok D SOZ. Used on stages: N1 Block D, Proton 11S824, Proton 11S824F, Proton 11S824M, Proton 11S86, Proton 11S861, Proton 11S861-01, Proton 17S40. Propellants: N2O4/UDMH Thrust(vac): 4,500 kgf. Thrust(vac): 44.00 kN. Country: Russia. Status: In Production. Comments: Thrust 1.1-4.5 tf variable.
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Last update 12 March 2001.
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© Mark Wade, 2001 .