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astronautix.com Zenit-3

Block D / 11D68
Block D / 11D68 - Aft view of the Block D lunar crasher stage and its 11D68 engine. The Block D would have taken the LK lunar lander to near the surface of the moon. This stage remains in use today atop the Proton rocket.

Credit: © Mark Wade. 52,122 bytes. 398 x 580 pixels.



Gross Mass: 17,300 kg. Empty Mass: 2,720 kg. Thrust (vac): 8,660 kgf. Isp: 352 sec. Burn time: 650 sec. Propellants: Lox/Kerosene Diameter: 3.7 m. Span: 3.7 m. Length: 5.6 m. Country: Ukraine. No Engines: 1. RD-58M Status: Hardware. Comments: Adaptation of Block D for Zenit.
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Last update 12 March 2001.
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© Mark Wade, 2001 .