| Block DM-2 11S861 |
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Upper stage / space tug - in production. Launched by Proton. Also known as Block DM-2 (different from commercial Block DM2 (no hyphen!)), article number 11S861. With improved guidance system as compared to 11S86, originally designed for insertion of military spacecraft into geosynchronous orbit. Used from 1982 to present. Commercial version designated Block DM1 and was equipped with Saab payload adapter for insertion of AS 4000 bus spacecraft into geosynchronous orbit. Unit Cost $: 4.000 million. Length: 7.10 m (23.20 ft). Basic Diameter: 3.70 m (12.10 ft). Span: 3.70 m (12.10 ft). Mass: 17,300 kg (38,100 lb). Main Engine: RD-58M. Main Engine: 230 kg (500 lb). Main Engine Thrust: 85.020 kN (19,113 lbf). Main Engine Propellants: Lox/Kerosene. Main Engine Propellants: 15,000 kg (33,000 lb). Main Engine Isp: 352 sec. 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 - 2008 except where otherwise noted. | |||
