Proton 8K82K / 11S86 - Proton 8K82K / 11S86 Block DM launch vehicle - cutaway drawing showing arrangement of N2O4 oxidiser tanks (green) and UDMH fuel tanks (orange) in Proton, and Liquid oxygen (blue) and kerosene (pink) tanks in the Block DM stage. Block DM guidance package is housed in the light brown compartment above the LOX tank. Credit: © Mark Wade. 6,988 bytes. 60 x 430 pixels.

Version of Proton using Block DM-5 / 17S40 fourth stage. This stage has a new payload adapter for use with heavier paylods launched into sub-synchronous orbits. Used for launch of Arkon reconnaisance satellite. Equipped with Iridium payload dispenser, commercial version is designated Block DM2 and is used to launch multiple LM700 Iridium spacecraft.

Launches: 1. Failures: 0. Success Rate: 100.00% pct. First Launch Date: 06 June 1997. Last Launch Date: 06 June 1997. LEO Payload: 6,000 kg. to: 1,500 km Orbit. at: 63.0 degrees. Liftoff Thrust: 902,100 kgf. Total Mass: 708,410 kg. Core Diameter: 4.2 m. Total Length: 59.0 m. Launch Price $: 70.00 million. in 1994 price dollars.

• Stage Number: 1. 1 x Proton K-1 Gross Mass: 450,510 kg. Empty Mass: 31,100 kg. Thrust (vac): 1,067,659 kgf. Isp: 316 sec. Burn time: 124 sec. Isp(sl): 267 sec. Diameter: 4.2 m. Span: 7.4 m. Length: 21.2 m. Propellants: N2O4/UDMH No Engines: 6. RD-253-11D48

• Stage Number: 2. 1 x Proton K-2 Gross Mass: 167,828 kg. Empty Mass: 11,715 kg. Thrust (vac): 244,652 kgf. Isp: 327 sec. Burn time: 206 sec. Isp(sl): 230 sec. Diameter: 4.2 m. Span: 4.2 m. Length: 14.0 m. Propellants: N2O4/UDMH No Engines: 4. RD-0210

• Stage Number: 3. 1 x Proton K-3 Gross Mass: 50,747 kg. Empty Mass: 4,185 kg. Thrust (vac): 64,260 kgf. Isp: 325 sec. Burn time: 238 sec. Isp(sl): 230 sec. Diameter: 4.2 m. Span: 4.2 m. Length: 6.5 m. Propellants: N2O4/UDMH No Engines: 1. RD-0212

• Stage Number: 4. 1 x Proton 17S40 Gross Mass: 14,600 kg. Empty Mass: 3,300 kg. Thrust (vac): 8,670 kgf. Isp: 352 sec. Burn time: 450 sec. Diameter: 3.7 m. Span: 3.7 m. Length: 7.1 m. Propellants: Lox/Kerosene No Engines: 1. RD-58M

• Cosmos 2344 Spacecraft: Arkon-1. Payload: Arkon-1 s/n 1. Mass: 6,000 kg.

  First launch in a new series of electro-optical military reconnaisance satellites.

• 67 - Kaesmann, Ferdinand, et. al., Journal of the British Interplanetary Society, "Proton - Development of A Russian Launch Vehicle", 1998, Volume 51, page 3.
• 42 - Isakowitz, Steven J,, International Reference to Space Launch Systems Second Edition, AIAA, Washington DC, 1991.
• 151 - Clark, P S, Journal of the British Interplanetary Society, "Soviet Spacecraft Masses for Deep Space Missions", 1985, Volume 38, page 25.
• 219 - Mission Planner's Manual - Proton Commercial Launch Vehicle, Space Commerce Corporation, Houston, TX 1989.
• 274 - Vladimirov, A, Novosti kosmonavtiki, "Tablitsa zapuskov RN 'Proton' i 'Proton K'", 1998, Issue 10, page 25.

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R-7 vs Proton - R-7 / Proton LVs Cutaway Credit: © Mark Wade. 10,191 bytes. 287 x 720 pixels.

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Universal Rockets - Chelomei's Universal Rocket Family. From left to right: UR-200. Original UR-500 configuration, composed of clustered UR-200's. Conventional UR-500 monoblock configuration. Selected UR-500 polyblock configuration. UR-500 two-stage configuration as flown. UR-500K configuration with Block D upper stage. Credit: © Mark Wade. 36,031 bytes. 630 x 351 pixels.

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Proton with Granat - Proton with Granat payload Credit: Lockheed Martin. 18,616 bytes. 356 x 446 pixels.

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Proton Iridium - Proton Iridium payload preparation in former Buran payload facility. Credit: © Mark Wade. 38,943 bytes. 522 x 355 pixels.

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