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Family: R-7. Country: Russia. Status: Hardware. Library of Congress Designation: A. Department of Defence Designation: SL-2. Article Number: 8A91.
Modified R-7 ICBM used to launch Sputnik 3.
SpecificationsLaunches: 2. Failures: 1. Success Rate: 50.00% pct. First Launch Date: 27 April 1958. Last Launch Date: 15 May 1958. LEO Payload: 1,327 kg. to: 217 km Orbit. at: 65.0 degrees. Liftoff Thrust: 385,950 kgf. Total Mass: 269,300 kg. Core Diameter: 3.0 m. Total Length: 31.0 m. Flyaway Unit Cost $: 33.00 million. in 1985 unit dollars.
- Stage Number: 0. 4 x Sputnik 8A91-0 Gross Mass: 43,000 kg. Empty Mass: 3,400 kg. Thrust (vac): 99,000 kgf. Isp: 310 sec. Burn time: 130 sec. Isp(sl): 252 sec. Diameter: 2.7 m. Span: 2.7 m. Length: 19.0 m. Propellants: Lox/Kerosene No Engines: 1. RD-107-8D76
- Stage Number: 1. 1 x Sputnik 8A91-1 Gross Mass: 95,000 kg. Empty Mass: 7,100 kg. Thrust (vac): 82,000 kgf. Isp: 315 sec. Burn time: 360 sec. Isp(sl): 246 sec. Diameter: 3.0 m. Span: 3.0 m. Length: 28.0 m. Propellants: Lox/Kerosene No Engines: 1. RD-108-8D77
Sputnik 8A91 Chronology
1958 Apr 27 - LV Configuration: Sputnik 8A91 s/n B1-2. Launch Site: Baikonur . Launch Complex: LC1. FAILURE: Launch vehicle disintegrated 88 seconds after liftoff.
- Sputnik failure Spacecraft: Sputnik 3. Payload: D-1 s/n 1.
1958 May 15 - - 08:00 GMT. LV Configuration: Sputnik 8A91 s/n B1-1. Launch Site: Baikonur . Launch Complex: LC1.
Bibliography:- 89 - Semenov, Yu. P., S P Korolev Space Corporation Energia, RKK Energia, 1994.
- 150 - Clark, P S, Journal of the British Interplanetary Society, "Soviet Spacecraft Masses for Earth Orbital Programmes", 1985, Volume 38, page 19.
- 173 - Varfolomyev, Timothy, Spaceflight, "Soviet Rocketry that Conquered Space - Part 1", 1995, Volume 37, page 260.
- 178 - Varfolomyev, Timothy, Spaceflight, "Soviet Rocketry that Conquered Space - designatons", 1996, Volume 38, page 317.
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Last update 12 March 2001.
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