Scout E1 - Scout E1 - COSPAR 1974-040 9,245 bytes. 115 x 461 pixels.

Launches: 2. Failures: 1. Success Rate: 50.00% pct. First Launch Date: 07 May 1975. Last Launch Date: 06 December 1975. LEO Payload: 193 kg. to: 185 km Orbit. Liftoff Thrust: 40,330 kgf. Total Mass: 20,680 kg. Core Diameter: 1.1 m. Total Length: 25.0 m. Flyaway Unit Cost $: 8.66 million. in 1985 unit dollars.

• Stage Number: 1. 1 x Algol 3 Gross Mass: 14,320 kg. Empty Mass: 1,600 kg. Thrust (vac): 48,121 kgf. Isp: 284 sec. Burn time: 75 sec. Isp(sl): 238 sec. Diameter: 1.1 m. Span: 1.1 m. Length: 9.4 m. Propellants: Solid No Engines: 1. Algol 3

• Stage Number: 2. 1 x Castor 2 Gross Mass: 4,424 kg. Empty Mass: 695 kg. Thrust (vac): 26,402 kgf. Isp: 262 sec. Burn time: 37 sec. Isp(sl): 232 sec. Diameter: 0.8 m. Span: 0.8 m. Length: 6.0 m. Propellants: Solid No Engines: 1. TX-354-3

• Stage Number: 3. 1 x Antares 2 Gross Mass: 1,400 kg. Empty Mass: 300 kg. Thrust (vac): 9,493 kgf. Isp: 293 sec. Burn time: 36 sec. Isp(sl): 233 sec. Diameter: 0.8 m. Span: 0.8 m. Length: 2.9 m. Propellants: Solid No Engines: 1. X-259

• Stage Number: 4. 1 x Altair 3 Gross Mass: 301 kg. Empty Mass: 25 kg. Thrust (vac): 2,800 kgf. Isp: 280 sec. Burn time: 27 sec. Isp(sl): 255 sec. Diameter: 0.6 m. Span: 0.6 m. Length: 2.5 m. Propellants: Solid No Engines: 1. FW-4S,TEM640

• Explorer 53 Spacecraft: SAS. Payload: SAS C. Mass: 195 kg.

  Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

• DAD-B Spacecraft: DAD. Payload: DAD-B.

• Explorer (56) Spacecraft: DAD. Payload: DAD-A. Mass: 71 kg.

  Dual Air Density; air density experiments.

• 159 - Wilson, Andrew, Spaceflight, "Scout - NASA's Small Satellite Launcher", 1979, Volume 21, page 446.

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Scout Credit: © Mark Wade. 579 bytes. 36 x 252 pixels.

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Scout Credit: NASA. 27,800 bytes. 384 x 488 pixels.

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