Scout X4 - Scout X4 - COSPAR 1964-084 11,595 bytes. 105 x 427 pixels.

Launches: 16. Failures: 1. Success Rate: 93.75% pct. First Launch Date: 28 June 1963. Last Launch Date: 27 April 1968. LEO Payload: 103 kg. to: 185 km Orbit. Liftoff Thrust: 52,350 kgf. Total Mass: 17,250 kg. Core Diameter: 1.0 m. Total Length: 25.0 m. Flyaway Unit Cost $: 8.61 million. in 1985 unit dollars.

• Stage Number: 1. 1 x Algol 2 Gross Mass: 11,600 kg. Empty Mass: 1,650 kg. Thrust (vac): 57,537 kgf. Isp: 255 sec. Burn time: 47 sec. Isp(sl): 232 sec. Diameter: 1.0 m. Span: 1.0 m. Length: 9.1 m. Propellants: Solid No Engines: 1. Algol 2

• Stage Number: 2. 1 x Castor 1 Gross Mass: 3,852 kg. Empty Mass: 535 kg. Thrust (vac): 29,164 kgf. Isp: 247 sec. Burn time: 27 sec. Isp(sl): 232 sec. Diameter: 0.8 m. Span: 0.8 m. Length: 5.9 m. Propellants: Solid No Engines: 1. M33-20-4

• 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 2 Gross Mass: 275 kg. Empty Mass: 37 kg. Thrust (vac): 2,268 kgf. Isp: 266 sec. Burn time: 28 sec. Isp(sl): 242 sec. Diameter: 0.6 m. Span: 0.6 m. Length: 2.5 m. Propellants: Solid No Engines: 1. X-258

• GRS Spacecraft: GRS. Payload: CRL 1. Mass: 99 kg.

  Geophysical Research Satellite; space gas data. Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).

• Explorer 19 Spacecraft: ADE. Payload: ADE A. Mass: 7 kg.

  12 foot dia. balloon; identical to Explorer 9; atmospheric density studies. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

• Transit 9 Spacecraft: Transit. Payload: Transit 5C. Mass: 54 kg.

• ESRS Spacecraft: ESRS. Payload: CRL 2. Mass: 79 kg.

  Environmental Sciences Research Satellite.

• SERT 1 Spacecraft: SERT.

  Suborbital 30 minute test of NASA SERT ion engine.

• Reentry 4A Spacecraft: Reentry.

  Suborbital. Scout launch tested Apollo-type ablator materials at lunar reentry heating levels.

• Explorer 20 Spacecraft: IE. Payload: IE A (S-48 Ionosphere Explorer). Mass: 44 kg.

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

• Explorer 22 Spacecraft: Beacon. Payload: Beacon Explorer B. Mass: 52 kg.

  Ionospheric and geodetic data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space.

• Explorer 23 Spacecraft: S-55. Payload: S-55C. Mass: 134 kg.

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

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

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• Explorer 24 Spacecraft: ADE. Payload: ADE B. Mass: 9 kg.

  12 foot dia. balloon; atmospheric density studies. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

• Explorer 25 Spacecraft: Injun. Payload: Injun 4. Mass: 40 kg.

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

• San Marco 1 Spacecraft: San Marco. Mass: 254 kg.

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

• Explorer 27 Spacecraft: Beacon. Payload: Beacon Explorer C. Mass: 60 kg.

  Battery failed in 1968; ionospheric research and geodetic data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space.

• Explorer 30 Spacecraft: IQSY. Payload: Solar Explorer A. Mass: 57 kg.

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

• FRANCE 1 Spacecraft: FRANCE. Payload: FR 1. Mass: 60 kg.

  VLF wave propagation studies. Investigation of the properties of the ionized layers of the atmosphere by observation of the propagation of the properties of very low frequency waves in the ionosphere. First registered by the United States in A/AC.105/INF.125. Orbit given there was 99 .9 min, 749 x 753 km x 75.9 deg, with note: France provided the payload for 1965-101A.

• Reentry 4B Spacecraft: Reentry.

  Suborbital.

• Reentry 5 Spacecraft: Reentry.

  Suborbital.

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