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Scout X-3
Part of Scout Family
Scout X3
Scout X3
Scout X3 - COSPAR 1964-015
American all-solid orbital launch vehicle. Four stage vehicle consisting of 1 x Algol 2A + 1 x Castor + 1 x Antares 2 + 1 x Altair

Status: Retired 1964. First Launch: 1962-12-16. Last Launch: 1964-03-27. Number: 6 . Payload: 87 kg (191 lb). Thrust: 513.40 kN (115,417 lbf). Gross mass: 17,350 kg (38,250 lb). Height: 24.00 m (78.00 ft). Diameter: 1.01 m (3.31 ft). Apogee: 185 km (114 mi).

LEO Payload: 87 kg (191 lb) to a 185 km orbit. Flyaway Unit Cost 1985$: 8.910 million.

Stage Data - Scout X-3

  • Stage 1. 1 x Algol 2. Gross Mass: 11,600 kg (25,500 lb). Empty Mass: 1,650 kg (3,630 lb). Thrust (vac): 564.245 kN (126,847 lbf). Isp: 255 sec. Burn time: 47 sec. Isp(sl): 232 sec. Diameter: 1.01 m (3.31 ft). Span: 1.01 m (3.31 ft). Length: 9.09 m (29.82 ft). Propellants: Solid. No Engines: 1. Engine: Algol 2. Status: Out of Production.
  • Stage 2. 1 x Castor 1. Gross Mass: 3,852 kg (8,492 lb). Empty Mass: 535 kg (1,179 lb). Thrust (vac): 286.001 kN (64,296 lbf). Isp: 247 sec. Burn time: 27 sec. Isp(sl): 232 sec. Diameter: 0.79 m (2.59 ft). Span: 0.79 m (2.59 ft). Length: 5.92 m (19.42 ft). Propellants: Solid. No Engines: 1. Engine: M33-20-4. Status: Out of Production.
  • Stage 3. 1 x Antares 2. Gross Mass: 1,400 kg (3,000 lb). Empty Mass: 300 kg (660 lb). Thrust (vac): 93.094 kN (20,928 lbf). Isp: 293 sec. Burn time: 36 sec. Isp(sl): 233 sec. Diameter: 0.78 m (2.55 ft). Span: 0.78 m (2.55 ft). Length: 2.90 m (9.50 ft). Propellants: Solid. No Engines: 1. Engine: X-259. Status: Out of Production.
  • Stage 4. 1 x Altair 1A. Gross Mass: 390 kg (850 lb). Empty Mass: 181 kg (399 lb). Thrust (vac): 13.788 kN (3,100 lbf). Isp: 255 sec. Burn time: 40 sec. Isp(sl): 232 sec. Diameter: 0.46 m (1.50 ft). Span: 0.46 m (1.50 ft). Length: 2.50 m (8.20 ft). Propellants: Solid. No Engines: 1. Engine: X-248A. Status: Out of Production.

Family: all-solid, orbital launch vehicle. Country: USA. Spacecraft: Transit, S-55, Ariel, Program 35. Projects: Explorer. Launch Sites: Wallops Island, Vandenberg, Wallops Island LA3, Vandenberg SLC5. Stages: Altair 1, Altair 1A, Algol 2, Antares 2, Castor 1. Agency: Vought.


Photo Gallery

ScoutScout
Credit: © Mark Wade



1962 December 16 - . 14:33 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3. LV Family: Scout. Launch Vehicle: Scout X-3.
  • Explorer 16 - . Payload: S-55B. Mass: 100 kg (220 lb). Nation: USA. Agency: NASA. Program: Explorer. Class: Earth. Type: Micrometeoroid satellite. Spacecraft Bus: S-55. Spacecraft: S-55. USAF Sat Cat: 506 . COSPAR: 1962-B-Chi-1. Apogee: 1,159 km (720 mi). Perigee: 744 km (462 mi). Inclination: 52.0000 deg. Period: 104.10 min. Micrometeoroid data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .

1962 December 19 - . 01:25 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout X-3.
  • Transit 5A - . Payload: Transit 5A-1. Mass: 61 kg (134 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Transit. Spacecraft: Transit. Decay Date: 1986-09-25 . USAF Sat Cat: 509 . COSPAR: 1962-B-Psi-1. Apogee: 347 km (215 mi). Perigee: 336 km (208 mi). Inclination: 90.6000 deg. Period: 91.40 min. First operational solar-powered prototype; failed first day. The satellite verified a new technique for deploying the solar panels and for separating from the rocket, but otherwise it was not successful because of trouble with the power system..

1963 April 5 - . 03:01 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout X-3. FAILURE: Failure.. Failed Stage: U.
  • Transit 5A-2 - . Payload: Transit 5A-2. Mass: 84 kg (185 lb). Nation: USA. Agency: USAF. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Transit. Spacecraft: Transit. Decay Date: 1963-04-05 . Replacement for the failed Transit 5A; failed to reach orbit..

1963 May 22 - . 04:38 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3. LV Family: Scout. Launch Vehicle: Scout X-3.
  • RFD-1 re-entry vehicle test flight - . Nation: USA. Agency: NASA. Apogee: 145 km (90 mi).

1963 June 16 - . 01:49 GMT - . Launch Site: Vandenberg. Launch Complex: Vandenberg SLC5. LV Family: Scout. Launch Vehicle: Scout X-3.
  • Transit 5A-3 - . Payload: Transit 5A-3. Mass: 55 kg (121 lb). Nation: USA. Agency: USN. Program: Transit. Class: Navigation. Type: Navigation satellite. Spacecraft Bus: Transit. Spacecraft: Transit. Decay Date: 1990-08-03 . USAF Sat Cat: 594 . COSPAR: 1963-022A. Apogee: 360 km (220 mi). Perigee: 350 km (210 mi). Inclination: 89.8000 deg. Period: 91.60 min.

    First operational prototype with a redesigned power supply. A malfunction of the memory occurred during powered flight that kept it from accepting and storing navigation messages, and the oscillator stability was degraded during launch. The satellite could not be used for navigation, but it was the first to achieve gravity-gradient stabilization, and its other subsystems performed well.


1964 March 27 - . 17:25 GMT - . Launch Site: Wallops Island. Launch Complex: Wallops Island LA3. LV Family: Scout. Launch Vehicle: Scout X-3.
  • Ariel 2 - . Payload: UK 2 (UK-C). Mass: 68 kg (149 lb). Nation: UK. Agency: DSIR. Class: Earth. Type: Magnetosphere satellite. Spacecraft Bus: Ariel. Spacecraft: Ariel. Decay Date: 1967-11-18 . USAF Sat Cat: 771 . COSPAR: 1964-015A. Apogee: 1,349 km (838 mi). Perigee: 287 km (178 mi). Inclination: 51.7000 deg. Period: 101.30 min. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .


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