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RM-90 Blue Scout II

From Wikipedia, the free encyclopedia

RM-90 Blue Scout II
Mercury-Scout-1.jpg
FunctionExpendable launch system
Sounding rocket
ManufacturerVought
Country of originUnited States
Size
Height24 metres (79 ft)
Diameter1.02 metres (3 ft 4 in)
Mass16,874 kilograms (37,201 lb)
StagesFour
Capacity
Payload to LEO
Mass30 kilograms (66 lb)
Associated rockets
FamilyScout
Launch history
StatusRetired
Launch sitesCanaveral LC-18B
Total launches3
Success(es)2
Failure(s)1
First flight1961-03-03
Last flight1961-11-01
First stage – Algol 1B
Engines1 solid
Thrust471 kilonewtons (106,000 lbf)
Specific impulse236 sec
Burn time40 seconds
PropellantSolid
Second stage – Castor 1A
Engines1 solid
Thrust286 kilonewtons (64,000 lbf)
Specific impulse247 sec
Burn time27 seconds
PropellantSolid
Third stage – Antares 1A
Engines1 X-254
Thrust60 kilonewtons (13,000 lbf)
Specific impulse256 sec
Burn time39 seconds
PropellantSolid
Fourth stage – Altair 1A
Engines1 X-248A
Thrust14 kilonewtons (3,100 lbf)
Specific impulse255 sec
Burn time40 seconds
PropellantSolid

The RM-90 Blue Scout II was an American sounding rocket and expendable launch system which was flown three times during 1961. It was used for two HETS test flights, and the launch of the Mercury-Scout 1 satellite for NASA. It was a member of the Scout family of rockets.

The Blue Scout II was a military version of the NASA-operated Scout X-1.

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Transcription

Launches

All three launches occurred from Launch Complex 18B at the Cape Canaveral Air Force Station, the same launch pad used for the Blue Scout I.

The first two launches were successfully conducted on 3 March and 12 April 1961 respectively, using vehicles D-4 and D-5. They both carried HETS A2 plasma research experiments on suborbital trajectories.

The third launch was conducted on 1 November, using vehicle D-8, with the Mercury-Scout 1 satellite for NASA, which was intended to reach low Earth orbit. The launch failed after the rocket went out of control, and was destroyed by the range safety officer 43 seconds after liftoff.

References

  • Wade, Mark. "Scout". Encyclopedia Astronautica. Retrieved 2009-06-20.
  • Krebs, Gunter. "Scout". Gunter's Space Page. Retrieved 2009-06-20.
  • McDowell, Jonathan. "Scout". Orbital & Suborbital Launch Database. Jonathan's Space Page. Retrieved 2009-06-20.
  • Heyman, Jos; Parsch, Andreas (2007-07-09). "LTV SLV-1 Scout". Appendix 3: Space Vehicles. Directory of U.S. Military Rockets and Missiles. Retrieved 2009-06-20.
This page was last edited on 7 May 2021, at 21:06
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