Engineering:M55E1

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M55E1 is the designation of a United States solid fuel rocket that is used as the first stage of several expendable launch systems.

Uses

The M55E1 is used in the following systems:

  • Minuteman III
  • Minotaur

Earlier versions of the Minuteman used the M55A1 for the first stage.[1] The US Army Homing Overlay Experiment also used the M551E1 as the first stage.[2]

Key Facts

  • Manufacturer: Thiokol
  • First Launch: March 14, 1970
  • Liftoff Thrust: 935,000 kN (210,196 lbf)
  • Total Weight: 30,000 kg (66,000 lb)
  • Diameter: 1.68 m (5.51 ft)
  • Length: 16.0 m (52.00 ft)[3]

References

  1. ↑ Kyle, Ed. "Minuteman Launch Vehicle Flight History by Variant/Year (1959–2009)". Space Launch Report. http://www.spacelaunchreport.com/mmsum.txt. 
  2. ↑ Pasch, Andreas. "Directory of U.S. Military Rockets and Missiles". http://www.designation-systems.net/dusrm/app4/hoe.html. 
  3. ↑ Wade, Mark. "M55E1". Encyclopedia Astronautica. Archived from the original on 2008-08-30. https://web.archive.org/web/20080830050939/http://astronautix.com/lvs/m55e1.htm. 




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