PWN-9 Kangaroo
FunctionSounding rocket
ManufacturerUnited Technologies Corporation
Country of originUnited States
Size
Height3.0 metres (10 ft)
Diameter170 millimetres (6.5 in)
StagesTwo
Launch history
StatusCanceled
Launch sitesPoint Mugu
First flight1969
First stage โ€“ Booster
Diameter170 millimetres (6.5 in)
Powered by1
PropellantSolid
Second stage โ€“ Dart
Height1.2 metres (4 ft)
Diameter41.3 millimetres (1.625 in)
Powered by1
Maximum thrustUnpowered
PropellantNone

The XPWN-9A Kangaroo was a project to develop a sounding rocket intended for use by the United States Navy. Using an unconventional design, flight tests were unsuccessful, and it was not put into production.

History

The Kangaroo was designed as a "boosted dart" type rocket, the unpropelled "dart" containing the payload being housed within the solid booster rocket's propellant, where, upon burnout, it would be ejected from the rocket by a pyrotechnic device.[1] Rail launched, Kangaroo was intended to be used to measure radiation levels and the density of micrometeorites prior to the launch of crewed space flights.[2]

The initial design of what was then called Kangaroo-Dart was developed by the Aeromachnics Branch of the U.S. Navy's Pacific Missile Range.[1] Detailed design was performed by Aerojet;[3] however when bids for developing the prototype, given the designation XPWN-9A, were requested, United Technologies Corporation submitted the winning bid and was given a contract for construction of prototypes in November 1969.[3]

Flight trials of the Kangaroo booster were undertaken at the Pacific Missile Range at Point Mugu; they proved unsuccessful, and production of the rocket was not undertaken.[3]

References

Citations

  1. 1 2 Bollermann 1970, p.337.
  2. โ†‘ "Sounding rocket from UTC". Flight International, 15 January 1970, p.101. Accessed 2014-05-11.
  3. 1 2 3 Parsch 2003

Bibliography

  • Bollermann, Bruce (1970). A Study of 30 Km to 200 Km Meteorological Rocket Sounding Systems: Literature and data review. Huntsville, AL: National Aeronautics and Space Administration: George C. Marshall Space Flight Center. ASIN B007FBI6OO.
  • Parsch, Andreas (2003). "Aerojet/UTC PWN-9 Kangaroo". Directory of U.S. Military Rockets and Missiles. designation-systems.net. Retrieved 2014-05-11.
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