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The Terrier Orion sounding rocket is a combination of the
The Terrier Orion sounding rocket is a combination of the Terrier
Terrier (from Latin ''terra'', 'earth') is a type of dog originally bred to hunt vermin. A terrier is a dog of any one of many breeds or landraces of the terrier type, which are typically small, wiry, game, and fearless. Terrier breeds vary ...
booster rocket
A rocket (from it, rocchetto, , bobbin/spool) is a vehicle that uses jet propulsion to accelerate without using the surrounding air. A rocket engine produces thrust by reaction to exhaust expelled at high speed. Rocket engines work entirely fr ...
with the Orion rocket used as a second stage. This spin stabilized configuration is most often used by the Goddard Space Flight Center, who operate out of the Wallops Flight Facility for sounding rocket operations. The system supports payloads ranging from , and is capable of achieving altitudes as high as , but at least , depending on payload size.
Technical details
The Terrier Orion system is designed to be rail launched, and can be supported at most fixed and mobile launch sites. The Terrier Mk 12 Mod 1 or Mk 70 rocket used for the first stage uses an diameter motor along with cruciform configured tail fins. The Improved Orion motor used in the second stage is in diameter and long. The system typically uses spin motors and has a total weight of approximately , excluding payload. The Improved Orion motor uses a "bi-phase propellant" system which provides it with around of thrust during the first four seconds of motor burn. The thrust then tails off to approximately of thrust until burnout occurs at around 25 seconds. The fins are normally configured so that the rocket will have a stabilizing spin rate of approximately four cycles per second.See also
*Terrier Oriole
Terrier Oriole is an unguided two-stage rocket system which is primarily used by the Goddard Space Flight Center out of the Wallops Flight Facility as a sounding rocket. The system uses a Terrier first-stage booster attached to an Oriole second-st ...
* Terrier Malemute
The Terrier Malemute is a two-stage American sounding rocket typically used for smaller payloads (less than ). Both the Terrier first stage and the Malemute second stage use solid fuel. The Terrier burns for approximately 5.2 seconds, and the Male ...
References
External links
{{commons category-inline, Terrier Orion Sounding rockets of the United States