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The Terrier Orion
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.
As a standalone rocket, it has a maximum flight altitude of 85 km, a liftoff thrust of 7.00 kN, a total mass of 400 kg, a core diameter of 0.35 m and a total length of 5.60 m, launching a total of 67 times with no attached Terrier rocket.
The Terrier Orion sounding rocket
A sounding rocket or rocketsonde, sometimes called a research rocket or a suborbital rocket, is an instrument-carrying rocket designed to take measurements and perform scientific experiments during its sub-orbital flight. The rockets are often ...
is a combination of the Terrier
Terrier () is a Dog type, type of dog originally bred to hunt vermin. A terrier is a dog of any one of many Dog breed, breeds or landraces of the terrier Dog type, type, which are typically small, wiry, Gameness, game, and fearless. There are fi ...
booster rocket
A rocket (from , and so named for its shape) is a vehicle that uses jet propulsion to accelerate without using any surrounding air. A rocket engine produces thrust by reaction to exhaust expelled at high speed. Rocket engines work entirely ...
with the Orion
Orion may refer to:
Common meanings
* Orion (constellation), named after the mythical hunter
* Orion (mythology), a hunter in Greek mythology
Arts and media
Fictional entities Characters and species
* Orion (character), a DC Comics c ...
rocket used as a second stage. This spin stabilized configuration is most often used by the Goddard Space Flight Center
The Goddard Space Flight Center (GSFC) is a major NASA space research laboratory located approximately northeast of Washington, D.C., in Greenbelt, Maryland, United States. Established on May 1, 1959, as NASA's first space flight center, GSFC ...
, who operate out of the Wallops Flight Facility
Wallops Flight Facility (WFF) is a rocket launch site on Wallops Island on the Eastern Shore of Virginia, United States, just east of the Delmarva Peninsula and approximately north-northeast of Norfolk, VA, Norfolk. The facility is operated ...
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.Improved Orion
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.
As a standalone rocket, it has a maximum flight altitude of 85 km, a liftoff thrust of 7.00 kN, a total mass of 400 kg, a core diameter of 0.35 m and a total length of 5.60 m, launching a total of 67 times with no attached Terrier rocket.
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 propellant. The Terrier burns for approximately 5.2 seconds, and the ...
References
External links
{{commons category-inline, Terrier Orion Sounding rockets of the United States