SPARK (rocket)

American expendable launch system

SPARK

Super Strypi rocket on the launch pad

Function| Expendable launch system
Manufacturer| University of Hawaii
Aerojet Rocketdyne
Sandia
Country of origin| United States
Size
Height| 17 m (56 ft)[1]
Diameter| 1.5 m (4 ft 11 in) [1]
Mass| 28,240 kg (62,260 lb) [1]
Stages| Three
Capacity
Payload to 400 km SSO
Mass| 250 kilograms (550 lb)
Associated rockets
Family| Strypi
Launch history
Status| In development
Launch sites| Barking Sands
Total launches| 1
Success(es)| 0
Failure(s)| 1
First flight| 3 November 2015

[edit on Wikidata]

SPARK, or Spaceborne Payload Assist Rocket - Kauai, also known as Super Strypi,[2] is an American expendable launch system developed by the University of Hawaii, Sandia and Aerojet Rocketdyne.[3] Designed to place miniaturized satellites into low Earth and Sun-synchronous orbits, it is a derivative of the Strypi rocket which was developed in the 1960s in support of nuclear weapons testing. SPARK is being developed under the Low Earth Orbiting Nanosatellite Integrated Defense Autonomous System (LEONIDAS) program, funded by the Operationally Responsive Space Office of the United States Department of Defense.

## Configuration

[edit]

SPARK is designed as a three-stage all-solid carrier rocket, with a spin-stabilized first stage known as LEO-46 and an active attitude control system on the second and third stages. It is launched using a new rail-guided system.[4] It is expected to have a payload capacity of 250 kilograms (550 lb) to a Sun-synchronous orbit at an altitude of approximately 400 kilometres (250 mi).[5] Launches will be conducted from the Pacific Missile Range Facility at Barking Sands.[6] Aerojet Rocketdyne will produce the motors for all three stages and Sandia is the prime contractor for the rocket's systems. The United States Air Force has provided launch support.

## History

[edit]

### ORS-4

[edit]

See also: Operationally Responsive Space Office § ORS-4

The first launch of SPARK, named ORS-4, took place on November 3, 2015[7] and was carrying HiakaSat (formerly called HawaiiSat-1[1]) and several secondary payloads,[4][8] including the Edison Demonstration of Smallsat Networks.[9] The mission was supposed to test the rocket at its full payload capacity. However, telemetry showed the rocket tumbling soon after liftoff, and the U.S. Air Force released a statement, saying that the "experimental Super Strypi launch vehicle failed in mid-flight shortly after liftoff".[10][11]

## References

[edit]

1. ^ a b c d Graham, William (November 3, 2015). "Super Strypi conducts inaugural launch – Fails during first stage". NASA Spaceflight. Archived from the original on 2015-11-08. Retrieved 2015-11-11.
2. ^ "HawaiiSat-1". eoPortal Directory. Archived from the original on 20 January 2012. Retrieved 20 January 2012.
3. ^ Krebs, Gunter. "SPARK". Gunter's Space Page. Archived from the original on 15 January 2012. Retrieved 20 January 2012.
4. ^ a b Stephen Clark (30 October 2015). "Inaugural launch of small-class rocket on hold in Hawaii". Spaceflight Now. Archived from the original on 31 October 2015. Retrieved 30 October 2015.
5. ^ "Overview" (PDF). Hawaii Space Flight Laboratory. Archived from the original (PDF) on 31 January 2012. Retrieved 20 January 2012.
6. ^ Taylor, Brian. "Innovative Satellite Launch Program" (PDF). School of Ocean and Earth Science and Technology, University of Hawaii. Archived from the original (PDF) on 31 January 2012. Retrieved 20 January 2012.
7. ^ "Spaceflight now". Archived from the original on 2012-06-09. Retrieved 2014-05-31.
8. ^ "Missions". Hawaii Space Flight Laboratory, University of Hawaii. Archived from the original on 8 January 2012. Retrieved 20 January 2012.
9. ^ Hall, Loura. "Swarming Space for Science". NASA. Archived from the original on 2015-11-05. Retrieved 2015-11-01.
10. ^ "Live coverage: Maiden flight of Super Strypi launcher fails". Spaceflightnow.com. Archived from the original on 2015-11-06. Retrieved 2015-11-06.
11. ^ "'Super Strypi' Rocket Suffers Failure Shortly After Launch". Grasswire.com. Archived from the original on 2015-12-22. Retrieved 2015-11-03.

Wikimedia Commons has media related to Super Strypi.

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* This template lists historical, current, and future space rockets that at least once attempted (but not necessarily succeeded in) an orbital launch or that are planned to attempt such a launch in the future
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