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Super Strypi
Part of Strypi Family
American orbital launch vehicle, designed for launch of multiple Cubesat and Nanosat payloads on a single launch. Spin-stablized, as the earlier Strypi sounding rocket, but otherwise using entirely new stages, launch vehicle, and guidance.

Consisted of 1 x LEO-46 + 1 x LEO-7 + 1 x LEO-1 Aerojet solid propellant stages.From Wikipedia:

SPARK, or Spaceborne Payload Assist Rocket - Kauai, also known as Super Strypi, was an American expendable launch system developed by the University of Hawaii, Sandia and Aerojet Rocketdyne. Designed to place miniaturized satellites into low Earth and sun-synchronous orbits, it was a derivative of the Strypi rocket which was developed in the 1960s in support of nuclear weapons testing. SPARK was 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.

SPARK was 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 was launched using a new rail-guided system. Payload was 250 kilograms (550 lb) to a 400-km sun-synchronous orbit . Launches werer conducted from the Pacific Missile Range Facility at Barking Sands. Aerojet Rocketdyne produced the motors for all three stages, and Sandia was the prime contractor for the rocket's systems. The United States Air Force provided launch support.



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