Kentucky Re-entry Universal Payload System (KRUPS): Overview of flight test via high-altitude balloon

The Kentucky Re-entry Universal Payload System (KRUPS) is a small re-entry capsule designed as a technology testbed. For its first incarnation, KRUPS has been designed to test Thermal Protection System (TPS) material and instrumentation. TPS are used to protect spacecraft, and its payload, from the extreme conditions of planetary entry. KRUPS has been developed at the University of Kentucky over the past 6 years. This specific launch aimed to produce system verification, software implementation, and launch qualifications, using an atmospheric balloon platform. The capsule released from the balloon in this experiment, was designed to transmit data using the Iridium satellite network. Recovery of the capsule was planned, using a parachute that aimed at preventing a crash landing and thus protecting the internal components. The capsule was activated and ejected as planned. Thermal measurements of the TPS were received by the capsule as it returned to Earth. This satisfied the main objective of the flight. However, the capsule did not have a successful parachute deployment, due to a timing issue. Therefore, the capsule was not able to be recovered in one piece. The thermal data measured during the descent of this capsule demonstrated the insulative properties of the TPS.