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This research work develops the design of a CanSat payload assisted with an Autogyro system for a controlled descent in experimental rocket flights. The design, development, Computational fluid dynamics (CFD) analysis, and a preliminary test on free-fall had been carried out. The data obtained from this study and test allowed us to determine the relationship between the drag coefficient and the projected geometry of the CanSat by using CFD simulation and data such as speed and acceleration from the free-fall test. The results allowed us to propose an estimation for the drag coefficient behavior on the speed range studied.