Research data for: Passive Perching with Energy Storage for Winged Aerial Robots by W. Stewart, L. Guarino, Y. Piskarev, and D. Floreano. http://doi.org/10.1002/aisy.202100150 Each .csv file has headings giving what variable is in the column and the units. Files: claw_holding_force.csv � data from figure 7 drop_positions_and_speeds.csv � data from figure 8 minimum_diameter_of_perch.csv � data from figure 6d minimum_perching_energy_for_different_perch_diameters.csv � data from figure S1 precision_required_to_hit_claw.csv � data from figure 6c speed_required_for_successful_perch.csv � data from figure 5