Velocity field data on-wing measurement in gliding flight from Multi-cored vortices support function of slotted wing tips of birds in gliding and flapping flight Marco KleinHeerenbrink L. Christoffer Johansson Anders Hedenström 10.6084/m9.figshare.4982639.v1 https://rs.figshare.com/articles/dataset/Velocity_field_data_on-wing_measurement_in_gliding_flight_from_Multi-cored_vortices_support_function_of_slotted_wing_tips_of_birds_in_gliding_and_flapping_flight/4982639 Vector data of figure 1d in tab separated text format (x [mm], y [mm], u [m/s], v [m/s]) 2017-05-08 10:41:06 animal flight slotted wing tips separated outer primary feathers flight efficiency jackdaw Corvus monedula wind tunnel