Tank tests of flat and v-bottom planning surfaces
A 1934 NACA technical note from the NASA Technical Reports Server, presenting tank test results for flat and V-bottom planing surfaces, aimed at aeronautical engineers studying seaplane hull behaviour. The single picture is a dense multi-panel line chart with curves of resistance, wetted length and centre of pressure plotted against speed in feet per second, each curve labelled by load in pounds. A designer might take from it the clean, grid-based graphing style, with stacked plots and labelled parameter curves.
