The forces and moments acting on parts of the XN2Y-1 airplane during spins (1937)
NASA Technical Reports Server (NTRS) · leaf 2
307 ma FORCES AND MOMENTS AOTmo ON PABTS OF THE XN2Y-1 AIKPIiANE DURING SPINS FlotJBE 2.—Orifice positions and pressure and force curves for right-hand spins. (Forces plotted torlghtoruparelnto the page on the side elevation of the airplane.)
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.