Case D (10) N.A.C.A. Technical Note, No.314 Plight No.l, Straightaway, 90 M.P.H. Elapsed time, 2130" Hotel Pilot was climbing throughout flight, control was very steady, , slight tendency to fall off when stalling speeds were reached. (60 M.P.H.)
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.