Flight-test data on the static fore-and-aft stability of various German airplanes (1933)
NASA Technical Reports Server (NTRS) · leaf 11
NjA.C.A. Technical Memorandum tfo.708 Pig. 3 A 19 ^ i 0 4 8 12 16 20 Feet 6 Meters … Per cent t m e.g. position r 12 8 a, Full throttle 4 D, No load 0 _4 18 22 26 30 34 38 4 2 46 Per cent tm e.g. position r Figure 3.-Two-view drawings of Udet U 12a "Flamingo" and test data on static stability with elevator locked.
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.