Inside Out Library · ExploreDrag Tests of 4/9-Scale Model Engine Nacelles with Various Cowlings (1932)NASA Technical Reports Server (NTRS) · leaf 15I.A.C.A. lat^Cfd lote lo. 422 Fig. 4 … rig. 4NASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from Drag Tests of 4/9-Scale Model Engine Nacelles with Various CowlingsMore like this
