Tests of Nacelle-Propeller Combinations in Various Positions with Reference to Wings IV : Thick Wing - Various Radial-Engine Cowlings - Tandem Propellers (1935)
NASA Technical Reports Server (NTRS) · leaf 10
Small nacelle, cowling ring front and rear Figure 7.—Small nacelle with various cowlings in three different locations.
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
