The Drag of C Class Airship Hull with Varying Length of Cylindric Midships (1923)
NASA Technical Reports Server (NTRS) · leaf 8
7 DRAG OF C CLASS AIRSHIP HULL. … Fig. 6.—"C Class" airship hull with cylindric midships. Fiu. 3.—"'C Class" airship hull with cylindric midships. Resistance and shape coefficients for Resistance at various wind speeds. various midship lengths.
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.