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Yeah, "The Theory of Wing Sections" by Abbott and Von Doenhoff has a lot of great shapes for wings, not for fuselages. Most of the book is devoted to the laminar flow shapes in the "6" series. A 66021 is (6) a laminar shape, (6) thickest at 60% back, where it transitions to turbulent flow, (0) not cambered - a symmetrical wing and (21) 21% as thick as it is wide. The cd is about .04 at low angles of attack. Some earlier shapes were as low as .03, but were too fussy for safe flight.
PLEASE DON'T GET EXCITED ABOUT THESE SHAPES unless you are ready to use them exactly, with no seams, ripples, roughness, bugs or vibration, and understanding that turbulent flow will spread at 15 deg from the wheel openings.
To get away from wing shapes, which are designed for good lift with a stable center of pressure and options for flaps, with low drag, and find low-drag volume containers, search on "Bodies of Revolution." (Note to NSA robot - that is not a political comment.)
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