The Old-Fashioned Curves of the SBD Engine Cowling

This relatively short post contains a digression about the aircraft shape. It was sparked by a suggestion that I received. Some time ago Alan from SOARING Simulator.com pointed me that the SBD NACA cowling was not as smooth as in my model (thanks, Alan!). He suggested that its contour was created from a combination of two or three arcs and a straight segment (Figure 47‑1):

0047-01
Figure 47-1 A different concept of the NACA cowling contour

Continue reading The Old-Fashioned Curves of the SBD Engine Cowling

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