The drag and interference of a nacelle in the presence of a wing

Jacobs, Eastman N
naca-tn-320
October 1929


A wing interference investigation was conducted to determine why the N.A.C.A. cowling did not yield the expected increase in speed when adapted to the outboard nacelles of trimotored airplanes.

An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1929/naca-tn-320.pdf