Effect of protruding gasoline tanks upon the characteristics of an airfoil

Eastman N. Jacobs
naca-tn-249
Oct 1926


A 5-inch by 30-inch model duralumin airfoil having the Clark Y section, was used for this investigation. Two tank models were made of wood to fit the upper and lower surface of the airfoil.

An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1926/naca-tn-249.pdf