Flight tests of two airplanes having moderately high effective dihedral and different directional stability and control characteristics

NACA WARTIME REPORTS are reprints of papers originally issued to provide rapid distribution of advance research results to an authorized group requiring them for the war effort.They were previously held under a security status but are now unclassified.Some of these reports were not technically edited.A l l have been reproduced without change in order to expedite general distribution.