Estimates of the vertical-tail loads of a Bell P-63A-1 airplane (AAF No. 42-68889) in accelerated rolling maneuvers based on flight tests with two vertical-tail arrangements

NACA WARTIME REPORTS are reprints of papers originally issued tu provide r apid distribution of advance research results to an authorized group requiring t em for the war effort.They 'Were previously held under a security status but are now unclassiiled.Some of these reports were not technically edited.All have been reproduced without change in order to expedite general distribution.