Part span sharpened leading-edges were attached to the wing to produce regions of separated flow. Flight measurements were made of both the spectra and root-mean-square intensity of the pressure fluctuations at orifices ...

Aileron and elevator hinge-moment derivatives have been extracted from flight tests on the Fairey Delta 2 in which the dynamic aircraft response, to control pulses was recorded. As this method is not widely used, and has ...

The handling of the BAC 221 slender-ogee-wing research aircraft, at speeds down to 114 knots ias and incidences up to 22°, is described. Pilots considered the aircraft handling as pleasant, in general. The mayor problems ...