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External Store Airloads Prediction Technique. Volume 2. Detailed Data. Book 2. Single Carriage Airloads Predictions
Final rept. 8 Jan 1973-30 Jun 1975
LTV AEROSPACE CORP DALLAS TX VOUGHT SYSTEMS DIV
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The technique for predicting single carriage six-component captive airloads is presented in this section. Each of the six airload components are presented in separate subsections. Each airload component subsection is ordered into additional subsections for predicting the basic captive airload, the incremental airload due to aircraft yaw, and the incremental airload due to adjacent store interference. The basic captive airload prediction method is generated from tunnel data obtained by a zero-yaw pitch excursion of the parent aircraft. The aircraft yaw airloads data are generated by a pitch excursion of the parent aircraft at selected constant yaw angles. The incremental airloads due to aircraft yaw are obtained from the difference between the yawed pitch polar and the zero-yaw pitch polar basic captive airload. The incremental airloads due to adjacent store interference were obtained as the difference between the airloads experienced by the captive store with and without the presence of an adjacent store through a zero-yaw pitch excursion of the parent aircraft.
APPROVED FOR PUBLIC RELEASE