A Subsonic Method for Predicting the Separation Trajectories of Aircraft Stores in the Pitch Plane
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING
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A subsonic three-degree-of-freedom method for predicting store separation trajectories is presented. The method combines the calculation of interference loading on aircraft stores due to F. Dan Fernandes with loads due to free air, ejector, and aerodynamic damping. Discussion of these loads is given, along with a presentation of the three-degree-of-freedom equations of motion and an approach to their solution. A computer program is developed and used to calculate trajectories for the M-117 bomb as carried on the inboard pylon of the F-4E. Comparisons of these trajectory profiles with wind tunnel captive-trajectory test results and existing theory are made. A users guide and computer listing, excluding those subroutines due to F. Dan Fernandes, are given. Recommendations are made for possible improvements to the newly developed method.
- Attack and Fighter Aircraft
- Fire Control and Bombing Systems