Abstract
A new method is introduced to locate the partitions in external fuel tanks, a.k.a. drop tanks of combat aircraft. Using operational requirements to simplify the fuel transfer sequence, an optimization algorithm is developed to reduce the variation in aircraft Centre of Gravity (CG). A conservative limit on the CG effect of fuel slosh is introduced. This method results in locating the tank partitions such that dynamic effects on CG-variation are minimized. The method can be generalized and used in the design of any external drop tank. This ab-initio method is developed based on the experience gained in the development of a legacy fighter aircraft fuel system.
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