tavarish palkovnik Posted 2 hours ago Posted 2 hours ago Could somebody help to solve one dilemma about Sidewinders Seems like there are three different propellant grain forms through history of Sidewinder motors -> -first one is internally burning star (most probably 8-point star) and this grain was in AIM-9 -second one is internally burning 6-point star with cylindrical exit and nozzle was submerged. This grain form was in motors of AIM-9C and 9D (CTPB based composite) also in AIM-9L but with double based propellant. And most probably in few more Sidewinders, I guess AIM-9M is in this group -this is third grain form Internally burning cylinder with slotted aft end (most likely 6 slots). This same grain form is in AIM-9X but in that motor nozzle is extremely positioned and with jet vanes included. Question is…what Sidewinder before 9X model could have motor with such grain configuration? Nozzle is still submerged as in Mk36 series and I doubt this motor remained in 36 nomenclature. It is some AIM-9 between L and X but I don’t know which one it could be
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