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Development of Payload Kick Motor for KSR-III 1. Design of Downscaled Structure & Processing Method  

조인현 (한국항공우주연구원 우주발사체 사업단)
박재성 (한국항공우주연구원 우주발사체 사업단)
오승협 (한국항공우주연구원 우주발사체 사업단)
Publication Information
Composites Research / v.16, no.2, 2003 , pp. 1-8 More about this Journal
Abstract
Thus paper summarizes the procedures to develop the downscaled payload kick motor for KSR-III by KARI. Filament winding-a well-known method of manufacturing composite motor case - is adopted to reduce structural weight. Netting and lamination theories are used to determine adequate winding thickness under required internal pressure. Dome shapes are designed considering feasible winding patterns and easiness of mandrel manufacturing. T-800 carbon fiber and Novolac type resin are selected for weight-reduction. The separate mandrels are disassembled and removed after filament winding. The manufacturing process of real payload kick motor is developed from the design experience of downscaled ones.
Keywords
motor case; filament winding; mandrel; composite material;
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