University. It will be used for testing spacecraft components with dimensions up to 24 " x12 " x12 " as well as CubeSats. Additionally, it may be used as an instructional or demonstrational tool in the Aerospace Department's space environments course. The apparatus functions by way of mechanical impact of an approximately 20 lb stainless steel swinging hammer. Tests were performed to verify the...

The article presents a comparison of the influence price change components pyrotechnic compositions producing an acoustic effect on their manufacturing costs. analysis was based prices raw materials in 1981 and 2021. fluctuations individual final cost composites determined. impact changes profitability composition evaluated for adopted models. conducted economic allowed determination characteri...