Abstract
A mathematical model of the gas-delayed blowback operation firearm action is presented in the paper. Mathematical equations and relations describing the action of this automatic weapon system are shown. Results of theoretical calculations are analyzed from the point of view of the influence of system (weapon) parameters (factors) on braking the recoiling assembly movement. In the analysis of computer simulation results, the design of experimental methods are used. The significance of the effects of individual parameters on output characteristics are estimated. This enables us to eliminate insignificant parameters and to assess the character of the dependence on significant parameters. The obtained results serve as a basis for the design of a new laboratory stand and for planning experiments which significantly reduce the time and cost of experimental tests. The stand will be used for a detailed verification and validation of the proposed model.
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