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  5. Method of calculation of features of dispersion of non-guided revolving and winged jet-projectiles

Method of calculation of features of dispersion of non-guided revolving and winged jet-projectiles

V.I. Makeev, V.I. Grabсhak, P.E. Trofimenko, Y.I. Pushkarov
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There is offered the analytical method of dispersion features calculation basing on range, altitude and direction of both revolving and winged jet-projectiles (mines), which allows analytically, by the numeral methods of solution of system of differential equations on computer, depending on range of firing, charge, to calculate features of projectiles (mines) for different artillery systems, that allows to decrease considerably expenses on conducting of the experimental firings. The results of calculations of features of dispersion on the offered method for 152-mm SPG 2S5 and MLRS BM-21 are presented.
Keywords: revolving and winged jet-projectiles, coefficient of dispersion, range of firing, a casting angle, active and passive area of trajectory, ellipse of dispersion