FIELD: weapons and ammunition.
SUBSTANCE: shell comprises a casing, a front section, a warhead and a rear compartment with a device to increase range ability. The device for increasing range ability comprises an accumulating tank and a throttling device. The device for increasing range ability is equipped with a support corrugate disc and a radially corrugate membrane. Radial corrugations of the membrane and appropriate corrugations in the support disc are arranged with alternate depth proportional to the ratio between the diameter of the axis of symmetry of this corrugation and the average diameter of the corrugate part. Geometric dimensions of corrugations are related according to the following dependence: 
where hi - depth of i corrugation, K - coefficient that characterising the permissible plastic deformation of the membrane material, r - radius of membrane ends rounding, Di - diameter of the axis of symmetry of i corrugation, Dav - the average diameter of the corrugated part of the membrane, i - order number of the corrugation, counting from the membrane centre.
EFFECT: increase of shell flying range.
3 dwg
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