| 摘要 |
FIELD: weapons and ammunition.SUBSTANCE: charge consists of spherically grained propellant located in the case with bullet. The charge is made of powder elements consisting of mixture 60?80 wt % of pyroxyline with nitrogen oxide content 212.5?213.5 ml NO/g and 20?40 wt % pyroxyline with nitrogen oxide content 209.0?210.5 ml NO/g, 0.4?0.8 wt % of diphenylamine, 0.3?0.7 wt % of carbon and graphite, 0.2?1.0 wt % of ethyl acetate, 0.3?0.9 wt % of moisture, with bulk density 0.64?0.74 kg/dm, with the following fractions ratio, wt %: 0.2?0.4 - not less than 92, more than 0.4 and less than 0.2 - not more than 8.EFFECT: increasing bullet flight speed.1 tbl, 1 dwg |
