| 摘要 |
FIELD: engines and pumps. ^ SUBSTANCE: charge of booster engine of rocket grenade includes a bunch of thin-wall igniting fuzes attached to front bottom of engine and metallic punched tube located in channel of igniting bunch, electric squib is located inside the tube. Punched tube is filled with igniting composition consisting of two equal parts in the form of shallow and coarse fractions of powders of the same or different nature arranged in sequence inside igniting tube and separated by fixed gas-permeable partition. Electric squib is located near front bottom of engine in the centre of grouping of holes of tube punch. ^ EFFECT: increasing initial speed of rocket grenade, improving stability of ballistic characteristics of charge, reducing temperature difference of initial speed. ^ 2 cl, 4 dwg, 1 tbl |
