30 mm- F7

Description

Single base seven perforated propellant cylindrical grain (6/7) contains Nitrocellulose (NC), Diphenylamine (DPA) and additives. It is glazed with graphite. This propellant is used in 30mm cartridges for aircraft gun (F7 warplane). TECHNICAL SPECIFICATIONSLength4.5 ± 0.3 mmHole diameter0.15 ± 0.05 mmInternal Web thickness0.5 ± 0.2 mmExternal Web thickness0.65 ± 0.15 mmDiphenylamine (DPA)1 – 2 %Moisture & volatile≤ 1.5 %Heat of explosion870 – 950 cal/grStability at 134.5 °C≥ 60 min BALLISTIC SPECIFICATIONSTotal charge~ 70 grAverage Velocity (HEI)790 ± 10 m/sStd. dev. of velocity≤ 10 m/sAverage Pressure× at +21°C≤ 2650 barPressure of single round at 21°C, +71°C and -33°C≤ 3000 bar