Abstract
A pressure-measuring device called the electronic crusher gauge is
described. The volume of the gauge is small enough (38 cm3)
that it can be placed in the powder chamber of large- or medium-caliber
guns, with chamber volume not less than 4 dm3. The gauge is
characterized by digital data recorded with a sampling frequency from
0.1 to 100 kHz and directly transmitted under PC control. The measuring
principles and construction features of this gauge are detailed, a bore
pressure curve for a certain type of gun is given, and the results are
compared with those measured by a conventional copper crusher
gauge
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