Assertion: depth charge's pound | /r/HasProperty | 4,200 kg
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text: In the operational version of Upkeep, known by its manufacturer as "Vickers Type 464", the explosive charge was Torpex, originally designed for use as a torpedo explosive, to provide a longer explosive pulse for greater effect against underwater targets; the principal means of detonation was by three hydrostatic pistols, as used in depth charges, set to fire at a depth of 30 feet (9 m); and its overall weight was 9,250 pounds (4,200 kg), of which 6,600 pounds (3,000 kg) was Torpex.