Hedgehog anti-submarine mortar

URI: https://gptkb.org/entity/Hedgehog_anti-submarine_mortar
GPTKB entity
Statements (31)
Predicate Object
gptkbp:instanceOf anti-submarine weapon
gptkbp:countryOfOrigin gptkb:United_Kingdom
gptkbp:developedBy gptkb:Royal_Navy
gptkbp:fireModes contact-fused projectiles
https://www.w3.org/2000/01/rdf-schema#label Hedgehog anti-submarine mortar
gptkbp:introducedIn 1942
gptkbp:nickname Hedgehog
gptkbp:notableFor increased kill probability over depth charges
detonated only on contact
first ahead-throwing anti-submarine weapon
gptkbp:notableProject 65 pounds
gptkbp:numberOfProjectilesPerSalvo 24
gptkbp:primaryUse anti-submarine warfare
gptkbp:projectileExplosiveCharge 35 pounds
gptkbp:projectilePattern circular
gptkbp:range 250 yards
gptkbp:replacedBy gptkb:Squid_anti-submarine_mortar
depth charge
gptkbp:type spigot mortar
gptkbp:usedBy gptkb:Free_French_Navy
gptkb:Royal_Navy
gptkb:United_States_Navy
gptkb:Royal_Australian_Navy
gptkb:Royal_Canadian_Navy
gptkbp:usedDuring gptkb:World_War_II
gptkbp:usedOn destroyers
frigates
corvettes
escort vessels
gptkbp:bfsParent gptkb:ship
gptkbp:bfsLayer 4