Gun Mounting Data QF 12-pounder 12 cwt naval gun

1 gun mounting data

1.1 second boer war (1899 - 1902) land service
1.2 coast defence gun
1.3 army anti-aircraft gun
1.4 united kingdom ammunition

gun mounting data



second boer war (1899 - 1902) land service

naval brigade long twelve in natal




elswick battery gun in south africa

the gun high-velocity naval gun, heavy recoil suiting static mountings, hence considered unsuitable use mobile field gun. exception made when british army outgunned boer artillery in south africa , royal navy called on help. among other guns, 16 qf 12-pounder 12 cwt landed warships , mounted on improvised field carriages designed captain percy scott rn, solid wooden trails , utilizing small-diameter cape wagon wheels. 10,000-yard (9,100 m) range provided valuable long-range fire support army throughout war. known long twelves distinguish them bl 12-pounder 6 cwt , qf 12-pounder 8 cwt had shorter barrels , ranges.

lieutenant burne reported original electric firing system, while working under ideal conditions, required support of armourer , maintenance , transport of charged batteries in field, not possible. reported switching percussion tubes firing , recommended percussion future field operations.

another 6 guns diverted japanese battleship being built @ newcastle in january 1900, bought lady meux , equipped proper field carriages elswick ordnance company in newcastle , sent south africa. perhaps uniquely, guns donated directly lord roberts, british commander in south africa , became personal property. known elswick battery , manned men elswick, recruited 1st northumberland royal garrison artillery (volunteers). elswick guns served throughout war.

coast defence gun

typical coast defence mounting, @ newhaven fort, uk

many guns mounted on pedestals secured ground defend harbours around uk, , @ many ports around empire, against possible attack small fast vessels such torpedo boats, until 1950s. there 103 of these guns (of total 383 of types) employed in coast defence around uk @ april 1918. many of these still in service in world war ii although had been superseded more modern types such twin qf 6 pounder 10 cwt mounts.

guns traversed (moved side side) manually gunlayer stood on left side arm hooked on shoulder piece aimed, while operated elevating handwheel left hand , grasped pistol grip trigger in right hand.

army anti-aircraft gun

in world war number of coast defence guns modified , mounted on special wheeled traveling carriages create marginally effective mobile anti-aircraft gun.

united kingdom ammunition

uk shells weighed 12.5 lb (5.67 kg) filled , fuzed.

the cordite propellant charge ignited electrically-activated primer (in base of cartridge case), power provided battery. electric primer in cartridge replaced adaptor allowed use of electric or percussion tube inserted provide ignition.