QF 4.7-inch Mk V naval gun

QF 4.7 inch Gun Mk V
On troopship SS Orca, March 1919
TypeNaval gun
Coast defence gun
Place of originUnited Kingdom
Japan
Service history
In service1900–1945
Used byBritish Empire
WarsWorld War I
World War II
Production history
DesignerElswick Ordnance
Designedca. 1895
VariantsMark V, Mark V*
Specifications
MassBarrel & breech 5,936 pounds (2,693 kg)[1]
Barrel length212.6 inches (5.40 m) (45 cal)[1]
ShellSeparate loading QF 45 pounds (20.41 kg) Common Pointed, Lyddite
Calibre4.724 inches (120 mm)
Breechsingle motion interrupted screw
Recoil8 inch[1]
Elevation-10° to +20°[2]
Rate of fireApprox. 8-10 rounds per minute[3]
Muzzle velocity2,350 feet per second (720 m/s)[4]
Maximum firing range16,500 yards (15,100 m)[1]

The QF 4.7 inch Gun Mark V originated as a 4.7 in (120 mm) 45-calibre naval gun designed by the Elswick Ordnance Company for export customers and known as the Pattern Y.[3]

  1. ^ a b c d Hogg & Thurston 1972, page 108.
  2. ^ Campbell, Naval Weapons of WWII, p.52.
  3. ^ a b DiGiulian
  4. ^ 2,350 ft/second, firing a 45 lb projectile, using 8 lb 10 oz Cordite MD size 16 propellant. Hogg & Thurston 1972, page 108