Castle Cannon Day
December 24, 2010
Bloemendal Cannon
June 19, 2013

Simonstown 9-inch cannon

By: Gerrie de Vries, 5 March 2011
Print Form
On 16 March 2011 the Simonstown Middle North Battery 9-incg RML gun will be fired for the first time in 108-years. (See events calendar for details of event and directions).

A bit of history and specifications:



  • Manufactured at the Royal Gun Factory, Woolwich, in 1865.
  • 9 inch Mk 1 serial number 22 weight 12,5 tons.
  • Range 6,000 yards at 13 degrees of elevation with a charge of 45 lbs of very large grain powder.
  • Projectile weight 256 lb muzzle velocity 1,44
  • Deployed in Halifax 1866 – 1878.
  • Moved to Bermuda in 1878 until 1881
  • Before being shipped to Bermuda, the gun was modified especially for ships of the "Shah" class.
  • Used at Sheerness proving range 1881 – 1885. By 10/02/1885 the gun had fired 25 full rounds, 78 reduced rounds and 1 blank, returned.
  • Moved to Simon’s Town in 1896 – still in its original position.
  • By 13/02/1896 the gun was mounted at "Upper North Battery", first fired in 1896, 27 full rounds and 1 reduced round
  • Fired in 1897, 38 full rounds, 8 blanks. (In September, 29 full rounds)
  • Fired in 1898, 20 full rounds and 3 blanks.
  • Fired in 1899, 26 full rounds and 7 blanks
  • Last fired 27/04/1903, 3 full rounds.
  • Struck off charge on the 19/09/1906.
  • In 1983/84 the gun was restored by the Gun Shop, Dock Yard Simons Town
  • Fired 257 lb Palliser shot with a 50 lb powder charge, (first shot was with 33 lb in 1896)

For more information on COVID-19 and government regulation: Click here