Edinburgh Castle cannon Mons Meg taken for revamp

The 6.6ton Mons Meg cannon is removed from Edinburgh Castle for restoration. Picture: Hemedia
The 6.6ton Mons Meg cannon is removed from Edinburgh Castle for restoration. Picture: Hemedia
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THE world’s most famous medieval gun has been removed from Edinburgh Castle for the first time in nearly 30 years to have an MOT.

The six tonne cannon, dubbed Mons Meg, was transported today for specialist restoration and conservation work.

Richard Welander, Head of Collections for Historic Scotland, said today: “Mons Meg undergoes regular “health checks” each year and is lifted off its carriage every five years for a closer inspection.

“This time it’s getting a major service, which means it must leave the castle for the first time for 30 years.

“The last time Mons Meg left was in March 1985, when she went to the Royal Armouries research establishment in Kent for a short technical examination.

“We’ll be using state-of-the-art equipment to examine the cannon and carriage inside and out, to assess their condition. Then we’ll commence with treatment and restoration, which is a delicate and specialist task.

“We’re hopeful that she’ll be back on display at the castle by late February.”

Although many people believe that Mons Meg fires the one o’clock gun salute at Edinburgh Castle, it is actually a modern military cannon fired each day - so visitors will still be able to hear the famous sound daily while restoration is underway.

Mons Meg was given to King James II by Duke Philip of Burgundy in 1457, and at the time was considered cutting edge military technology - capable of firing a 150kg gunstone for up to two miles.


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James II had Mons Meg hauled nearly 50 miles to besiege Roxburgh Castle in 1460. He was killed during the battle, when another of his cannon exploded.

His grandson James IV used Mons Meg to besiege Dumbarton Castle, then held by the rebellious Earl of Lennox, and to attack Norham Castle in northern England. She ended her fighting days in King James V’s navy and was taken out of military service in about 1550.

She was however still used to fire salutes until 1681 when her barrel burst.

After this she was dumped in the Middle Ward at Edinburgh Castle and remained there until 1754 when she was taken to the Tower of London as part of the Disarming Act, after the Jacobite Uprising.

She was returned to Edinburgh Castle in 1829 after a series of campaigns by Sir Walter Scott and the Society of Antiquaries of Scotland. She was brought by boat to Leith, then escorted by three troops of cavalry and a foot regiment, back to the castle

Over the next few weeks, the cannon will be closely assessed by conservators, including a laser scan and 3D examination.

The existing paintwork will be removed using a high pressure water system in combination with bead blasting.

The iron surface revealed will then be examined, cleaned and dried carefully, before being re-painted using a protective paint system by Historic Scotland painters.

The oak carriage that Mons Meg sits on will also undergo some conservation and repair works by Historic Scotland joiners. The carriage was built in 1934 and cost the Lord Provost of Edinburgh £178 at the time.

The Historic Scotland team will also use the time off site to uncover the truth behind some of Mons Meg’s mysteries.

Mr Welander added: “Obviously in the past we didn’t have the technology which we have today, so there are now a number of techniques that can be applied which could potentially reveal different aspects of Mons Meg’s story.

“This gives us the opportunity to gather and verify more evidence on Mons Meg’s past, which is an exciting prospect.”


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